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Results 1 - 90 of 90

CAPOS: The bulge Cluster APOgee Survey IV. Elemental Abundances of the bulge globular cluster NGC 6558. (arXiv:2310.13054v1 [astro-ph.GA])
- Virtual Journal - Volume 21, Issue 41 - article #4
- Danilo González-Díaz, José, G. Fernández-Trincado, Sandro Villanova, Doug Geisler, Beatriz Barbuy, Dante Minniti, Timothy C. Beers, Christian Moni Bidin, Francesco Mauro, Cesar Muñoz, Baitian Tang, Mario Soto, Antonela Monachesi, Richard R. Lane, Heinz Frelijj
- http://arxiv.org/abs/2310.13054
Very Metal-poor Stars in the Solar Vicinity: Age Determination
- Virtual Journal - Volume 20, Issue 47 - article #17
- Anastasiia Plotnikova, Giovanni Carraro, Sandro Villanova, Sergio Ortolani
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ac9cd7
APOGEE-2S Mg-Al anti-correlation of the Metal-Poor Globular Cluster NGC 2298. (arXiv:2204.09703v1 [astro-ph.GA])
- Virtual Journal - Volume 20, Issue 16 - article #1
- Ian Baeza, José, G. Fernández-Trincado, Sandro Villanova, Doug Geisler, Dante Minniti, Elisa R. Garro, Beatriz Barbuy, Timothy C. Beers, Richard R. Lane
- http://arxiv.org/abs/2204.09703
Exploring the s-process history in the Galactic disk: Cerium abundances and gradients in Open Clusters from the OCCAM/APOGEE sample. (arXiv:2112.02196v1 [astro-ph.GA])
- Virtual Journal - Volume 19, Issue 50 - article #2
- J. V. Sales-Silva, S. Daflon, K. Cunha, D. Souto, V. V. Smith, C. Chiappini, J. Donor, P. M. Frinchaboy, D. A. García-Hernández, C. Hayes, S. R. Majewski, T. Masseron, R. P. Schiavon, D. H. Weinberg, R. L. Beaton, J. G. Fernández-Trincado, H. Jönsson, R. R. Lane, D. Minniti, A. Manchado, C. Moni Bidin, C. Nitschelm, J. O'Connor, S. Villanova
- http://arxiv.org/abs/2112.02196
APOGEE-2 Discovery of a Large Population of Relatively High-Metallicity Globular Cluster Debris. (arXiv:2109.02669v1 [astro-ph.GA])
- Virtual Journal - Volume 19, Issue 37 - article #3
- José, G. Fernández-Trincado, Timothy C. Beers, Anna. B. A. Queiroz, Cristina Chiappini, Dante Minniti, Beatriz Barbuy, Steven R. Majewski, Mario Ortigoza-Urdaneta, Christian Moni Bidin, Annie C. Robin, Edmundo Moreno, Leonardo Chaves-Velasquez, Sandro Villanova, Richard R. Lane, Kaike Pan, Dmitry Bizyaev
- http://arxiv.org/abs/2109.02669
APOGEE-2S Discovery of Light- and Heavy-Element Abundance Correlations in the Bulge Globular Cluster NGC 6380. (arXiv:2109.02661v1 [astro-ph.GA])
- Virtual Journal - Volume 19, Issue 37 - article #4
- José, G. Fernández-Trincado, Timothy C. Beers, Beatriz Barbuy, Szabolcs Mészáros, Dante Minniti, Verne V. Smith, Katia Cunha, Sandro Villanova, Doug Geisler, Steven R. Majewski, Leticia Carigi, Baitian Tang, Christian Moni Bidin, Katherine Vieira
- http://arxiv.org/abs/2109.02661
Aluminum Enhanced Metal-Poor Stars buried in the Inner Galaxy. (arXiv:2010.01135v1 [astro-ph.GA])
- Virtual Journal - Volume 18, Issue 41 - article #1
- José, G. Fernández-Trincado, Timothy C. Beers, Dante Minniti, Baitian Tang, Sandro Villanova, Doug Geisler, Angeles Pérez-Villegas, Katherine Vieira
- http://arxiv.org/abs/2010.01135
The discovery of anomalously high levels of [Si/Fe] among metal-poor giants in the bulge, disk, and halo of the Milky Way. (arXiv:1904.05884v1 [astro-ph.GA])
- Virtual Journal - Volume 17, Issue 16 - article #9
- José, G. Fernández-Trincado, Timothy C. Beers, Vinicius M. Placco, Sarah L. Martell, Edmundo Moreno, Baitian Tang, Alan Alves-Brito, Sandro Villanova, Mario Ortigoza-Urdaneta, Dante Minniti, Angeles Pérez-Villegas, Céline Reylé, Annie C. Robin
- http://arxiv.org/abs/1904.05884
Chemical evolution of the metal poor Globular Cluster NGC 6809. (arXiv:1811.12457v1 [astro-ph.SR])
- Virtual Journal - Volume 16, Issue 49 - article #4
- M.J. Rain, S. Villanova, C. Muñoz, C. Valenzuela-Calderon
- http://arxiv.org/abs/1811.12457
A Chemical and Kinematical Analysis of the Intermediate-age Open Cluster IC 166 from APOGEE and Gaia DR2
- Virtual Journal - Volume 16, Issue 33 - article #1
- J. Schiappacasse-Ulloa, B. Tang, J. G. FernÃƒÂ¡ndez-Trincado, O. Zamora, D. Geisler, P. Frinchaboy, M. Schultheis, F. DellÃ¢Â€Â™Agli, S. Villanova, T. Masseron, Sz. MÃƒÂ©szÃƒÂ¡ros, D. Souto, S. Hasselquist, K. Cunha, V. V. Smith, D. A. GarcÃƒÂa-HernÃƒÂ¡ndez, K. Vieira, A. C. Robin, D. Minniti, G. Zasowski, E. Moreno, A. PÃƒÂ©rez-Villegas, R. R. Lane, I. I. Ivans, K. Pan, C. Nitschelm, F. A. Santana, R. Carrera,, A. Roman-Lopes
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/156/3/94
Lithium abundance in lower red giant branch stars of Omega Centauri. (arXiv:1807.07582v1 [astro-ph.SR])
- Virtual Journal - Volume 16, Issue 30 - article #8
- A. Mucciarelli, M. Salaris, L. Monaco, P. Bonifacio, X. Fu, S. Villanova
- http://arxiv.org/abs/1807.07582
Chemical abundance analysis of red giant branch stars in the globular cluster E3. (arXiv:1806.03327v1 [astro-ph.SR])
- Virtual Journal - Volume 16, Issue 24 - article #2
- L. Monaco, S. Villanova, G. Carraro, A. Mucciarelli, C. Moni Bidin
- http://arxiv.org/abs/1806.03327
Chemical Abundances of Main-sequence, Turnoff, Subgiant, and Red Giant Stars from APOGEE Spectra. I. Signatures of Diffusion in the Open Cluster M67
- Virtual Journal - Volume 16, Issue 15 - article #31
- Diogo Souto, Katia Cunha, Verne V. Smith, C. Allende Prieto, D. A. GarcÃƒÂa-HernÃƒÂ¡ndez, Marc Pinsonneault, Parker Holzer, Peter Frinchaboy, Jon Holtzman, J. A. Johnson, Henrik JÃƒÂ¶nsson, Steven R. Majewski, Matthew Shetrone, Jennifer Sobeck, Guy Stringfellow, Johanna Teske, Olga Zamora, Gail Zasowski, Ricardo Carrera, Keivan Stassun, J. G. Fernandez-Trincado, Sandro Villanova, Dante Minniti,, Felipe Santana
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/857/1/14
Ages and Heavy Element Abundances from Very Metal-poor Stars in the Sagittarius Dwarf Galaxy
- Virtual Journal - Volume 16, Issue 11 - article #27
- Camilla Juul Hansen, Mariam El-Souri, Lorenzo Monaco, Sandro Villanova, Piercarlo Bonifacio, Elisabetta Caffau,, Luca Sbordone
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/855/2/83
12C/13C isotopic ratios in red-giant stars of the open cluster NGC 6791. (arXiv:1711.08183v1 [astro-ph.SR])
- Virtual Journal - Volume 15, Issue 47 - article #1
- László, Szigeti, Szabolcs Mészáros, Verne V. Smith, Katia Cunha, Nadège Lagarde, Corinne Charbonnel, Matthew Shetrone, Marc Pinsonneault, Carlos Allende Prieto, J. G. Fernández-Trincado, József Kovács, Sandro Villanova
- http://arxiv.org/abs/1711.08183
Ages and heavy element abundances from very metal-poor stars in the Sagittarius dwarf galaxy. (arXiv:1711.02101v1 [astro-ph.SR])
- Virtual Journal - Volume 15, Issue 45 - article #3
- Camilla Juul Hansen, Mariam El-Souri, Lorenzo Monaco, Sandro Villanova, Piercarlo Bonifacio, Elisabetta Caffau, Luca Sbordone
- http://arxiv.org/abs/1711.02101
Chemical Study of the Metal-rich Globular Cluster NGC 5927. (arXiv:1711.03176v1 [astro-ph.SR])
- Virtual Journal - Volume 15, Issue 45 - article #6
- A. Mura-Guzmán, S. Villanova, C. Muñoz, B. Tang
- http://arxiv.org/abs/1711.03176
Abundance anomalies in red giants with possible extragalactic origins unveiled by APOGEE-2. (arXiv:1710.07433v1 [astro-ph.GA])
- Virtual Journal - Volume 15, Issue 43 - article #1
- J. G. Fernández-Trincado, D. Geisler, E. Moreno, O. Zamora, A. C. Robin, S. Villanova
- http://arxiv.org/abs/1710.07433
Atypical Mg-poor Milky Way Field Stars with Globular Cluster Second-generation-like Chemical Patterns
- Virtual Journal - Volume 15, Issue 34 - article #34
- J. G. FernÃƒÂ¡ndez-Trincado, O. Zamora, D. A. GarcÃƒÂa-HernÃƒÂ¡ndez, Diogo Souto, F. DellÃ¢Â€Â™Agli, R. P. Schiavon, D. Geisler, B. Tang, S. Villanova, Sten Hasselquist, R. E. Mennickent, Katia Cunha, M. Shetrone, Carlos Allende Prieto, K. Vieira, G. Zasowski, J. Sobeck, C. R. Hayes, S. R. Majewski, V. M. Placco, T. C. Beers, D. R. G. Schleicher, A. C. Robin, Sz. MÃƒÂ©szÃƒÂ¡ros, T. Masseron, Ana E. GarcÃƒÂa PÃƒÂ©rez, F. Anders, A. Meza, A. Alves-Brito, R. Carrera, D. Minniti, R. R. Lane, E. FernÃƒÂ¡ndez-Alvar, E. Moreno, B. Pichardo, A. PÃƒÂ©rez-Villegas, M. Schultheis, A. Roman-Lopes, C. E. Fuentes, C. Nitschelm, P. Harding, D. Bizyaev, K. Pan, D. Oravetz, A. Simmons, Inese I. Ivans, S. Blanco-Cuaresma, J. HernÃƒÂ¡ndez, J. Alonso-GarcÃƒÂa, O. Valenzuela,, J. ChanamÃƒÂ©
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/846/1/L2
APOGEE Chemical Abundances of the Sagittarius Dwarf Galaxy. (arXiv:1707.03456v1 [astro-ph.GA])
- Virtual Journal - Volume 15, Issue 28 - article #2
- Sten Hasselquist, Matthew Shetrone, Verne Smith, Jon Holtzman, Andrew McWilliam, J. G. Fernández-Trincado, Timothy C. Beers, Steven R. Majewski, David L. Nidever, Baitian Tang, Patricia B. Tissera, Emma Fernández Alvar, Carlos Allende Prieto, Andres Almeida, Borja Anguiano, Giuseppina Battaglia, Leticia Carigi, Gloria Delgado Inglada, Peter Frinchaboy, D. A. García-Hernández, Doug Geisler, Dante Minniti, Vinicius M. Placco, Mathias Schultheis, Jennifer Sobeck, Sandro Villanova
- http://arxiv.org/abs/1707.03456
Atypical Mg-poor Milky Way field stars with globular cluster second-generation like chemical patterns. (arXiv:1707.03108v1 [astro-ph.GA])
- Virtual Journal - Volume 15, Issue 28 - article #3
- J. G. Fernández-Trincado, O. Zamora, D. A. Garcia-Hernandez, Diogo Souto, F. Dell'Agli, R. P. Schiavon, D. Geisler, B. Tang, S. Villanova, Sten Hasselquist, R. E. Mennickent, Katia Cunha, M. Shetrone, Carlos Allende Prieto, K. Vieira, G. Zasowski, J. Sobeck, C. R. Hayes, S. R. Majewski, V. M. Placco, T. C. Beers, D. R. G. Schleicher, A. C. Robin, Sz. Meszaros, T. Masseron, Ana E. Garcia Perez, F. Anders, A. Meza, A. Alves-Brito, R. Carrera, D. Minniti, R. R. Lane, E. Fernandez-Alvar, E. Moreno, B. Pichardo, A. Perez-Villegas, M. Schultheis, A. Roman-Lopes, C. E. Fuentes, C. Nitschelm, P. Harding, D. Bizyaev, K. Pan, D. Oravetz, A. Simmons, Inese I. Ivans, S. Blanco-Cuaresma, J. Hernandez, J. Alonso-Garcia, O. Valenzuela, J. Chaname
- http://arxiv.org/abs/1707.03108
Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe
- Virtual Journal - Volume 15, Issue 26 - article #17
- Michael R. Blanton, Matthew A. Bershady, Bela Abolfathi, Franco D. Albareti, Carlos Allende Prieto, Andres Almeida, Javier Alonso-GarcÃƒÂa, Friedrich Anders, Scott F. Anderson, Brett Andrews, Erik Aquino-OrtÃƒÂz, Alfonso AragÃƒÂ³n-Salamanca, Maria Argudo-FernÃƒÂ¡ndez, Eric Armengaud, Eric Aubourg, Vladimir Avila-Reese, Carles Badenes, Stephen Bailey, Kathleen A. Barger, Jorge Barrera-Ballesteros, Curtis Bartosz, Dominic Bates, Falk Baumgarten, Julian Bautista, Rachael Beaton, Timothy C. Beers, Francesco Belfiore, Chad F. Bender, Andreas A. Berlind, Mariangela Bernardi, Florian Beutler, Jonathan C. Bird, Dmitry Bizyaev, Guillermo A. Blanc, Michael Blomqvist, Adam S. Bolton, MÃƒÂ©dÃƒÂ©ric Boquien, Jura Borissova, Remco van den Bosch, Jo Bovy, William N. Brandt, Jonathan Brinkmann, Joel R. Brownstein, Kevin Bundy, Adam J. Burgasser, Etienne Burtin, NicolÃƒÂ¡s G. Busca, Michele Cappellari, Maria Leticia Delgado Carigi, Joleen K. Carlberg, Aurelio Carnero Rosell, Ricardo Carrera, Nancy J. Chanover, Brian Cherinka, Edmond Cheung, Yilen GÃƒÂ³mez Maqueo Chew, Cristina Chiappini, Peter Doohyun Choi, Drew Chojnowski, Chia-Hsun Chuang, Haeun Chung, Rafael Fernando Cirolini, Nicolas Clerc, Roger E. Cohen, Johan Comparat, Luiz da Costa, Marie-Claude Cousinou, Kevin Covey, Jeffrey D. Crane, Rupert A. C. Croft, Irene Cruz-Gonzalez, Daniel Garrido Cuadra, Katia Cunha, Guillermo J. Damke, Jeremy Darling, Roger Davies, Kyle Dawson, Axel de la Macorra, Flavia DellÃ¢Â€Â™Agli, Nathan De Lee, TimothÃƒÂ©e Delubac, Francesco Di Mille, Aleks Diamond-Stanic, Mariana Cano-DÃƒÂaz, John Donor, Juan JosÃƒÂ© Downes, Niv Drory, HÃƒÂ©lion du Mas des Bourboux, Christopher J. Duckworth, Tom Dwelly, Jamie Dyer, Garrett Ebelke, Arthur D. Eigenbrot, Daniel J. Eisenstein, Eric Emsellem, Mike Eracleous, Stephanie Escoffier, Michael L. Evans, Xiaohui Fan, Emma FernÃƒÂ¡ndez-Alvar, J. G. Fernandez-Trincado, Diane K. Feuillet, Alexis Finoguenov, Scott W. Fleming, Andreu Font-Ribera, Alexander Fredrickson, Gordon Freischlad, Peter M. Frinchaboy, Carla E. Fuentes, LluÃƒÂs Galbany, R. Garcia-Dias, D. A. GarcÃƒÂa-HernÃƒÂ¡ndez, Patrick Gaulme, Doug Geisler, Joseph D. Gelfand, HÃƒÂ©ctor Gil-MarÃƒÂn, Bruce A. Gillespie, Daniel Goddard, Violeta Gonzalez-Perez, Kathleen Grabowski, Paul J. Green, Catherine J. Grier, James E. Gunn, Hong Guo, Julien Guy, Alex Hagen, ChangHoon Hahn, Matthew Hall, Paul Harding, Sten Hasselquist, Suzanne L. Hawley, Fred Hearty, Jonay I. Gonzalez HernÃƒÂ¡ndez, Shirley Ho, David W. Hogg, Kelly Holley-Bockelmann, Jon A. Holtzman, Parker H. Holzer, Joseph Huehnerhoff, Timothy A. Hutchinson, Ho Seong Hwang, HÃƒÂ©ctor J. Ibarra-Medel, Gabriele da Silva Ilha, Inese I. Ivans, KeShawn Ivory, Kelly Jackson, Trey W. Jensen, Jennifer A. Johnson, Amy Jones, Henrik JÃƒÂ¶nsson, Eric Jullo, Vikrant Kamble, Karen Kinemuchi, David Kirkby, Francisco-Shu Kitaura, Mark Klaene, Gillian R. Knapp, Jean-Paul Kneib, Juna A. Kollmeier, Ivan Lacerna, Richard R. Lane, Dustin Lang, David R. Law, Daniel Lazarz, Youngbae Lee, Jean-Marc Le Goff, Fu-Heng Liang, Cheng Li, Hongyu Li, Jianhui Lian, Marcos Lima, Lihwai Lin, Yen-Ting Lin, Sara Bertran de Lis, Chao Liu, Miguel Angel C. de Icaza Lizaola, Dan Long, Sara Lucatello, Britt Lundgren, Nicholas K. MacDonald, Alice Deconto Machado, Chelsea L. MacLeod, Suvrath Mahadevan, Marcio Antonio Geimba Maia, Roberto Maiolino, Steven R. Majewski, Elena Malanushenko, Viktor Malanushenko, Arturo Manchado, Shude Mao, Claudia Maraston, Rui Marques-Chaves, Thomas Masseron, Karen L. Masters, Cameron K. McBride, Richard M. McDermid, Brianne McGrath, Ian D. McGreer, NicolÃƒÂ¡s Medina PeÃƒÂ±a, Matthew Melendez, Andrea Merloni, Michael R. Merrifield, Szabolcs Meszaros, Andres Meza, Ivan Minchev, Dante Minniti, Takamitsu Miyaji, Surhud More, John Mulchaey, Francisco MÃƒÂ¼ller-SÃƒÂ¡nchez, Demitri Muna, Ricardo R. Munoz, Adam D. Myers, Preethi Nair, Kirpal Nandra, Janaina Correa do Nascimento, Alenka Negrete, Melissa Ness, Jeffrey A. Newman, Robert C. Nichol, David L. Nidever, Christian Nitschelm, Pierros Ntelis, Julia E. OÃ¢Â€Â™Connell, Ryan J. Oelkers, Audrey Oravetz, Daniel Oravetz, Zach Pace, Nelson Padilla, Nathalie Palanque-Delabrouille, Pedro Alonso Palicio, Kaike Pan, John K. Parejko, Taniya Parikh, Isabelle PÃƒÂ¢ris, Changbom Park, Alim Y. Patten, Sebastien Peirani, Marcos Pellejero-Ibanez, Samantha Penny, Will J. Percival, Ismael Perez-Fournon, Patrick Petitjean, Matthew M. Pieri, Marc Pinsonneault, Alice Pisani, RadosÃ…Â‚aw Poleski, Francisco Prada, Abhishek Prakash, Anna BÃƒÂ¡rbara de Andrade Queiroz, M. Jordan Raddick, Anand Raichoor, Sandro Barboza Rembold, Hannah Richstein, Rogemar A. Riffel, RogÃƒÂ©rio Riffel, Hans-Walter Rix, Annie C. Robin, Constance M. Rockosi, Sergio RodrÃƒÂguez-Torres, A. Roman-Lopes, Carlos RomÃƒÂ¡n-ZÃƒÂºÃƒÂ±iga, Margarita Rosado, Ashley J. Ross, Graziano Rossi, John Ruan, Rossana Ruggeri, Eli S. Rykoff, Salvador Salazar-Albornoz, Mara Salvato, Ariel G. SÃƒÂ¡nchez, D. S. Aguado, JosÃƒÂ© R. SÃƒÂ¡nchez-Gallego, Felipe A. Santana, BasÃƒÂlio Xavier Santiago, Conor Sayres, Ricardo P. Schiavon, Jaderson da Silva Schimoia, Edward F. Schlafly, David J. Schlegel, Donald P. Schneider, Mathias Schultheis, William J. Schuster, Axel Schwope, Hee-Jong Seo, Zhengyi Shao, Shiyin Shen, Matthew Shetrone, Michael Shull, Joshua D. Simon, Danielle Skinner, M. F. Skrutskie, AnÃ…Â¾e Slosar, Verne V. Smith, Jennifer S. Sobeck, Flavia Sobreira, Garrett Somers, Diogo Souto, David V. Stark, Keivan Stassun, Fritz Stauffer, Matthias Steinmetz, Thaisa Storchi-Bergmann, Alina Streblyanska, Guy S. Stringfellow, Genaro SuÃƒÂ¡rez, Jing Sun, Nao Suzuki, Laszlo Szigeti, Manuchehr Taghizadeh-Popp, Baitian Tang, Charling Tao, Jamie Tayar, Mita Tembe, Johanna Teske, Aniruddha R. Thakar, Daniel Thomas, Benjamin A. Thompson, Jeremy L. Tinker, Patricia Tissera, Rita Tojeiro, Hector Hernandez Toledo, Sylvain de la Torre, Christy Tremonti, Nicholas W. Troup, Octavio Valenzuela, Inma Martinez Valpuesta, Jaime Vargas-GonzÃƒÂ¡lez, Mariana Vargas-MagaÃƒÂ±a, Jose Alberto Vazquez, Sandro Villanova, M. Vivek, Nicole Vogt, David Wake, Rene Walterbos, Yuting Wang, Benjamin Alan Weaver, Anne-Marie Weijmans, David H. Weinberg, Kyle B. Westfall, David G. Whelan, Vivienne Wild, John Wilson, W. M. Wood-Vasey, Dominika Wylezalek, Ting Xiao, Renbin Yan, Meng Yang, Jason E. Ybarra, Christophe YÃƒÂ¨che, Nadia Zakamska, Olga Zamora, Pauline Zarrouk, Gail Zasowski, Kai Zhang, Gong-Bo Zhao, Zheng Zheng, Zheng Zheng, Xu Zhou, Zhi-Min Zhou, Guangtun B. Zhu, Manuela Zoccali,, Hu Zou
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/154/1/28
The peculiar Na-O anticorrelation of the bulge globular cluster NGC 6440. (arXiv:1705.02684v1 [astro-ph.SR])
- Virtual Journal - Volume 15, Issue 19 - article #11
- C. Muñoz, S. Villanova, D. Geisler, I. Saviane, B. Dias, R.E. Cohen, F. Mauro
- http://arxiv.org/abs/1705.02684
Baade's window with APOGEE: Metallicities, ages and chemical abundances. (arXiv:1702.01547v1 [astro-ph.GA])
- Virtual Journal - Volume 15, Issue 6 - article #2
- M. Schultheis, A. Rojas-Arriagada, A. E. García Pérez, H. Jönsson, M. Hayden, G. Nandakumar, K. Cunha, C. Allende Prieto, J.A. Holtzman, T.C. Beers, D. Bizyaev, J. Brinkmann, R. Carrera, R.E. Cohen, D. Geisler, F.R. Hearty, J.G. Fernández-Trincado, C. Maraston, D. Minniti, C. Nitschelm, A. Roman-Lopes, D.P. Schneider, B. Tang, S. Villanova, G. Zasowski, S.R. Majewski
- http://arxiv.org/abs/1702.01547
Identification of Neodymium in the Apogee H-Band Spectra
- Virtual Journal - Volume 14, Issue 50 - article #20
- Sten Hasselquist, Matthew Shetrone, Katia Cunha, Verne V. Smith, Jon Holtzman, J. E. Lawler, Carlos Allende Prieto, Timothy C. Beers, Drew Chojnowski, J. G. FernÃƒÂ¡ndez-Trincado, D. A. GarcÃƒÂa-HernÃƒÂ¡ndez, Fred R. Hearty, Steven R. Majewski, C. B. Pereira, Vinicius M. Placco, Sandro Villanova,, Olga Zamora
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/833/1/81
Ultra-deep GEMINI Near-infrared Observations of the Bulge Globular Cluster NGC 6624.
- Virtual Journal - Volume 14, Issue 47 - article #26
- S. Saracino, E. Dalessandro, F. R. Ferraro, D. Geisler, F. Mauro, B. Lanzoni, L. Origlia, P. Miocchi, R. E. Cohen, S. Villanova,, C. Moni Bidin
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/832/1/48
APOGEE Chemical Abundances of Globular Cluster Giants in the Inner Galaxy. (arXiv:1611.03086v1 [astro-ph.GA])
- Virtual Journal - Volume 14, Issue 46 - article #2
- Ricardo P. Schiavon, Jennifer A. Johnson, Peter M. Frinchaboy, Gail Zasowski, Szabolcs Meszaros, D. A. Garcia-Hernandez, Roger E. Cohen, Baitian Tang, Sandro Villanova, Douglas Geisler, Timothy C. Beers, J. G. Fernandez-Trincado, Ana E. Garcia Perez, Sara Lucatello, Steven R. Majewski, Sarah L. Martell, Robert W. O'Connell, Carlos Allende Prieto, Dmitry Bizyaev, Ricardo Carrera, Richard R. Lane, Elena Malanushenko, Viktor Malanushenko, Ricardo R. Munoz, Christian Nitschelm, Daniel Oravetz, Kaike Pan, Alexandre Roman-Lopes, Matthias Schultheis, Audrey Simmons
- http://arxiv.org/abs/1611.03086
A spectroscopic study of the globular cluster M28 (NGC 6626)
- Virtual Journal - Volume 14, Issue 46 - article #24
- Villanova, S., Moni Bidin, C., Mauro, F., Munoz, C., Monaco, L.
- >Oxford University Press
- http://mnras.oxfordjournals.org/cgi/content/short/464/3/2730?rss=1
Two Groups of Red Giants with Distinct Chemical Abundances in the Bulge Globular Cluster NGC 6553 Through the Eyes of APOGEE. (arXiv:1610.06763v1 [astro-ph.GA])
- Virtual Journal - Volume 14, Issue 44 - article #15
- Baitian Tang, Roger E. Cohen, Doug Geisler, Ricardo Schiavon, Steven R. Majewski, Sandro Villanova, Ricardo Carrera, Olga Zamora, D. A. Garcia-Hernandez, Matthew Shetrone, Peter Frinchaboy, Andres Meza, J. G. Fernández-Trincado, Ricardo R. Muñoz, Chien-Cheng Lin, Richard R. Lane, Christian Nitschelm, Kaike Pan, Dmitry Bizyaev, Daniel Oravetz, Audrey Simmons
- http://arxiv.org/abs/1610.06763
Chemical Abundances in a Sample of Red Giants in the Open Cluster NGC 2420 from APOGEE
- Virtual Journal - Volume 14, Issue 42 - article #28
- Diogo Souto, K. Cunha, V. Smith, C. Allende Prieto, M. Pinsonneault, O. Zamora, D. A. GarcÃƒÂa-HernÃƒÂ¡ndez, Sz. MÃƒÂ©szÃƒÂ¡ros, J. Bovy, A. E. GarcÃƒÂa PÃƒÂ©rez, F. Anders, D. Bizyaev, R. Carrera, P. M. Frinchaboy, J. Holtzman, I. Ivans, S. R. Majewski, M. Shetrone, J. Sobeck, K. Pan, B. Tang, S. Villanova,, D. Geisler
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/830/1/35
Abundances in a sample of turnoff and subgiant stars in NGC 6121 (M4). (arXiv:1608.03541v1 [astro-ph.SR])
- Virtual Journal - Volume 14, Issue 33 - article #1
- Monique Spite, Francois Spite, Andrew J. Gallagher, Lorenzo Monaco, Piercarlo Bonifacio, Elisabetta Caffau, Sandro Villanova
- http://arxiv.org/abs/1608.03541
The Gaia-ESO Survey: Insights on the inner-disc evolution from open clusters
- Virtual Journal - Volume 13, Issue 20 - article #17
- L. Magrini, S. Randich, P. Donati, A. Bragaglia, V. Adibekyan, D. Romano, R. Smiljanic, S. Blanco-Cuaresma, G. Tautvaisiene, E. Friel, J. Overbeek, H. Jacobson, T. Cantat-Gaudin, A. Vallenari, R. Sordo, E. Pancino, D. Geisler, I. San Roman, S. Villanova, A. Casey, A. Hourihane, C. C. Worley, P. Francois, G. Gilmore, T. Bensby, E. Flaccomio, A. J. Korn, A. Recio-Blanco, G. Carraro, M. T. Costado, E. Franciosini, U. Heiter, P. Jofree, C. Lardo, P. de Laverny, L. Monaco, L. Morbidelli, G. Sacco, S. G. Sousa, S. Zaggia
- arXiv.org - Astrophysics - Volume: 2015, Issue: 22 May
- arXiv:1505.04039 [pdf, other]
Chemical abundances of giant stars in NGC 5053 and NGC 5634, two globular clusters associated with the Sagittarius dwarf Spheroidal galaxy?
- Virtual Journal - Volume 13, Issue 18 - article #4
- L. Sbordone (1,2), L. Monaco (3,4), C. Moni Bidin (5), P. Bonifacio (6), S. Villanova (7), M. Bellazzini (8), R. Ibata (9), M. Chiba (10), D. Geisler (7), E. Caffau (6), S. Duffau (1,2) ((1) Millennium Institute for Astrophysics, Chile, (2) Pontificia Universidad Catolica de Chile, Santiago, Chile, (3) European Southern Observatory, Santiago, Chile, (4) Departamento de Ciencias Fisicas, Universidad Andres Bello, Santiago, Chile, (5) Instituto de Astronomia, Universidad Catolica del Norte, Antofagasta, Chile (6) GEPI, Observatoire de Paris, PSL Resarch University, CNRS, Univ. Paris Diderot, Sorbonne Paris Cite, Meudon, France, (7) Departamento de Astronomia, Universidad de Concepcion, Concepcion, Chile, (8) INAF-Osservatorio Astronomico di Bologna, Bologna, Italy, (9) Observatoire Astronomique de Strasbourg, Universite de Strasbourg, CNRS, Strasbourg, France, (10) Astronomical Institute, Tohoku University, Sendai, Japan)
- arXiv.org - Astrophysics - Volume: 2015, Issue: 8 May
- arXiv:1505.01487 [pdf, other]
Ca II Triplet Spectroscopy of Small Magellanic Cloud Red Giants. III. Abundances and Velocities for a Sample of 14 Clusters
- Virtual Journal - Volume 13, Issue 18 - article #22
- M. C. Parisi, D. Geisler, J. J. ClariÃƒÂ¡, S. Villanova, N. Marcionni, A. Sarajedini, and A. J. Grocholski
- Astronomical Journal - Volume: 149, Issue: 5
- View article PDF (1.19 MB)
The Gaia-ESO Survey: Detailed Abundances in the Metal-poor Globular Cluster NGC 4372
- Virtual Journal - Volume 13, Issue 15 - article #16
- I. San Roman, C. Muñoz, D. Geisler, S. Villanova, N. Kacharov, A. Koch, G. Carraro, G. Tautvaišiene, A. Vallenari, E. J. Alfaro, T. Bensby, E. Flaccomio, P. Francois, A. J. Korn, E. Pancino, A. Recio-Blanco, R. Smiljanic, M. Bergemann, M. T. Costado, F. Damiani, U. Heiter, A. Hourihane, P. Jofré, C. Lardo, P. de Laverny, T. Masseron, L. Morbidelli, L. Sbordone, S. G. Sousa, C. C. Worley, S. Zaggia
- arXiv.org - Astrophysics - Volume: 2015, Issue: 17 Apr
- arXiv:1504.03497 [pdf, ps, other]
The Gaia-ESO Survey: Stellar content and elemental abundances in the massive cluster NGC 6705
- Virtual Journal - Volume 12, Issue 23 - article #115
- T. Cantat-Gaudin, A. Vallenari, S. Zaggia, A. Bragaglia, R. Sordo, J. E. Drew, J. Eisloeffel, H. J. Farnhill, E. Gonzalez-Solares, R. Greimel, et al. (45 more) M. J. Irwin, A. Kupcu-Yoldas, C. Jordi, R. Blomme, L. Sampedro, M. T. Costado, E. Alfaro, R. Smiljanic, L. Magrini, P. Donati, E. D. Friel, H. Jacobson, U. Abbas, D. Hatzidimitriou, A. Spagna, A. Vecchiato, L. Balaguer-Nunez, C. Lardo, M. Tosi, E. Pancino, A. Klutsch, G. Tautvaisiene, A. Drazdauskas, E. Puzeras, F. JimÃƒÂ©nez-Esteban, E. Maiorca, D. Geisler, I. San Roman, S. Villanova, G. Gilmore, S. Randich, T. Bensby, E. Flaccomio, A. Lanzafame, A. Recio-Blanco, F. Damiani, A. Hourihane, P. JofrÃƒÂ©, P. de Laverny, T. Masseron, L. Morbidelli, L. Prisinzano, G. G. Sacco, L. Sbordone and C. C. Worley
- Astronomy and Astrophysics - Volume: 569, Issue: September 2014
- http://dx.doi.org/10.1051/0004-6361/201423851
  Abstract Full HTML PDF (11.05 MB) ePUB (2.451 MB) References Tables at CDS NASA ADS Abstract Service
Clues on the Galactic evolution of sulphur from star clusters
- Virtual Journal - Volume 12, Issue 22 - article #94
- E. Caffau, L. Monaco, M. Spite, P. Bonifacio, G. Carraro, H.-G. Ludwig, S. Villanova, Y. Beletsky and L. Sbordone
- Astronomy and Astrophysics - Volume: 568, Issue: August 2014
- http://dx.doi.org/10.1051/0004-6361/201423873
  Abstract Full HTML PDF (637.5 KB) ePUB (1.355 MB) References NASA ADS Abstract Service
The cosmological lithium problem outside the Galaxy: the Sagittarius globular cluster M54
- Virtual Journal - Volume 12, Issue 22 - article #108
- A. Mucciarelli, M. Salaris, P. Bonifacio, L. Monaco, and S. Villanova
- Monthly Notices of the Royal Astronomical Society - Volume: 444, Issue: 2
- Abstract Full Text (HTML) Full Text (PDF)
The cosmological Lithium problem outside the Galaxy: the Sagittarius globular cluster M54
- Virtual Journal - Volume 12, Issue 21 - article #15
- A. Mucciarelli, M. Salaris, P. Bonifacio, L. Monaco, S. Villanova
- arXiv.org - Astrophysics - Volume: 2014, Issue: 1 Aug
- arXiv:1407.7596 [pdf, ps, other]
The Metallicity Spread and the Age-Metallicity Relation of Ï‰ Centauri
- Virtual Journal - Volume 12, Issue 21 - article #165
- S. Villanova, D. Geisler, R. G. Gratton, and S. Cassisi
- The Astrophysical Journal - Volume: 791, Issue: 2
- View article PDF (1.79 MB)
The Gaia-ESO Survey: Stellar content and elemental abundances in the massive cluster NGC 6705
- Virtual Journal - Volume 12, Issue 20 - article #14
- T. Cantat-Gaudin, A. Vallenari, S. Zaggia, A. Bragaglia, R. Sordo, J. E. Drew, J. Eisloeffel, H. J. Farnhill, E. Gonzalez-Solares, R. Greimel, M. J. Irwin, A. Kupcu-Yoldas, C. Jordi, R. Blomme, L. Sampedro, M. T. Costado, E. Alfaro, R. Smiljanic, L. Magrini, P. Donati, E. D. Friel, H. Jacobson, U. Abbas, D. Hatzidimitriou, A. Spagna, A. Vecchiato, L. Balaguer-Nunez, C. Lardo, M. Tosi, E. Pancino, A. Klutsch, G. Tautvaisiene, A. Drazdauskas, E. Puzeras, F. Jimenez-Esteban, E. Maiorca, D. Geisler, I. San, S. Villanova, G. Gilmore, S. Randich, T. Bensby, E. Flaccomio, A. Lanzafame, A. Recio-Blanco, F. Damiani, A. Hourihane, P. Jofre, P. deLaverny, T. Masseron, L. Morbidelli, L. Prisinzano, G. G. Sacco, L. Sbordone, C. C. Worley
- arXiv.org - Astrophysics - Volume: 2014, Issue: 11 Jul
- arXiv:1407.1510 [pdf, ps, other]
The metallicity spread and the age-metallicity relation of Omega Centauri
- Virtual Journal - Volume 12, Issue 20 - article #67
- S. Villanova, D. Geisler, R.G. Gratton, S. Cassisi
- arXiv.org - Astrophysics - Volume: 2014, Issue: 20 Jun
- arXiv:1406.5069 [pdf, ps, other]
Clues on the Galactic evolution of sulphur from star clusters
- Virtual Journal - Volume 12, Issue 20 - article #130
- E. Caffau, L. Monaco, M. Spite, P. Bonifacio, G. Carraro, H.-G. Ludwig, S. Villanova, Y. Beletsky, L. Sbordone
- arXiv.org - Astrophysics - Volume: 2014, Issue: 4 Jul
- arXiv:1407.0485 [pdf, ps, other]
Uncovering Multiple Populations with Washington Photometry: I. The Globular Cluster NGC 1851
- Virtual Journal - Volume 12, Issue 20 - article #160
- Jeffrey D. Cummings, D. Geisler, S. Villanova, G. Carraro
- arXiv.org - Astrophysics - Volume: 2014, Issue: 6 Jun
- arXiv:1406.0550 [pdf, other]
A super lithium-rich red-clump star in the open cluster Trumpler 5
- Virtual Journal - Volume 12, Issue 17 - article #27
- L. Monaco, H. M. J. Boffin, P. Bonifacio, S. Villanova, G. Carraro, E. Caffau, M. Steffen, J. A. Ahumada, Y. Beletsky and G. Beccari
- Astronomy and Astrophysics - Volume: 564, Issue: April 2014
- http://dx.doi.org/10.1051/0004-6361/201323348
  Abstract Full HTML PDF (232.4 KB) ePUB (1.285 MB) References Online Material NASA ADS Abstract Service
The Gaia-ESO Survey: Abundance ratios in the inner-disk open clusters Trumpler 20, NGC 4815, NGC 6705
- Virtual Journal - Volume 12, Issue 16 - article #21
- L. Magrini, S. Randich, D. Romano, E. Friel, A. Bragaglia, R. Smiljanic, H. Jacobson, A. Vallenari, M. Tosi, L. Spina, et al. (42 more) P. Donati, E. Maiorca, T. Cantat-Gaudin, R. Sordo, M. Bergemann, F. Damiani, G. TautvaiÃ…Â¡ien*error*Ã„Â—, S. Blanco-Cuaresma, F. JimÃƒÂ©nez-Esteban, D. Geisler, N. Mowlavi, C. Munoz, I. San Roman, C. Soubiran, S. Villanova, S. Zaggia, G. Gilmore, M. Asplund, S. Feltzing, R. Jeffries, T. Bensby, S. Koposov, A. J. Korn, E. Flaccomio, E. Pancino, A. Recio-Blanco, G. Sacco, M. T. Costado, E. Franciosini, P. Jofre, P. de Laverny, V. Hill, U. Heiter, A. Hourihane, R. Jackson, C. Lardo, L. Morbidelli, J. Lewis, K. Lind, T. Masseron, L. Prisinzano and C. Worley
- Astronomy and Astrophysics - Volume: 563, Issue: March 2014
- http://dx.doi.org/10.1051/0004-6361/201322977
  Abstract Full HTML PDF (868.2 KB) References NASA ADS Abstract Service
Chemical abundance analysis of the old, rich open cluster Trumpler 20
- Virtual Journal - Volume 12, Issue 9 - article #17
- Giovanni Carraro, Sandro Villanova, Lorenzo Monaco, Giacomo Beccari, Javier A. Ahumada and Henri M. J. Boffin
- Astronomy and Astrophysics - Volume: 562, Issue: February 2014
- http://dx.doi.org/10.1051/0004-6361/201322783
  Abstract Full HTML PDF (653.5 KB) References Online Material NASA ADS Abstract Service
Chemical abundance analysis of the old, rich open cluster Trumpler 20
- Virtual Journal - Volume 12, Issue 2 - article #6
- Giovanni Carraro (ESO), Sandro Villanova (Concepcion), Lorenzo Monaco (ESO), Giacomo Beccari (ESO), Javier Ahumada (Cordoba), Henri Boffin (ESO)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 10 Jan
- arXiv:1401.1563 [pdf, ps, other]
The Gaia-ESO Survey: Abundance ratios in the inner-disk open clusters Trumpler 20, NGC 4815, NGC 6705
- Virtual Journal - Volume 12, Issue 1 - article #9
- L. Magrini, S. Randich, D. Romano, E. Friel, A. Bragaglia, R. Smiljanic, H. Jacobson, A. Vallenari, M. Tosi, L. Spina, P. Donati, E. Maiorca, T. Cantat-Gaudin, R. Sordo, M. Bergemann, F. Damiani, G. Tautvaisiene, S. Blanco-Cuaresma, F. Jimenez-Esteban, D. Geisler, N. Mowlavi, C. Munoz, I. San Roman, C. Soubiran, S. Villanova, S. Zaggia, G. Gilmore, M. Asplund, S. Feltzing, R. Jeffries, T. Bensby, P. Francois, S. Koposov, A. J. Korn, E. Flaccomio, E. Pancino, A. Recio-Blanco, G. Sacco, M. T. Costado, E. Franciosini, P. Jofre, P. de Laverny, V. Hill, U. Heiter, A. Hourihane, R. Jackson, C. Lardo, L. Morbidelli, J. Lewis, K. Lind, T. Masseron, L. Prisinzano, C. Worley
- arXiv.org - Astrophysics - Volume: 2014, Issue: 3 Jan
- arXiv:1312.6472 [pdf, other]
Ruprecht 106: the first single population Globular Cluster?
- Virtual Journal - Volume 11, Issue 43 - article #5
- S. Villanova, D. Geisler, G. Carraro, C. Moni Bidin, C.Munoz
- arXiv.org - Astrophysics - Volume: 2013, Issue: 25 Oct
- arXiv:1310.5900 [pdf, ps, other]
The Origin and Chemical Evolution of the Exotic Globular Cluster NGC3201
- Virtual Journal - Volume 11, Issue 20 - article #11
- C. Muñoz, D. Geisler, S. Villanova
- arXiv.org - Astrophysics - Volume: 2013, Issue: 17 May
- arXiv:1305.3645 [pdf, ps, other]
Spectroscopic analysis of the two subgiant branches of the globular cluster NGC 1851
- Virtual Journal - Volume 10, Issue 51 - article #56
- R. G. Gratton, S. Villanova, S. Lucatello, A. Sollima, D. Geisler, E. Carretta, S. Cassisi and A. Bragaglia
- Astronomy and Astrophysics - Volume: 544, Issue: August 2012
- http://dx.doi.org/10.1051/0004-6361/201219276
  Abstract | Full HTML | PDF (1.613 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service
Chemical abundances in the old LMC globular cluster Hodge 11
- Virtual Journal - Volume 10, Issue 51 - article #76
- R. Mateluna, D. Geisler, S. Villanova, G. Carraro, A. Grocholski, A. Sarajedini, A. Cole and V. Smith
- Astronomy and Astrophysics - Volume: 548, Issue: December 2012
- http://dx.doi.org/10.1051/0004-6361/201219750
  Abstract | Full HTML | PDF (1.460 MB) | References | Online Material | NASA ADS Abstract Service
Spectroscopy of horizontal branch stars in Omega Centauri
- Virtual Journal - Volume 10, Issue 40 - article #12
- C. Moni Bidin, S. Villanova, G. Piotto, S. Moehler, S. Cassisi, Y. Momany
- arXiv.org - Astrophysics - Volume: 2012, Issue: 5 Oct
- arXiv:1210.1262 [pdf, ps, other]
The Unique Na:O Abundance Distribution in NGC 6791: The First Open(?) Cluster with Multiple Populations
- Virtual Journal - Volume 10, Issue 29 - article #15
- D. Geisler, S. Villanova, G. Carraro, C. Pilachowski, J. Cummings, C. I. Johnson, F. Bresolin
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.3328 [pdf, ps, other]
Abundance analysis of four members of the metal-rich open cluster NGC 6253
- Virtual Journal - Volume 10, Issue 27 - article #31
- M. Montalto, N. C. Santos, S. Villanova, G. Pace, G. Piotto, S. Desidera, F. De Marchi, L. Pasquini and I. Saviane
- Monthly Notices of the Royal Astronomical Society - Volume: 423, Issue: 4
- Abstract Full Article (HTML)PDF(967K)References Supporting Information Request Permissions
The C+N+O Abundance of Ï‰ Centauri Giant Stars: Implications for the Chemical-enrichment Scenario and the Relative Ages of Different Stellar Populations
- Virtual Journal - Volume 10, Issue 15 - article #41
- A. F. Marino, A. P. Milone, G. Piotto, S. Cassisi, F. D'Antona, J. Anderson, A. Aparicio, L. R. Bedin, A. Renzini, and S. Villanova
- The Astrophysical Journal - Volume: 746, Issue: 1
- Abstract References Cited by Full text PDF (902 KB) View as HTML
The Helium Content of Globular Clusters: NGCÂ 6121 (M4)
- Virtual Journal - Volume 10, Issue 12 - article #40
- S. Villanova, D. Geisler, G. Piotto and R. G. Gratton
- The Astrophysical Journal - Volume: 748, Issue: 1
- Abstract References Full text PDF (1.03 MB) View as HTML
Detailed abundances in stars belonging to ultra-faint dwarf spheroidal galaxies
- Virtual Journal - Volume 10, Issue 7 - article #5
- P. François, L. Monaco, S. Villanova, M. Catelan, P. Bonifacio, M. Bellazzini, C. Moni Bidin, G. Marconi, D. Geisler, L. Sbordone
- arXiv.org - Astrophysics - Volume: 2012, Issue: 17 Feb
- arXiv:1202.2899 [pdf, ps, other]
The C+N+O abundance of Omega Centauri giant stars: implications on the chemical enrichment scenario and the relative ages of different stellar populations
- Virtual Journal - Volume 9, Issue 45 - article #14
- A. F. Marino, A. P. Milone, G. Piotto, S. Cassisi, F. D'Antona, J. Anderson, A. Aparicio, L. R. Bedin, A. Renzini, S. Villanova
- arXiv.org - Astrophysics - Volume: 2011, Issue: 11 Nov
- arXiv:1111.1891 [pdf, other]
Bimodality of light and s-elements in M4 (NGC 6121)
- Virtual Journal - Volume 9, Issue 36 - article #2
- Sandro Villanova, Douglas Geisler
- arXiv.org - Astrophysics - Volume: 2011, Issue: 9 Sep
- arXiv:1109.0973 [pdf, ps, other]
Sodiumâ€“Oxygen Anticorrelation Among Horizontal Branch Stars in the Globular Cluster M4
- Virtual Journal - Volume 9, Issue 23 - article #61
- A. F. Marino, S. Villanova, A. P. Milone, G. Piotto, K. Lind, D. Geisler and P. B. Stetson
- The Astrophysical Journal Letters - Volume: 730, Issue: 2
- Abstract References Full text PDF (681 KB) View as HTML
Sodiumâ€“Oxygen Anticorrelation and Neutron-capture Elements in Omega Centauri Stellar Populations
- Virtual Journal - Volume 9, Issue 12 - article #23
- A. F. Marino, A. P. Milone, G. Piotto, S. Villanova, R. Gratton, F. DÃ¢Â€Â™Antona, J. Anderson, L. R. Bedin, A. Bellini, S. Cassisi, D. Geisler, A. Renzini and M. Zoccali
- The Astrophysical Journal - Volume: 731, Issue: 1
- Abstract References Full text PDF (1.55 MB) HTML with Enhancements
Lithium-rich giants in the Galactic thick disk
- Virtual Journal - Volume 9, Issue 10 - article #9
- L. Monaco (1), S. Villanova (2), C. Moni Bidin (2), G. Carraro (1), D. Geisler (2), P. Bonifacio (3), O. A. Gonzalez (4), M. Zoccali (5), L. Jilkova (1,6) ((1) ESO, Casilla 19001, Santiago, Chile, (2) Universidad de Concepción, Casilla 160-C, Concepción, Chile, (3) GEPI, Observatoire de Paris, CNRS, Université Paris Diderot, Place Jules Janssen, 92190 Meudon, France, (4) ESO, Karl-Schwarzschild-Strasse 2, D-85748 Garching, Germany, (5) Departamento Astronomía y Astrofísica, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860 Stgo., Chile, (6) Department of Theoretical Physics and Astrophysics, Faculty of Science, Masaryk University, (Kotlářská 2, CZ-611 37) Brno, Czech Republic)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 11 Mar
- arXiv:1103.1658 [pdf, other]
Sodium-oxygen anticorrelation and neutron capture elements in Omega Centauri stellar populations
- Virtual Journal - Volume 9, Issue 6 - article #5
- Anna F. Marino, Antonino P. Milone, Giampaolo Piotto, Sandro Villanova, Raffaele Gratton, Franca D'Antona, Jay Anderson, Luigi R. Bedin, Andrea Bellini, Santino Cassisi, Doug Geisler, Alvio Renzini, Manuela Zoccali
- arXiv.org - Astrophysics - Volume: 2011, Issue: 11 Feb
- arXiv:1102.1653 [pdf, ps, other]
The lithium content of Ï‰ Centauri - New clues to the cosmological Li problem from old stars in external galaxies
- Virtual Journal - Volume 9, Issue 6 - article #17
- L. Monaco, P. Bonifacio, L. Sbordone, S. Villanova and E. Pancino
- Astronomy and Astrophysics - Volume: 519, Issue: September 2010
- Full HTML | PDF (839.8 KB) | PS (495.6 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service
Sodium-Oxygen anticorrelation among Horizontal Branch Stars in the Globular Cluster M4
- Virtual Journal - Volume 8, Issue 52 - article #11
- A. F Marino, S. Villanova, A. P. Milone, G. Piotto, K. Lind, D. Geisler, P.B. Stetson
- arXiv.org - Astrophysics - Volume: 2010, Issue: 24 Dec
- arXiv:1012.4931 [pdf, ps, other]
Detailed Abundances of Red Giants in the Globular Cluster NGCÂ 1851: C+N+O and the Origin of Multiple Populations
- Virtual Journal - Volume 8, Issue 40 - article #41
- S. Villanova, D. Geisler, and G. Piotto
- The Astrophysical Journal Letters - Volume: 722, Issue: 1
- Abstract References Full text PDF (285 KB) View as HTML
The lithium content of omega Centauri. New clues to the cosmological Li problem from old stars in external galaxies
- Virtual Journal - Volume 8, Issue 33 - article #10
- L. Monaco (1,2), P. Bonifacio (3,4), L. Sbordone (5), S. Villanova (1), E. Pancino (6) ((1) Universidad de Concepción, Concepción, Chile, (2) ESO - European Southern Observatory, (3) GEPI, Observatoire de Paris, Paris, France, (4) Istituto Nazionale di Astrofisica -- Osservatorio Astronomico di Trieste, Trieste, Italy, (5) Max Planck Institut for Astrophysics, Garching, Germany, (6) Istituto Nazionale di Astrofisica -- Osservatorio Astronomico di Bologna, Bologna, Italy)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 13 Aug
- arXiv:1008.1817 [pdf, ps, other]
Abundance analysis of a sample of evolved stars in the outskirts of ω Centauri
- Virtual Journal - Volume 8, Issue 15 - article #17
- S. Villanova, G. Carraro, R. Scarpa, G. Marconi
- New Astronomy - Volume: 15, Issue: 6
- PDF (1295 K) | Related Articles
Chemical composition of stellar populations in Omega Centauri
- Virtual Journal - Volume 8, Issue 3 - article #6
- A. F. Marino, G. Piotto, R. Gratton, A. P. Milone, M. Zoccali, L. R. Bedin, S. Villanova, A. Bellini
- arXiv.org - Astrophysics - Volume: 2010, Issue: 15 Jan
- arXiv:1001.1500 [ps, pdf, other]
Abundance analysis of a sample of evolved stars in the outskirts of Omega Centauri
- Virtual Journal - Volume 7, Issue 52 - article #2
- Sandro Villanova (Universidad de Concepcion), Giovanni Carraro (ESO-Chile), Riccardo Scarpa (IAC-GTC), Gianni Marconi (ESO-Chile)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 25 Dec
- arXiv:0912.4176 [ps, pdf, other]
Multiple stellar populations in the Galactic globular cluster NGC 6752
- Virtual Journal - Volume 7, Issue 50 - article #7
- A. P. Milone, G. Piotto, I. R. King, L. R. Bedin, J. Anderson, A. F. Marino, Y. Momany, L. Malavolta, S. Villanova
- arXiv.org - Astrophysics - Volume: 2009, Issue: 11 Dec
- arXiv:0912.2055 [ps, pdf, other]
The Metallicity of the Open Cluster Tombaugh 2
- Virtual Journal - Volume 7, Issue 47 - article #12
- Sandro Villanova (Concepcion), Sofia Randich (Arcetri), Doug Geisler (Concepcion), Giovanni Carraro (ESO-Chile), Edgardo Costa (UChile)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 20 Nov
- arXiv:0911.3044 [ps, pdf, other]
A double stellar generation in the globular cluster NGC 6656 (M 22) - Two stellar groups with different iron and s-process element abundances
- Virtual Journal - Volume 7, Issue 42 - article #16
- A. F. Marino, A. P. Milone, G. Piotto, S. Villanova, L. R. Bedin, A. Bellini, and A. Renzini
- Astronomy and Astrophysics - Volume: 505, Issue: 3
- Abstract | PDF file (1.034 MB) | PS file (373.1 KB)
A spectroscopic study of the open cluster NGC 6475 (M 7) - Chemical abundances from stars in the range T_eff = 4500–10 000 K
- Virtual Journal - Volume 7, Issue 39 - article #17
- S. Villanova, G. Carraro, and I. Saviane
- Astronomy and Astrophysics - Volume: 504, Issue: 3
- Abstract | PDF file (245.0 KB) | PS file (110.7 KB)
A spectroscopic study of the Open Cluster NGC 6475 (M 7) Chemical Abundances from stars in the range T = 4500-10000 K
- Virtual Journal - Volume 7, Issue 26 - article #2
- Sandro Villanova (Concepcion), Giovanni Carraro (ESO-Chile), Ivo Saviane (ESO-Chile)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 26 Jun
- arXiv:0906.4330 [ps, pdf, other]
The helium content of globular clusters: light element abundance correlations and HB morphology - I. NGC 6752
- Virtual Journal - Volume 7, Issue 23 - article #15
- S. Villanova, G. Piotto, and R. G. Gratton
- Astronomy and Astrophysics - Volume: 499, Issue: 3
- Abstract | PDF file (886.7 KB) | PS file (329.9 KB)
A double stellar generation in the Globular Cluster NGC6656 (M 22). Two stellar groups with different iron and s-process element abundance
- Virtual Journal - Volume 7, Issue 22 - article #1
- A. F. Marino, A. P. Milone, G. Piotto, S. Villanova, L. R. Bedin, A. Bellini, A. Renzini
- arXiv.org - Astrophysics - Volume: 2009, Issue: 29 May
- arXiv:0905.4058 [ps, pdf, other]
The Helium content of Globular Clusters: light element abundance correlations and HB morphology. I. NGC6752
- Virtual Journal - Volume 7, Issue 13 - article #14
- S. Villanova, G. Piotto, R.G. Gratton
- arXiv.org - Astrophysics - Volume: 2009, Issue: 27 Mar
- arXiv:0903.3924 [pdf]
Tombaugh 2: the first open cluster with a significant abundance spread or embedded in a cold stellar stream?^★
- Virtual Journal - Volume 6, Issue 46 - article #10
- P. M. Frinchaboy, A. F. Marino, S. Villanova, G. Carraro, S. R. Majewski, D. Geisler
- Monthly Notices of the Royal Astronomical Society - Volume: 391, Issue: 1
- Abstract | References | Full Text: HTML, PDF (Size: 838K)
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Spectroscopic and photometric evidence of two stellar populations in the Galactic globular cluster NGC 6121 (M 4)
- Virtual Journal - Volume 6, Issue 42 - article #19
- A. F. Marino, S. Villanova, G. Piotto, A. P. Milone, Y. Momany, L. R. Bedin, and A. M. Medling
- Astronomy and Astrophysics - Volume: 490, Issue: 2
- Abstract | PDF file (1.254 MB) | PS file (403.1 KB)
Spectroscopic and Photometric evidence of two stellar populations in the Galactic Globular Cluster NGC6121 (M4)
- Virtual Journal - Volume 6, Issue 33 - article #10
- A. F. Marino, S. Villanova, G. Piotto, A. P. Milone, Y. Momany, L. R. Bedin, A. M. Medling
- arXiv.org - Astrophysics - Volume: 2008, Issue: 14 Aug
- arXiv:0808.1414 [ps, pdf, other]
Old open clusters as key tracers of Galactic chemical evolution - II. Iron and elemental abundances in NGC 2324, NGC 2477, NGC 2660, NGC 3960, and Berkeley 32
- Virtual Journal - Volume 6, Issue 9 - article #9
- A. Bragaglia, P. Sestito, S. Villanova, E. Carretta, S. Randich, and M. Tosi
- Astronomy and Astrophysics - Volume: 480, Issue: 1
- Abstract | PDF file (886.7 KB) | PS file (279.7 KB)
The anticenter old open cluster NGC 1883: radial velocity and metallicity
- Virtual Journal - Volume 5, Issue 20 - article #24
- Sandro Villanova (Padova), Gustavo Baume (La Plata), Giovanni Carraro (Padova)
- ArXiv - Astrophysics
- arXiv:0705.2300 [ps, pdf, other]
Metal abundances in extremely distant Galactic old open clusters. II. Berkeley 22 and Berkeley 66
- Virtual Journal - Volume 3, Issue 15 - article #18
- Sandro Villanova (Padova), Giovanni Carraro (UChile/Yale), Fabio Bresolin (IfA), Ferdinando Ptat (ESO)
- arXiv - Astrophysics – April 2005
- astro-ph/0504282 [ abs , ps , pdf , other ]
Metallicities on the Double Main Sequence of Centauri Imply Large Helium Enhancement
- Virtual Journal - Volume 3, Issue 10 - article #23
- Giampaolo Piotto, Sandro Villanova, Luigi R. Bedin, Raffaele Gratton, Santi Cassisi, Yazan Momany, Alejandra Recio-Blanco, Sara Lucatello, Jay Anderson, Ivan R. King, Adriano Pietrinferni, and Giovanni Carraro
- Astrophysical Journal – Vol. 621, No. 2 – March 2005
- ABSTRACT , FULL TEXT , PDF (464 kB) , PS
Metallicities on the Double Main Sequence of omega Centauri Imply Large Helium Enhancement
- Virtual Journal - Volume 2, Issue 48 - article #15
- Giampaolo Piotto (1), Sandro Villanova (1), Luigi R. Bedin (1,2), Raffaele Gratton (3), Santi Cassisi (4), Yazan Momany (1), Alejandra Recio-Blanco (1), Sara Lucatello (3), Jay Anderson (5), Ivan R. King (6), Adriano Pietrinferni (4), Giovanni Carraro (1). ((1) Padova Uviv., Astronomy Dpt.; (2) E.S.O., Garching; (3) INAF-Oss. Astronomico di Padova; (4) INAF-Oss. Astronomico di Collurania; (5) Rice Univ., Physics and Astronomy Dpt.; (6) Washington Univ., Astronomy Dpt.)
- arXiv - Astrophysics – December 2004
- astro-ph/0412016 [ abs , ps , pdf , other ]
Surface Hydrogen Modeling of Super Soft X-ray Sources: Are They Supernova Ia Progenitors?
- Virtual Journal - Volume 2, Issue 29 - article #2
- S. Starrfield (1), F. X. Timmes (2), W. R. Hix (3), E. M. Sion (4), W. M. Sparks (2), S. J. Dwyer (1) ((1) ASU, (2) LANL, (3) ORNL, (4) Villanova)
- arXiv - Astrophysics – July 2004
- astro-ph/0407466 [ abs , ps , pdf , other ]
Metal abundances in extremely distant Galactic old open clusters. I. Berkeley 29 and Saurer 1
- Virtual Journal - Volume 2, Issue 26 - article #14
- Giovanni Carraro (UChile/YALE), Fabio Bresolin (IfA), Sandro Villanova (Padova), Francesca Matteucci (Trieste), Ferdinando Patat (ESO), Martino Romaniello (ESO)
- arXiv - Astrophysics – July 04
- astro-ph/0406679 [ abs , ps , pdf , other ]

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