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Results 1 - 57 of 57

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
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. FernÃ¡ndez-Trincado, O. Zamora, D. Geisler, P. Frinchaboy, M. Schultheis, F. DellâAgli, S. Villanova, T. Masseron, Sz. MÃ©szÃ¡ros, D. Souto, S. Hasselquist, K. Cunha, V. V. Smith, D. A. GarcÃa-HernÃ¡ndez, K. Vieira, A. C. Robin, D. Minniti, G. Zasowski, E. Moreno, A. PÃ©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 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. FernÃ¡ndez-Trincado, O. Zamora, D. A. GarcÃa-HernÃ¡ndez, Diogo Souto, F. DellâAgli, 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. MÃ©szÃ¡ros, T. Masseron, Ana E. GarcÃa PÃ©rez, F. Anders, A. Meza, A. Alves-Brito, R. Carrera, D. Minniti, R. R. Lane, E. FernÃ¡ndez-Alvar, E. Moreno, B. Pichardo, A. PÃ©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. HernÃ¡ndez, J. Alonso-GarcÃa, O. Valenzuela,, J. ChanamÃ©
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/846/1/L2
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
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
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
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. GarcÃa-HernÃ¡ndez, Sz. MÃ©szÃ¡ros, J. Bovy, A. E. GarcÃa PÃ©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
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. ClariÃ¡, 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. JimÃ©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. JofrÃ©, 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 ω 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. TautvaiÅ¡ien*error*Ä, S. Blanco-Cuaresma, F. JimÃ©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
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 ω 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: NGC 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]
Sodium–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
Sodium–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. DâAntona, 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]
The lithium content of ω 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 NGC 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]
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]
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)
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 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)

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