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Results 1 - 88 of 88

The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. XX. Ages of Single and Multiple Stellar Populations in Seven Bulge Globular Clusters
- Volume 15, Issue 10 - article #7
- R. A. P. Oliveira, S. O. Souza, L. O. Kerber, B. Barbuy, S. Ortolani, G. Piotto, D. Nardiello, A. PÃ©rez-Villegas, F. F. S. Maia, E. Bica, S. Cassisi, F. DâAntona, E. P. Lagioia, M. Libralato, A. P. Milone, J. Anderson, A. Aparicio, L. R. Bedin, T. M. Brown, I. R. King, A. F. Marino, A. Pietrinferni, A. Renzini, A. Sarajedini, R. van der Marel,, E. Vesperini
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/891/1/37
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. XVIII. Proper-motion kinematics of multiple stellar populations in the core regions of NGC 6352. (arXiv:1902.02787v1 [astro-ph.SR])
- Volume 14, Issue 7 - article #3
- M. Libralato, A. Bellini, G. Piotto, D. Nardiello, R. P. van der Marel, J. Anderson, L. R. Bedin, E. Vesperini
- http://arxiv.org/abs/1902.02787
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. XV. The Dynamical Clock: Reading Cluster Dynamical Evolution from the Segregation Level of Blue Straggler Stars
- Volume 13, Issue 24 - article #16
- F. R. Ferraro, B. Lanzoni, S. Raso, D. Nardiello, E. Dalessandro, E. Vesperini, G. Piotto, C. Pallanca, G. Beccari, A. Bellini, M. Libralato, J. Anderson, A. Aparicio, L. R. Bedin, S. Cassisi, A. P. Milone, S. Ortolani, A. Renzini, M. Salaris,, R. P. van der Marel
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/860/1/36
Metallicity Variations in the Type II Globular Cluster NGC 6934
- Volume 13, Issue 22 - article #11
- A. F. Marino, D. Yong, A. P. Milone, G. Piotto, M. Lundquist, L. R. Bedin, A.-N. ChenÃ©, G. Da Costa, M. Asplund,, H. Jerjen
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/859/2/81
Metallicity variations in the Type II globular cluster NGC6934. (arXiv:1804.04158v1 [astro-ph.SR])
- Volume 13, Issue 15 - article #11
- A. F. Marino, D. Yong, A. P. Milone, G. Piotto, M. Lundquist, L. R. Bedin, A.-N. Chene', G. Da Costa, M. Asplund, H. Jerjen
- http://arxiv.org/abs/1804.04158
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters - XIV. Multiple stellar populations within M 15 and their radial distribution. (arXiv:1803.05979v1 [astro-ph.SR])
- Volume 13, Issue 12 - article #7
- D. Nardiello, A. P. Milone, G. Piotto, J. Anderson, L. R. Bedin, A. Bellini, S. Cassisi, M. Libralato, A. F. Marino
- http://arxiv.org/abs/1803.05979
Hubble Space Telescope Proper Motion (HSTPROMO) Catalogs of Galactic Globular Clusters. V. The Rapid Rotation of 47 Tuc Traced and Modeled in Three Dimensions
- Volume 13, Issue 6 - article #10
- A. Bellini, P. Bianchini, A. L. Varri, J. Anderson, G. Piotto, R. P. van der Marel, E. Vesperini,, L. L. Watkins
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/844/2/167
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. XIII. ACS/WFC Parallel-Field Catalogues. (arXiv:1801.07445v1 [astro-ph.GA])
- Volume 13, Issue 4 - article #12
- M. Simioni, L. R. Bedin, A. Aparicio, G. Piotto, A. P. Milone, D. Nardiello, J. Anderson, A. Bellini, T. M. Brown, S. Cassisi, A. Cunial, V. Granata, S. Ortolani, R. P. van der Marel, E. Vesperini
- http://arxiv.org/abs/1801.07445
PLATO as it is: A legacy mission for Galactic archaeology
- Volume 12, Issue 34 - article #16
- A. Miglio, C. Chiappini, B. Mosser, G. R. Davies, K. Freeman, L. Girardi, P. JofrÃ©, D. Kawata, B. M. Rendle, M. Valentini, L. Casagrande, W. J. Chaplin, G. Gilmore, K. Hawkins, B. Holl, T. Appourchaux, K. Belkacem, D. Bossini, K. Brogaard, M.-J. Goupil, J. MontalbÃ¡n, A. Noels, F. Anders, T. Rodrigues, G. Piotto, D. Pollacco, H. Rauer, C. Allende Prieto, P. P. Avelino, C. Babusiaux, C. Barban, B. Barbuy, S. Basu, F. Baudin, O. Benomar, O. BienaymÃ©, J. Binney, J. Bland-Hawthorn, A. Bressan, C. Cacciari, T. L. Campante, S. Cassisi, J. Christensen-Dalsgaard, F. Combes, O. Creevey, M. S. Cunha, R. S. Jong, P. Laverny, S. Degl'Innocenti, S. Deheuvels, Ã. Depagne, J. Ridder, P. Di Matteo, M. P. Di Mauro, M.-A. Dupret, P. Eggenberger, Y. Elsworth, B. Famaey, S. Feltzing, R. A. GarcÃa, O. Gerhard, B. K. Gibson, L. Gizon, M. Haywood, R. Handberg, U. Heiter, S. Hekker, D. Huber, R. Ibata, D. Katz, S. D. Kawaler, H. Kjeldsen, D. W. Kurtz, N. Lagarde, Y. Lebreton, M. N. Lund, S. R. Majewski, P. Marigo, M. Martig, S. Mathur, I. Minchev, T. Morel, S. Ortolani, M. H. Pinsonneault, B. Plez, P. G. Prada Moroni, D. Pricopi, A. Recio-Blanco, C. ReylÃ©, A. Robin, I. W. Roxburgh, M. Salaris, B. X. Santiago, R. Schiavon, A. Serenelli, S. Sharma, V. Silva Aguirre, C. Soubiran, M. Steinmetz, D. Stello, K. G. Strassmeier, P. Ventura, R. Ventura, N. A. Walton, C. C. Worley
- John Wiley & Sons, Inc.
- http://onlinelibrary.wiley.com/resolve/doi?DOI=10.1002%2Fasna.201713385
PLATO as it is: a legacy mission for Galactic archaeology. (arXiv:1706.03778v1 [astro-ph.SR])
- Volume 12, Issue 24 - article #9
- A. Miglio, C. Chiappini, B. Mosser, G.R. Davies, K. Freeman, L. Girardi, P. Jofre, D. Kawata, B. M. Rendle, M. Valentini, L. Casagrande, W. J. Chaplin, G. Gilmore, K. Hawkins, B. Holl, T. Appourchaux, K. Belkacem, D. Bossini, K. Brogaard, M.-J. Goupil, J. Montalban, A. Noels, F. Anders, T. Rodrigues, G. Piotto, D. Pollacco, H. Rauer, C. Allende Prieto, P.P. Avelino, C. Babusiaux, C. Barban, B. Barbuy, S. Basu, F. Baudin, O. Benomar, O. Bienayme, J. Binney, J. Bland-Hawthorn, A. Bressan, C. Cacciari, T.L. Campante, S. Cassisi, J. Christensen-Dalsgaard, F. Combes, O. Creevey, M.S. Cunha, R.S. de Jong, P. de Laverny, S.Degl'Innocenti, S.Deheuvels, E.Depagne, J.DeRidder, P.DiMatteo, M.P.Di Mauro, M.-A. Dupret, P. Eggenberger, Y. Elsworth, B. Famaey, S. Feltzing, R. A. Garcia, O. Gerhard, et al. (44 additional authors not shown)
- http://arxiv.org/abs/1706.03778
The State-of-the-art HST Astro-photometric Analysis of the Core of ω Centauri. I. The Catalog
- Volume 12, Issue 23 - article #12
- A. Bellini, J. Anderson, L. R. Bedin, I. R. King, R. P. van der Marel, G. Piotto,, A. Cool
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/842/1/6
The State-of-the-art HST Astro-photometric Analysis of the Core of ω Centauri. II. Differential-reddening Map
- Volume 12, Issue 23 - article #13
- A. Bellini, J. Anderson, R. P. van der Marel, I. R. King, G. Piotto,, L. R. Bedin
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/842/1/7
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. VIII. Preliminary Public Catalog Release
- Volume 11, Issue 52 - article #8
- M. Soto, A. Bellini, J. Anderson, G. Piotto, L. R. Bedin, R. P. van der Marel, A. P. Milone, T. M. Brown, A. M. Cool, I. R. King, A. Sarajedini, V. Granata, S. Cassisi, A. Aparicio, S. Hidalgo, S. Ortolani,, D. Nardiello
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/153/1/19
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. IX. The Atlas of Multiple Stellar Populations. (arXiv:1610.00451v1 [astro-ph.SR])
- Volume 11, Issue 41 - article #10
- A. P. Milone, G. Piotto, A. Renzini, A. F. Marino, L. R. Bedin, E. Vesperini, F. D'Antona, D. Nardiello, J. Anderson, I. R. King, D. Yong, A. Bellini, A. Aparicio, B. Barbuy, T. M. Brown, S. Cassisi, S. Ortolani, M. Salaris, A. Sarajedini, R. P. van der Marel
- http://arxiv.org/abs/1610.00451
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. VII. Implications from the Nearly Universal Nature of Horizontal Branch Discontinuities
- Volume 11, Issue 19 - article #10
- T. M. Brown, S. Cassisi, F. DâAntona, M. Salaris, A. P. Milone, E. Dalessandro, G. Piotto, A. Renzini, A. V. Sweigart, A. Bellini, S. Ortolani, A. Sarajedini, A. Aparicio, L. R. Bedin, J. Anderson, A. Pietrinferni, and D. Nardiello
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/822/1/44
The binary populations of eight globular clusters in the outer halo of the Milky Way
- Volume 10, Issue 45 - article #11
- A. P. Milone, A. F. Marino, L. R. Bedin, A. Dotter, H. Jerjen, D. Kim, D. Nardiello, G. Piotto, and J. Cong
- Monthly Notices of the Royal Astronomical Society - Volume: 455, Issue: 3
- Abstract Full Text (HTML) Full Text (PDF)
The M 4 Core Project with HST – IV. Internal kinematics from accurate radial velocities of 2771 cluster members
- Volume 10, Issue 41 - article #16
- L. Malavolta, G. Piotto, L. R. Bedin, C. Sneden, V. Nascimbeni, and V. Sommariva
- Monthly Notices of the Royal Astronomical Society - Volume: 454, Issue: 3
- Abstract Full Text (HTML) Full Text (PDF) SUPPORTING INFORMATION
Variable stars in one open cluster within the Kepler/K2-Campaign-5 field: M 67 (NGC 2682)
- Volume 10, Issue 39 - article #21
- D. Nardiello, M. Libralato, L. R. Bedin, G. Piotto, P. Ochner, A. Cunial, L. Borsato, V. Granata
- arXiv.org - Astrophysics - Volume: 2015, Issue: 23 Oct
- arXiv:1510.05693 [pdf, ps, other]
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. V. Constraints on Formation Scenarios
- Volume 10, Issue 37 - article #11
- A. Renzini, F. D'Antona, S. Cassisi, I. R. King, A. P. Milone, P. Ventura, J. Anderson, L. R. Bedin, A. Bellini, T. M. Brown, G. Piotto, R. P. van der Marel, B. Barbuy, E. Dalessandro, S. Hidalgo, A. F. Marino, S. Ortolani, M. Salaris, A. Sarajedini
- arXiv.org - Astrophysics - Volume: 2015, Issue: 9 Oct
- arXiv:1510.01468 [pdf, ps, other]
The M4 Core Project with HST - IV. Internal Kinematics from Accurate Radial Velocities of 2771 Cluster Members
- Volume 10, Issue 34 - article #9
- L. Malavolta, G. Piotto, L. R. Bedin, C. Sneden, V. Nascimbeni, V. Sommariva
- arXiv.org - Astrophysics - Volume: 2015, Issue: 18 Sep
- arXiv:1509.05048 [pdf, ps, other]
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters: The Internal Kinematics of the Multiple Stellar Populations in NGC 2808
- Volume 10, Issue 33 - article #20
- A. Bellini, E. Vesperini, G. Piotto, A. P. Milone, J. Hong, J. Anderson, R. P. van der Marel, L. R. Bedin, S. Cassisi, F. D'Antona, A. F. Marino, and A. Renzini
- The Astrophysical Journal Letters - Volume: 810, Issue: 1
- View article PDF (414 KB)
Multiple stellar populations in Magellanic Cloud clusters – III. The first evidence of an extended main sequence turn-off in a young cluster: NGC 1856
- Volume 10, Issue 23 - article #25
- A. P. Milone, L. R. Bedin, G. Piotto, A. F. Marino, S. Cassisi, A. Bellini, H. Jerjen, A. Pietrinferni, A. Aparicio, and R. M. Rich
- Monthly Notices of the Royal Astronomical Society - Volume: 450, Issue: 4
- Abstract Full Text (HTML) Full Text (PDF)
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. III. A quintuple stellar population in NGC2808
- Volume 10, Issue 21 - article #9
- A. P. Milone, A. F. Marino, G. Piotto, A. Renzini, L. R. Bedin, J. Anderson, S. Cassisi, F. D'Antona, A. Bellini, H. Jerjen, A. Pietrinferni, P. Ventura
- arXiv.org - Astrophysics - Volume: 2015, Issue: 29 May
- arXiv:1505.05934 [pdf, ps, other]
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. IV. Helium content and relative age of multiple stellar populations within NGC 6352
- Volume 10, Issue 17 - article #10
- D. Nardiello, G. Piotto, A. P. Milone, A. F. Marino, L. R. Bedin, J. Anderson, A. Aparicio, A. Bellini, S. Cassisi, F. D'Antona, S. Hidalgo, S. Ortolani, A. Pietrinferni, A. Renzini, M. Salaris, R. P. van der Marel, E. Vesperini
- arXiv.org - Astrophysics - Volume: 2015, Issue: 1 May
- arXiv:1504.07876 [pdf, ps, other]
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. I. Overview of the Project and Detection of Multiple Stellar Populations
- Volume 10, Issue 9 - article #8
- G. Piotto, A. P. Milone, L. R. Bedin, J. Anderson, I. R. King, A. F. Marino, D. Nardiello, A. Aparicio, B. Barbuy, A. Bellini, T. M. Brown, S. Cassisi, A. M. Cool, A. Cunial, E. Dalessandro, F. D'Antona, F. R. Ferraro, S. Hidalgo, B. Lanzoni, M. Monelli, S. Ortolani, A. Renzini, M. Salaris, A. Sarajedini, R. P. van der Marel, E. Vesperini, and M. Zoccali
- Astronomical Journal - Volume: 149, Issue: 3
- View article PDF (11.62 MB)
A bag of tricks: Using proper motions of Galactic stars to identify the Hercules ultra-faint dwarf galaxy members
- Volume 9, Issue 24 - article #37
- M. Fabrizio, G. Raimondo, E. Brocato, A. Bellini, M. Libralato, V. Testa, M. Cantiello, I. Musella, G. Clementini, R. Carini, et al. (6 more) M. Marconi, G. Piotto, V. Ripepi, R. Buonanno, E. Sani and R. Speziali
- Astronomy and Astrophysics - Volume: 570, Issue: October 2014
- http://dx.doi.org/10.1051/0004-6361/201423792
  Abstract Full HTML PDF (9.146 MB) ePUB (2.294 MB) References Tables at CDS SIMBAD record NASA ADS Abstract Service
The halo+cluster system of the Galactic globular cluster NGC1851
- Volume 9, Issue 20 - article #139
- A. F. Marino, A. P. Milone, D. Yong, A. Dotter, G. Da Costa, M. Asplund, H. Jerjen, D. Mackey, J. Norris, S. Cassisi, L. Sbordone, P. B. Stetson, A. Weiss, A. Aparicio, L. R. Bedin, K. Lind, M. Monelli, G. Piotto, R. Angeloni, R. Buonanno
- arXiv.org - Astrophysics - Volume: 2014, Issue: 6 Jun
- arXiv:1406.0944 [pdf, ps, other]
The halo+cluster system of the Galactic globular cluster NGC 1851
- Volume 9, Issue 20 - article #164
- A. F. Marino, A. P. Milone, D. Yong, A. Dotter, G. Da Costa, M. Asplund, H. Jerjen, D. Mackey, J. Norris, S. Cassisi, L. Sbordone, P. B. Stetson, A. Weiss, A. Aparicio, L. R. Bedin, K. Lind, M. Monelli, G. Piotto, R. Angeloni, and R. Buonanno
- Monthly Notices of the Royal Astronomical Society - Volume: 442, Issue: 4
- Abstract Full Text (HTML) Full Text (PDF)
Ground-based astrometry with wide field imagers - V. Application to near-infrared detectors: HAWK-I@VLT/ESO
- Volume 9, Issue 16 - article #14
- M. Libralato, A. Bellini, L. R. Bedin, G. Piotto, I. Platais, M. Kissler-Patig and A. P. Milone
- Astronomy and Astrophysics - Volume: 563, Issue: March 2014
- http://dx.doi.org/10.1051/0004-6361/201322059
  Abstract Full HTML PDF (30.27 MB) References Tables at CDS NASA ADS Abstract Service
The M4 Core Project with HST -- II. Multiple Stellar Populations at the Bottom of the Main Sequence
- Volume 9, Issue 2 - article #14
- A. P. Milone, A. F. Marino, L. R. Bedin, G. Piotto, S. Cassisi, A. Dieball, J. Anderson, H. Jerjen, M. Asplund, A. Bellini, K. Brogaard, A. Dotter, M. Giersz, D. C. Heggie, C. Knigge, R. M. Rich, M. van den Berg, R. Buonanno
- arXiv.org - Astrophysics - Volume: 2014, Issue: 10 Jan
- arXiv:1401.1091 [pdf, ps, other]
The M 4 Core Project with HST: I. Overview and first epoch
- Volume 8, Issue 50 - article #11
- L.R. Bedin, J. Anderson, D.C. Heggie, G. Piotto, A.P. Milone, M. Giersz, V. Nascimbeni, A. Bellini, R.M. Rich, M. van den Berg, D. Pooley, K. Brogaard, S. Ortolani, L. Malavolta, L. Ubeda and A.F. Marino
- Astronomische Nachrichten - Volume: 334, Issue: 10
- Abstract PDF(1997K)References Request Permissions
The SUMO project I. A survey of multiple populations in globular clusters
- Volume 8, Issue 12 - article #9
- M. Monelli, A. P. Milone, P. B. Stetson, A. F. Marino, S. Cassisi, A. Del Pino Molina, M. Salaris, A. Aparicio, M. Asplund, F. Grundahl, G. Piotto, A. Weiss, R. Carrera, M. Cebrian, S. Murabito, A. Pietrinferni, L. Sbordone
- arXiv.org - Astrophysics - Volume: 2013, Issue: 22 Mar
- arXiv:1303.5187 [pdf, ps, other]
The Intriguing Stellar Populations in the Globular Clusters NGC 6388 and NGC 6441
- Volume 8, Issue 10 - article #13
- A. Bellini, G. Piotto, A. P. Milone, I. R. King, A. Renzini, S. Cassisi, J. Anderson, L. R. Bedin, D. Nardiello, A. Pietrinferni, and A. Sarajedini
- The Astrophysical Journal - Volume: 765, Issue: 1
- Abstract References Full text PDF (16.97 MB) Enhanced article HTML
Hubble Space Telescope Observations of an Outer Field in Omega Centauri: A Definitive Helium Abundance
- Volume 7, Issue 51 - article #14
- I. R. King, L. R. Bedin, S. Cassisi, A. P. Milone, A. Bellini, G. Piotto, J. Anderson, A. Pietrinferni, and D. Cordier
- Astronomical Journal - Volume: 144, Issue: 1
- doi:10.1088/0004-6256/144/1/5 Tag this article
Spectroscopy of horizontal branch stars in ω Centauri
- Volume 7, Issue 51 - article #72
- C. Moni Bidin, S. Villanova, G. Piotto, S. Moehler, S. Cassisi and Y. Momany
- Astronomy and Astrophysics - Volume: 547, Issue: November 2012
- http://dx.doi.org/10.1051/0004-6361/201220031
  Abstract | Full HTML | PDF (4.782 MB) | References | Online Material | Tables at CDS | NASA ADS Abstract Service
Spectroscopy of horizontal branch stars in Omega Centauri
- Volume 7, 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 Infrared Eye of the Wide-Field Camera 3 on the Hubble Space Telescope Reveals Multiple Main Sequences of Very Low Mass Stars in NGC 2808
- Volume 7, Issue 29 - article #29
- A. P. Milone, A. F. Marino, S. Cassisi, G. Piotto, L. R. Bedin, J. Anderson, F. Allard, A. Aparicio, A. Bellini, R. Buonanno, M. Monelli, and A. Pietrinferni
- The Astrophysical Journal Letters - Volume: 754, Issue: 2
- Abstract References Full text PDF (1.43 MB) View as HTML
Abundance analysis of four members of the metal-rich open cluster NGC 6253
- Volume 7, Issue 27 - article #22
- 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
- Volume 7, Issue 15 - article #33
- 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 double sub-giant branch of NGC 6656 (M22): a chemical characterization
- Volume 7, Issue 7 - article #16
- A. F. Marino, A. P. Milone, C. Sneden, M. Bergemann, R. P. Kraft, G. Wallerstein, S. Cassisi, A. Aparicio, M. Asplund, R. L. Bedin, M. Hilker, K. Lind, Y. Momany, G. Piotto, I. U. Roederer, P. B. Stetson, M. Zoccali
- arXiv.org - Astrophysics - Volume: 2012, Issue: 17 Feb
- arXiv:1202.2825 [pdf, other]
Multiple Stellar Populations in 47 Tucanae
- Volume 7, Issue 2 - article #41
- A. P. Milone, G. Piotto, L. R. Bedin, I. R. King, J. Anderson, A. F. Marino, A. Bellini, R. Gratton, A. Renzini, P. B. Stetson, S. Cassisi, A. Aparicio, A. Bragaglia, E. Carretta, F. D'Antona, M. Di Criscienzo, S. Lucatello, M. Monelli and A. Pietrinferni
- The Astrophysical Journal - Volume: 744, Issue: 1
- Abstract References Full text PDF (10.69 MB) View as HTML
The C+N+O abundance of Omega Centauri giant stars: implications on the chemical enrichment scenario and the relative ages of different stellar populations
- Volume 6, Issue 45 - article #11
- 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]
The ACS Survey of Galactic Globular Clusters. XII. Photometric Binaries along the Main-Sequence
- Volume 6, Issue 44 - article #12
- A. P. Milone, G. Piotto, L. R. Bedin, A. Aparicio, J. Anderson, A. Sarajedini, A. F. Marino, A. Moretti, M. B. Davies, B. Chaboyer, A. Dotter, M. Hempel, A. Marin-Franch, S. Majewski, N. E. Q. Paust, I. N. Reid, A. Rosenberg, M. Siegel
- arXiv.org - Astrophysics - Volume: 2011, Issue: 4 Nov
- arXiv:1111.0552 [pdf, ps, other]
Multiple stellar populations in 47 Tucanae
- Volume 6, Issue 36 - article #12
- A. P. Milone, G. Piotto, L. R. Bedin, I. R. King, J. Anderson, A. F. Marino, A. Bellini, R. Gratton, A. Renzini, P. B. Stetson, S. Cassisi, A. Aparicio, A. Bragaglia, E. Carretta, F. D'Antona, M. Di Criscienzo, S. Lucatello, M. Monelli, A. Pietrinferni
- arXiv.org - Astrophysics - Volume: 2011, Issue: 9 Sep
- arXiv:1109.0900 [pdf, ps, other]
The Peculiar Properties of Horizontal-branch Stars in ω Centauri
- Volume 6, Issue 36 - article #40
- C. Moni Bidin, S. Villanova, G. Piotto, S. Moehler and F. D'Antona
- The Astrophysical Journal Letters - Volume: 738, Issue: 1
- Abstract References Full text PDF (321 KB) View as HTML
Luminosity and mass functions of the three main sequences of the globular cluster NGC 2808
- Volume 6, Issue 32 - article #7
- A. P. Milone, G. Piotto, L. R. Bedin, S. Cassisi, J. Anderson, A. F. Marino, A. Pietrinferni, A. Aparicio
- arXiv.org - Astrophysics - Volume: 2011, Issue: 12 Aug
- arXiv:1108.2391 [pdf, ps, other]
Multiple stellar populations in the Globular Clusters NGC1851 and NGC6656 (M22)
- Volume 6, Issue 28 - article #10
- A. P. Milone, G. Piotto, R. L. Bedin, A. F. Marino, Y. Momany, S. Villanova
- arXiv.org - Astrophysics - Volume: 2011, Issue: 15 Jul
- arXiv:1107.2056 [pdf, ps, other]
Sodium–Oxygen Anticorrelation Among Horizontal Branch Stars in the Globular Cluster M4
- Volume 6, Issue 23 - article #55
- 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
The two metallicity groups of the globular cluster M22: a chemical perspective
- Volume 6, Issue 19 - article #18
- A. F. Marino, C. Sneden, R. P. Kraft, G. Wallerstein, J. E. Norris, G. Da Costa, A. P. Milone, I. I. Ivans, G. Gonzalez, J. P. Fulbright, M. Hilker, G. Piotto, M. Zoccali, P. B. Stetson
- arXiv.org - Astrophysics - Volume: 2011, Issue: 13 May
- arXiv:1105.1523 [pdf, other]
Sodium–Oxygen Anticorrelation and Neutron-capture Elements in Omega Centauri Stellar Populations
- Volume 6, Issue 12 - article #17
- 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
Sodium-Oxygen anticorrelation among Horizontal Branch Stars in the Globular Cluster M4
- Volume 5, Issue 52 - article #12
- 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]
The end of the white dwarf cooling sequence in M 67
- Volume 5, Issue 4 - article #15
- A. Bellini, L. R. Bedin, G. Piotto, M. Salaris, J. Anderson, E. Brocato, R. Ragazzoni, S. Ortolani, A. Z. Bonanos, I. Platais, R. Gilliland, G. Raimondo, A. Bragaglia, M. Tosi, S. Gallozzi, V. Testa, C. S. Kochanek, E. Giallongo, A. Baruffolo, J. Farinato, E. Diolaiti, R. Speziali, G. Carraro, R. K. S. Yadav
- arXiv.org - Astrophysics - Volume: 2010, Issue: 22 Jan
- arXiv:1001.3827 [ps, pdf, other]
Chemical composition of stellar populations in Omega Centauri
- Volume 5, Issue 3 - article #5
- 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]
The Bottom of the White Dwarf Cooling Sequence in the Old Open Cluster NGC 2158
- Volume 4, Issue 51 - article #32
- <em >L. R. Bedin, M. Salaris, I. R. King, G. Piotto, J. Anderson, and S. Cassisi</em&gt,
- The Astrophysical Journal Letters - Volume: 708, Issue: 1
- Abstract | References
Multiple stellar populations in the Galactic globular cluster NGC 6752
- Volume 4, Issue 50 - article #8
- 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]
Radial distribution of the multiple stellar populations in $mathsf{omega}$ Centauri 
- Volume 4, Issue 48 - article #22
- A. Bellini, G. Piotto, L. R. Bedin, I. R. King, J. Anderson, A. P. Milone, and Y. Momany
- Astronomy and Astrophysics - Volume: 507, Issue: 3
- Abstract | PDF file (4.926 MB) | PS file (42.72 MB)
BVRIJHK photometry and proper motion analysis of NGC 6253 and the surrounding field
- Volume 4, Issue 42 - article #26
- M. Montalto, G. Piotto, S. Desidera, I. Platais, G. Carraro, Y. Momany, F. De Marchi, and A. Recio-Blanco
- Astronomy and Astrophysics - Volume: 505, Issue: 3
- Abstract | PDF file (972.5 KB) | PS file (1.016 MB)
Na-O anticorrelation and HB - VII. The chemical composition of first and second-generation stars in 15 globular clusters from GIRAFFE spectra
- Volume 4, Issue 40 - article #16
- E. Carretta, A. Bragaglia, R. G. Gratton, S. Lucatello, G. Catanzaro, F. Leone, M. Bellazzini, R. Claudi, V. D'Orazi, Y. Momany, S. Ortolani, E. Pancino, G. Piotto, A. Recio-Blanco, and E. Sabbi
- Astronomy and Astrophysics - Volume: 505, Issue: 1
- Abstract | PDF file (820.5 KB) | PS file (470.3 KB)
Na-O Anticorrelation and HB. VII. The chemical composition of first and second-generation stars in 15 globular clusters from GIRAFFE spectra
- Volume 4, Issue 38 - article #7
- E. Carretta, A. Bragaglia, R.G. Gratton, S. Lucatello, G. Catanzaro, F. Leone, M. Bellazzini, R. Claudi, V. D'Orazi, Y. Momany, S. Ortolani, E. Pancino, G. Piotto, A. Recio-Blanco, E. Sabbi
- arXiv.org - Astrophysics - Volume: 2009, Issue: 18 Sep
- arXiv:0909.2938 [ps, pdf, other]
The radial distribution of the two stellar populations in NGC 1851
- Volume 4, Issue 36 - article #25
- A. P. Milone, P. B. Stetson, G. Piotto, L. R. Bedin, J. Anderson, S. Cassisi, and M. Salaris
- Astronomy and Astrophysics - Volume: 503, Issue: 3
- Abstract | PDF file (5.704 MB) | PS file (6.805 MB)
The helium content of globular clusters: light element abundance correlations and HB morphology - I. NGC 6752
- Volume 4, Issue 23 - article #16
- 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
- Volume 4, 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]
A lack of close binaries among hot horizontal branch stars in globular clusters - M 80 and NGC 5986
- Volume 4, Issue 20 - article #31
- C. Moni Bidin, S. Moehler, G. Piotto, Y. Momany, and A. Recio-Blanco
- Astronomy and Astrophysics - Volume: 498, Issue: 3
- Abstract | PDF file (416.1 KB) | PS file (343.8 KB)
Mixed Populations in Globular Clusters: Et Tu, 47 Tuc?
- Volume 4, Issue 19 - article #31
- <em >J. Anderson, G. Piotto, I. R. King, L. R. Bedin, and P. Guhathakurta</em&gt,
- The Astrophysical Journal Letters - Volume: 697, Issue: 1
- Abstract | References
The Helium content of Globular Clusters: light element abundance correlations and HB morphology. I. NGC6752
- Volume 4, Issue 13 - article #35
- S. Villanova, G. Piotto, R.G. Gratton
- arXiv.org - Astrophysics - Volume: 2009, Issue: 27 Mar
- arXiv:0903.3924 [pdf]
A lack of close binaries among hot horizontal branch stars in globular clusters - M80 and NGC5986
- Volume 4, Issue 11 - article #2
- C. Moni Bidin, S. Moehler, G. Piotto, Y. Momany, A. Recio-Blanco
- arXiv.org - Astrophysics - Volume: 2009, Issue: 13 Mar
- arXiv:0903.2072 [ps, pdf, other]
A search for spectroscopic binaries in the Galactic globular cluster M4 - Based on 5973 individual spectra collected at VLT
- Volume 4, Issue 4 - article #21
- V. Sommariva, G. Piotto, M. Rejkuba, L. R. Bedin, D. C. Heggie, R. D. Mathieu, and S. Villanova
- Astronomy and Astrophysics - Volume: 493, Issue: 3
- Abstract | PDF file (1.421 MB) | PS file (847.4 KB)
Ground-based CCD astrometry with wide field imagers - III. WFI@2.2m proper-motion catalog of the globular cluster $omega$ Centauri
- Volume 4, Issue 4 - article #24
- A. Bellini, G. Piotto, L. R. Bedin, J. Anderson, I. Platais, Y. Momany, A. Moretti, A. P. Milone, and S. Ortolani
- Astronomy and Astrophysics - Volume: 493, Issue: 3
- Abstract | PDF file (5.982 MB) | PS file (6.505 MB)
Multiple stellar populations in Magellanic Clouds clusters. I. An ordinary feature for intermediate age globulars in the LMC?
- Volume 3, Issue 42 - article #9
- A.P. Milone, L.R. Bedin, G. Piotto, J. Anderson
- arXiv.org - Astrophysics - Volume: 2008, Issue: 16 Oct
- arXiv:0810.2558 [ps, pdf, other]
Spectroscopic and Photometric evidence of two stellar populations in the Galactic Globular Cluster NGC6121 (M4)
- Volume 3, Issue 33 - article #11
- 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]
Blue Straggler Stars in the Unusual Globular Cluster NGC 6388
- Volume 3, Issue 15 - article #24
- E. Dalessandro, B. Lanzoni, F. R. Ferraro, R. T. Rood, A. Milone, G. Piotto, and E. Valenti
- The Astrophysical Journal - Volume: 677, Issue: 2
- Abstract-Full Text with Enhancements-PDF Version (8560 kB)
The ACS Survey of Galactic Globular Clusters. III. The Double Subgiant Branch of NGC 1851
- Volume 3, Issue 3 - article #30
- A. P. Milone, L. R. Bedin, G. Piotto, J. Anderson, I. R. King, A. Sarajedini, A. Dotter, B. Chaboyer, A. Marín‐Franch, S. Majewski, A. Aparicio, M. Hempel, N. E. Q. Paust, I. N. Reid, A. Rosenberg, and M. Siegel
- The Astrophysical Journal - Volume: 673, Issue: 1
- Abstract-Full Text-PDF Version (2836 kB)
Blue Straggler Stars in the Unusual Globular Cluster NGC 6388
- Volume 3, Issue 1 - article #8
- E. Dalessandro, B. Lanzoni, F.R. Ferraro, R.T. Rood, A. Milone, G. Piotto, E. Valenti
- arXiv.org - Astrophysics - Volume: 2008, Issue: 3 Jan
- arXiv:0712.4272 [ps, pdf, other]
Blue Straggler Stars in the Unusual Globular Cluster NGC 6388
- Volume 2, Issue 52 - article #9
- E. Dalessandro, B. Lanzoni, F.R. Ferraro, R.T. Rood, A. Milone, G. Piotto, E. Valenti
- arXiv.org - Astrophysics - Volume: 2007, Issue: 27 Dec
- arXiv:0712.4272 [ps, pdf, other]
Discovery of Carbon/Oxygen-depleted Blue Straggler Stars in 47 Tucanae: The Chemical Signature of a Mass Transfer Formation Process
- Volume 2, Issue 46 - article #8
- F. R. Ferraro, E. Sabbi, R. Gratton, G. Piotto, B. Lanzoni, E. Carretta, R. T. Rood, Alison Sills, F. Fusi Pecci, S. Moehler, G. Beccari, S. Lucatello, and N. Compagni
- The Astrophysical Journal Letters - Volume: 647, Issue: 1
- ABSTRACT | FULL TEXT | PDF (337 kB) | PS
The peculiar horizontal branch morphology of the Galactic globular clusters NGC 6388 and NGC 6441: new insights from UV observations
- Volume 2, Issue 40 - article #26
- G. Busso, S. Cassisi, G. Piotto, M. Castellani, M. Romaniello, M. Catelan, S. G. Djorgovski, A. Recio Blanco, A. Renzini, M. R. Rich, A. V. Sweigart, and M. Zoccali
- Astronomy and Astrophysics - Volume: 474, Issue: 1
- Abstract | PDF file (2.331 MB) | PS file (1.080 MB)
The ACS Survey of Galactic Globular Clusters. III. The Double Subgiant Branch of NGC 1851
- Volume 2, Issue 39 - article #33
- A. P. Milone, L. R. Bedin, G. Piotto, J. Anderson, I. R. King, A. Sarajedini, A. Dotter, B. Chaboyer, A. Marin-Franch, S. Majewski, A. Aparicio, M. Hempel, N. E. Q. Paust, I. N. Reid, A. Rosenberg, M. Siegel
- arXiv.org - Astrophysics - Volume: 2007, Issue: 27 Sep
- arXiv:0709.3762 [ps, pdf, other]
Spectroscopy of horizontal branch stars in NGC6752 - Anomalous results on atmospheric parameters and masses
- Volume 2, Issue 33 - article #4
- C. Moni Bidin, S. Moehler, G. Piotto, Y. Momany, A. Recio-Blanco
- ArXiv - Astrophysics
- arXiv:0708.1521 [ps, pdf, other]
The Multiplicity of the Subgiant Branch of ω Centauri: Evidence for Prolonged Star Formation
- Volume 2, Issue 26 - article #3
- S. Villanova, G. Piotto, I. R. King, J. Anderson, L. R. Bedin, R. G. Gratton, S. Cassisi, Y. Momany, A. Bellini, A. M. Cool, A. Recio-Blanco, and A. Renzini
- The Astrophysical Journal - Volume663, Issue 1
- ABSTRACT, FULL TEXT WITH ENHANCEMENTS, PDF (4654 kB), PS
A Triple Main Sequence in the Globular Cluster NGC 2808
- Volume 2, Issue 13 - article #6
- G. Piotto, L. R. Bedin, J. Anderson, I. R. King, S. Cassisi, A. P. Milone, S. Villanova, A. Pietrinferni, A. Renzini
- ArXiv - Astrophysics
- astro-ph/0703767 [abs, ps, pdf, other]
The multiplicity of the subgiant branch of Omega Centauri: Evidence for prolonged star formation
- Volume 2, Issue 11 - article #24
- S. Villanova, G. Piotto, I. R. King, J. Anderson, L. R. Bedin, R. G. Gratton, S. Cassisi, Y. Momany, A. Bellini, A. M. Cool, A. Recio-Blanco, A. Renzini
- ArXiv - Astrophysics
- astro-ph/0703208 [abs, ps, pdf, other]
The ACS Survey of Galactic Globular Clusters. I. Overview and Clusters Without Previous HST Photometry
- Volume 1, Issue 48 - article #9
- Ata Sarajedini, L. Bedin, B. Chaboyer, A. Dotter, M. Siegel, J. Anderson, A. Aparicio, I. King, S. Majewski, A. Marin-Franch, G. Piotto, I. N. Reid, A. Rosenberg
- ArXiv - Astrophysics
- astro-ph/0612598 [abs, ps, pdf, other]
The ACS Survey of Galactic Globular Clusters. I. Overview and Clusters Without Previous HST Photometry
- Volume 1, Issue 47 - article #12
- Ata Sarajedini, L. Bedin, B. Chaboyer, A. Dotter, M. Siegel, J. Anderson, A. Aparicio, I. King, S. Majewski, A. Marin-Franch, G. Piotto, I. N. Reid, A. Rosenberg
- ArXiv - Astrophysics
- astro-ph/0612598 [abs, ps, pdf, other]
Discovery of Carbon/Oxygen depleted Blue Straggler Stars in 47 Tucanae: the chemical signature of a mass-transfer formation process
- Volume 1, Issue 36 - article #1
- F.R. Ferraro, E. Sabbi, R. Gratton, G. Piotto, B. Lanzoni, E. Carretta, R.T. Rood, A. Sills, F. Fusi Pecci, S. Moehler, G. Beccari, S. Lucatello, N. Compagni
- ArXiv - Astrophysics
- astro-ph/0610081 [abs, ps, pdf, other]
Absolute motions of globular clusters - II. HST astrometry and VLT radial velocities in NGC 6397
- Volume 1, Issue 31 - article #17
- A. P. Milone, S. Villanova, L. R. Bedin, G. Piotto, G. Carraro, J. Anderson, I. R. King and S. Zaggia
- Astronomy and Astrophysics - Volume 456, Issue 2 - September, 2006
- Abstract, Full HTML, PDF file (546 KB), PS file (210 KB), References
Search and analysis of blue straggler stars in open clusters
- Volume 1, Issue 30 - article #7
- F. De Marchi, F. De Angeli, G. Piotto, G. Carraro, M. B. Davies
- astro-ph/0608464 [abs, ps, pdf, other]
Multivariate analysis of globular cluster horizontal branch morphology: searching for the second parameter
- Volume 1, Issue 20 - article #12
- A. Recio-Blanco, A. Aparicio, G. Piotto, F. De Angeli and S. G. Djorgovski
- Astronomy and Astrophysics - Volume 452, Issue 3 - June, 2006
- Abstract, Full HTML, PDF file (306 KB), PS file (163 KB), References
Outer structure of the Galactic warp and flare: explaining the Canis Major over-density
- Volume 1, Issue 15 - article #25
- Y. Momany, S. Zaggia, G. Gilmore, G. Piotto, G. Carraro, L. R. Bedin and F. De Angeli
- Astronomy and Astrophysics - Volume 451, Issue 2 - May, 2006
- Abstract, Full HTML, PDF file (4.90 MB), PS file (2.59 MB), References

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