The helium content of globular clusters: NGC6121 (M4)

Astrophysical Journal

Volumn 748, Issue 1, 2012, Pages

  Villanova, S ^a   Geisler, D ^a   Piotto, G ^b   Gratton, R G ^c  

^a UNIVERSITY OF CONCEPCIÓN   (Chile)

^b UNIVERSITY OF PADOVA   (Italy)

^c INAF OSSERVATORIO ASTRONOMICO DI PADOVA   (Italy)

Author keywords

globular clusters: individual (NGC 6121); stars: abundances

Indexed keywords

EID: 84858019198     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1088/0004-637X/748/1/62     Document Type: Article

References (62)

1. Ballester, P., Modigliani, A., & Boitquin, O. et al. 2000, The Messenger, 101, 31
2. Bedin, L. R., Piotto, G., & Anderson, J. et al. 2004, ApJ, 605, 125
3. Behr, B. B. 2003, ApJS, 149, 67
4. Bragaglia, A., Carretta, E., & Gratton, R. G. et al. 2010, ApJ, 720, L41
5. Busso, G., Cassisi, S., & Piotto, G. et al. 2007, A&A, 474, 105
6. Caloi, V. & D'Antona, F. 2011, MNRAS, 417, 228
7. Carretta, E., Bragaglia, A., & Gratton, R. G. et al. 2009, A&A, 505, 117
8. Carretta, E., Bragaglia, A., & Gratton, R. et al. 2010a, ApJ, 712, 21
9. Carretta, E., Bragaglia, A., Gratton, R. G., Lucatello, S., & Momany, Y. 2007a, A&A, 464, 927
10. Carretta, E., Gratton, R. G., & Lucatello, S. et al. 2010b, ApJ, 722, 1
11. Carretta, E., Recio-Blanco, A., Gratton, R. G., Piotto, G., & Bragaglia, A. 2007b, ApJ, 671, 125
12. Catelan, M. & de Freitas Pacheco, J. A. 1995, A&A, 297, 345
13. Catelan, M., Grundahl, F., Sweigart, A. V., Valcarce, A. A. R., & Cortés, C. 2009, ApJ, 695, 97
14. D'Antona, F., Bellazzini, M., & Caloi, V. et al. 2005, ApJ, 631, 868
15. D'Antona, F., Caloi, V., Montalbán, J., Ventura, P., & Gratton, R. 2002, A&A, 395, 69
16. D'Antona, F. & Ventura, P. 2007, MNRAS, 379, 1431
17. D'Ercole, A., Vesperini, E., D'Antona, F., McMillan, S. L. W., & Recchi, S. 2008, MNRAS, 391, 825
18. Decressin, T., Meynet, G., Charbonnel, C., Prantzos, N., & Ekstrom, S. 2007, A&A, 464, 1029
19. de Mink, S. E., Pols, O. R., Langer, N., & Izzard, R. G. 2009, A&A, 507, 1
20. Dotter, A., Sarajedini, A., & Anderson, J. et al. 2010, ApJ, 708, 698
21. Dupree, A. K., Strader, J., & Smith, G. 2011, ApJ, 728, 155
22. Flower, P. J. 1996, ApJ, 469, 355
23. Gratton, R. G., Bonifacio, P., & Bragaglia, A. et al. 2001, A&A, 369, 87
24. Gratton, R. G., Carretta, E., Bragaglia, A., Lucatello, S., & D'Orazi, V. 2010, A&A, 517, 81
25. Gratton, R. G., Lucatello, S., & Carretta, E. et al. 2012, arXiv:1201.1772
26. Gratton, R., Sneden, C., & Carretta, E. 2004, ARA&A, 42, 385
27. Gratton, R. G., Sneden, C., Carretta, E., & Bragaglia, A. 2000, A&A, 354, 169
28. Grundahl, F., Catelan, M., Landsman, W. B., Stetson, P. B., & Andersen, M. I. 1999, ApJ, 524, 242
29. Harris, W. E. 1996, AJ, 112, 1487
30. Kurucz, R. L. 1992, Proc. IAU Symp. 149, The Stellar Populations of Galaxies, ed. B. Barbuy & A. Renzini (Dordrecht: Kluwer), 225
31. Langer, G. E., Hoffman, R., & Sneden, C. 1993, PASP, 105, 301
32. Marino, A. F., Villanova, S., & Milone, A. P. et al. 2011, ApJ, 730, 16
33. Marino, A. F., Villanova, S., & Piotto, G. et al. 2008, A&A, 490, 625
34. Mashonkina, L. I. 2011, arXiv:1104.4403
35. Mashonkina, L. I., Shimanskii, V. V., & Sakhibullin, N. A. 2000, Astron. Rep., 44, 790
36. Milone, A. P., Bedin, L. R., & Piotto, G. et al. 2008, ApJ, 673, 241
37. Momany, Y., Cassisi, S., & Piotto, G. et al. 2003, A&A, 407, 303
38. Moni Bidin, C., Moehler, S., Piotto, G., Momany, Y., & Recio-Blanco, A. 2007, A&A, 474, 505
39. Norris, J. E. 1981, ApJ, 248, 177
40. Norris, J. E. 2004, ApJ, 612, 25
41. Pace, G., Recio-Blanco, A., Piotto, G., & Momany, Y. 2006, A&A, 452, 493
42. Pasquini, L., Mauas, P., Kaufl, H. U., & Cacciari, C. 2011, A&A, 531, 35
43. Peterson, R. C., Rees, R. F., & Cudworth, K. M. 1995, ApJ, 443, 124
44. Piotto, G., Bedin, L. R., & Anderson, J. et al. 2007, ApJ, 661, 53
45. Piotto, G., Villanova, S., & Bedin, L. R. et al. 2005, ApJ, 621, 777
46. Prantzos, N., Charbonnel, C., & Iliadis, C. 2007, A&A, 470, 179
47. Qiu, H. M., Zhao, G., Chen, Y. Q., & Li, Z. W. 2001, ApJ, 548, 953
48. Renzini, A. 2008, MNRAS, 391, 354
49. Rood, R. T. 1973, ApJ, 184, 815
50. Salaris, M., Cassisi, S., & Pietrinferni, A. 2008, ApJ, 678, 25
51. Sarajedini, A., Bedin, L. R., & Chaboyer, B. et al. 2007, AJ, 133, 1658
52. Sneden, C. 1973, ApJ, 184, 839
53. Sommariva, V., Piotto, G., & Rejkuba, M. et al. 2009, A&A, 493, 947
54. Stetson, P. B. 2000, PASP, 112, 925
55. Sweigart, A. V. 1997, ApJS, 65, 95
56. Takeda, Y. 1997, PASJ, 49, 471
57. Villanova, S., Carraro, G., & Saviane, I. 2009a, A&A, 504, 845
58. Villanova, S. & Geisler, D. 2011, A&A, 535, 31
59. Villanova, S., Geisler, D., & Piotto, G. 2010, ApJ, 722, 18
60. Villanova, S., Piotto, G., & Gratton, R. G. 2009b, A&A, 499, 755
61. Villanova, S., Piotto, G., & King, I. R. et al. 2007, ApJ, 663, 296
62. Yuce, K., Castelli, F., & Hubrig, S. 2011, A&A, 528, 37