Proton capture elements in the globular cluster NGC 2808 I. First detection of large variations in sodium abundances along the Red Giant Branch

Astronomy and Astrophysics

Volumn 410, Issue 1, 2003, Pages 143-154

  Carretta, E ^a   Bragaglia, A ^b   Cacciari, C ^b   Rossetti, E ^b  

^a INAF OSSERVATORIO ASTRONOMICO DI PADOVA   (Italy)

^b OSSERVATORIO ASTRONOMICO DI BOLOGNA   (Italy)

Author keywords

Galaxy: globular clusters: general; Galaxy: globular clusters: individual: NGC 2808; Stars: abundances; Stars: evolution; Stars: population II

Indexed keywords

GALAXIES; PROTONS; SODIUM; SPECTROGRAPHS; SPECTRUM ANALYSIS;

GLOBAL CLUSTERS; RED GIANT BRANCH; STARS;

ASTROPHYSICS;

EID: 0142122385     PISSN: 00046361     EISSN: None     Source Type: Journal    
DOI: 10.1051/0004-6361:20031315     Document Type: Article

References (40)

1. Alonso, A., Arribas, S., & Martinez-Roger, C. 1999, A&AS, 140, 261
2. Alonso, A., Arribas, S., & Martinez-Roger, C. 2001, A&A, 376, 1039
3. Bell, R. A., Eriksson, K., Gustafsson, B., & Nordlund, A. 1976, A&AS, 23, 37
4. Bragaglia, A., Carretta, E., Gratton, R. G., et al. 2001, AJ, 121, 327
5. Bruls, J. H. M., Rutten, R. J., & Shchukina, N. G. 1992, A&A, 265, 237
6. Cacciari, C., Bragaglia, A., Rossetti, E., et al. 2003, A&A, in press
7. Cannon, R. D., Croke, B. F. W., Bell, R. A., Hesser, J. E., & Stathakis, R. A. 1998, MNRAS, 298, 601
8. Cardelli, J. A., Clayton, G. C., & Mathis, J. S. 1989, ApJ, 345, 245
9. Carretta, E., & Gratton, R. G. 1997, A&AS, 121, 95
10. Carretta, E., Gratton, R. G., Bragaglia, A., Bonifacio, P., & Pasquini, L. 2003a, A&A, submitted
11. Carretta, E., Bragaglia, A., Cacciari, C., Mulas, G., & Rossetti, E. 2003b in preparation
12. Cottrell, P. L., & Da Costa, G. S. 1981, ApJ, 245, L79
13. Cudworth, K. M. 1976, AJ, 81, 519
14. Cudworth, K. M., & Monet, D. G. 1979, AJ, 84, 774
15. D'Antona, F., Caloi, V., Moltalban, J., Ventura, P., & Gratton, R. G. 2002, A&A, 395, 69
16. D'Antona, F., Gratton, R. G., & Chieffi, A. 1983, MSAIt, 54, 173
17. Denisenkov, P. A., & Denisenkova, S. N. 1990, Soviet Astron. Lett., 16, 275
18. Gratton, R. G. 1982, A&A, 115, 171
19. Gratton, R. G., Bonifacio, P., Bragaglia, A., et al. 2001, A&A, 369, 87
20. Gratton, R. G., Carretta, E., Eriksson, K., & Gustafsson, B. 1999, A&A, 350, 955
21. Gratton, R. G., Sneden, C., Carretta, E., & Bragaglia, A. 2000, A&A, 345, 169
22. Harris, W. E. 1996, AJ, 112, 1487 (2003, update in http://physun.physics.mcmaster.ca/Globular.htm1)
23. Ivans, I., Kraft, R. P., Sneden, C., et al. 2001, AJ, 122, 1438
24. Ivans, I., Sneden, C., Kraft, R. P., et al. 1999, AJ, 118, 1273
25. Kraft, R. P. 1994, PASP, 106, 553
26. Kraft, R. P., Sneden, C., Smith, G. H., et al. 1997, AJ, 113, 279
27. Karucz, R. L. 1995, CD-ROM 13, Smithsonian Astrophysical Observatory, Cambridge
28. Langer, G. E., Hoffman, R., & Sneden, C. 1993, PASP 105, 301
29. Lyons, M. A., Kemp, S. N., Bates, B., & Shaw, C. R. 1996, MNRAS, 280, 835
30. McWilliam, A., Preston, G. W., Sneden, C., & Searle, L. 1995, AJ, 109, 2757
31. Osborn, W. 1971, Observatory, 91, 223
32. Pasquini, L., Avila, G., Blecha, A., et al. 2002, The ESO Messenger, 110, 1
33. Pilachowski, C. A., Sneden, C., & Kraft, R. P. 1996a, AJ, 111, 1689
34. Pilachowski, C. A., Sneden, C., Kraft, R. P., & Langer, G. E. 1996b, AJ, 112, 545
35. Rees, R. 1992, AJ, 103, 1573
36. Sandquist, E. L. Bolte, M., Stetson, P. B., & Hesser, J. E. 1996, ApJ, 470, 910
37. Smith, G. H. 1987, PASP, 99, 67
38. Sneden, C., Pilachowski, C. A., & Kraft, R. P. 2000, 120, 1351
39. Ventura, P., D'Antona, F., Mazzitelli, I., & Gratton, R. 2001, ApJ, 550, 65
40. Walker, A. R. 1999, AJ, 118, 432