Observations of the hot horizontal-branch stars in the metal-rich bulge globular cluster NGC 6388 Indications of helium enrichment and a lesson in crowded field spectroscopy

Astronomy and Astrophysics

Volumn 455, Issue 3, 2006, Pages 943-952

  Moehler, S ^a,c   Sweigart, A V ^b  

^a UNIVERSITY OF KIEL   (Germany)

^b NASA GODDARD SPACE FLIGHT CENTER   (United States)

^c EUROPEAN SOUTHERN OBSERVATORY   (Germany)

Author keywords

Galaxy: bulge; Globular clusters: individual: NGC 6388; Stars: evolution; Stars: horizontal branch; Techniques: spectroscopic

Indexed keywords

DATA REDUCTION; HELIUM; PARAMETER ESTIMATION; PHOTOMETRY; PROBLEM SOLVING; SAMPLING; SPECTROSCOPIC ANALYSIS;

GALAXY: BULGE; GLOBULAR CLUSTERS: INDIVIDUAL: NGC 6388; STARS: EVOLUTION; STARS: HORIZONTAL-BRANCH; TECHNIQUES: SPECTROSCOPIC;

ASTRONOMY;

EID: 33748316829     PISSN: 00046361     EISSN: 14320746     Source Type: Journal    
DOI: 10.1051/0004-6361:20065427     Document Type: Article

References (37)

1. Anderson, J. 1997, Ph.D. Thesis, Univ. California. Berkeley
2. Bedin, L. R., Piotto, G., Anderson, J., et al. 2004, ApJ, 605, L125
3. Behr, B. B. 2003, ApJS, 149, 67
4. Behr, B. B., Cohen, J. G., McCarthy, J. K., & Djorgovski, S. G. 1999, ApJ, 517, L135
5. Bekki, K., & Norris, J. E. 2006, ApJ, 637, L109
6. Bergeron, P., Saffer, R. A., & Liebert, J. 1992, ApJ, 394, 228
7. Cavallo, R. M., Sweigart, A. V., & Bell, R. A. 1998, ApJ, 492, 575
8. D'Antona, F., & Caloi, V. 2004, ApJ, 611, 871
9. D'Antona, F., Bellazzini, M., Caloi, V., et al. 2005, ApJ, 631, 868
10. Gratton, R. G., Bonifacio, P., Bragaglia, A., et al. 2001, A&A, 369, 87
11. Grebel, E. K., & Roberts, J. W. 1995, A&AS, 109, 293
12. Hamuy, M., Walker, A. R., Suntzeff, N. B., et al. 1992, PASP, 104, 533
13. Horne, K. 1986, PASP, 98, 609
14. Kraft, R. P. 1994, PASP, 106, 553
15. -1 grid, CD-ROM No. 13, http://kurucz.harvard.edu/
16. Layden, A. C., Ritter, L. A., Welch, D. L., & Webb, T. M. A. 1999, AJ, 117, 1313
17. Moehler, S. 2001, PASP, 113, 1162
18. Moehler, S., & Sweigart, A. V. 2006, Bait. Astron. 15, 41
19. Moehler, S., Sweigart, A. V., & Catelan, M. 1999, A&A, 351, 519
20. Moehler, S., Sweigart, A. V., Landsman, W. B., & Heber, U. 2000, A&A, 360, 120
21. Mochler, S., Landsman, W. B. Sweigart, A. V., & Grundahl, F. 2003, A&A, 405, 135
22. Napiwotzki, R., Green, P. J., & Saffer, R. A. 1999, ApJ, 517, 399
23. Morris, J. E. 2004, ApJ, 612, L25
24. Piotto, G., Sosin, C., King, I. R., et al., 1997, in Advances in Stellar Evolution, ed. R. T. Rood & A. Renzini (Cambridge: Cambridge University Press), 84
25. Piotto, G., Villanova, S., Bedin, L. R., et al. 2005, ApJ, 621, 777
26. Pritzl, B., Smith, H. A., Catelan, M., & Sweigart, A. V. 2000, ApJ, 530, L41
27. Pritzl, B., Smith, H. A., Catelan, M., & Sweigart, A. V. 2002, AJ, 124, 949
28. Pych, W. 2004, PASP, 116, 148
29. Raimondo, G., Castellani, V., Cassisi, S., Brocato, E., & Piotto, G. 2002, ApJ, 569, 975
30. Ree, C. H., Yoon, S.-J., Rey, S.-C., & Lee, Y.-W. 2002, in ω Centauri, A Unique Window into Astrophysics, ed. F. van Leeuwen, J. D. Hughes & G. Piotto, ASP Conf. Ser., 265, 101
31. Rich, R. M., Sosin, C., Djorgovski, S. G., et al. 1997, ApJ, 484, L25
32. Saffer, R. A., Bergeron, P., Koester, D., & Liebert, J. 1994, ApJ, 432, 351
33. Sandage, A., & Wildey, R. 1967, ApJ, 150, 469
34. Sweigart, A. V. 2002, in Highlights of Astronomy, ed. H. Rickman (San Francisco: ASP), 292
35. Sweigart, A. V., & Catelan, M. 1998, ApJ, 501, L63 (SC98)
36. Tüg, H. 1977, ESOMe, 11, 7
37. van den Bergh, S. 1967, AJ, 72, 70