The origin of the double main sequence in ω Centauri: Helium enrichment due to gas fueling from ITS ancient host galaxy?

Astrophysical Journal

Volumn 637, Issue 2 II, 2006, Pages

  Bekki, Kenji ^a   Norris, John E ^b  

^a UNIVERSITY OF NEW SOUTH WALES   (Australia)

^b AUSTRALIAN NATIONAL UNIVERSITY   (Australia)

Author keywords

Globular clusters: general; Globular clusters: individual ( Centauri)

Indexed keywords

EID: 32944480157     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1086/500413     Document Type: Article

References (21)

1. Anderson, J. 1997, Ph.D. thesis, Univ. California, Berkeley
2. Bedin, L. R., Piotto, G., Anderson, J., Cassisi, S., King, I. R., Momany, Y., & Carraro, G. 2004, ApJ, 605, L125
3. Bekki, K. 2005, MNRAS, in press (astro-ph/0512467)
4. Bekki, K., & Freeman, K. C. 2003, MNRAS, 346, L11
5. Chuzhoy, L., & Loeb, A. 2004, MNRAS, 349, L13
6. D'Antona, F., Bellazzini, M., Caloi, V., Pecci, F. F., Galleti, S., & Rood, R. T. 2005, ApJ, 631, 868
7. Fabian, A. C., & Pringle, J. E. 1977, MNRAS, 181, P5
8. Geyer, M. P., & Burkert, A. 2001, MNRAS, 323, 988
9. Haggard, D., et al. 2004, ApJ, 613, 512
10. Kroupa, P., Tout, C. A., & Gilmore, G. 1993, MNRAS, 262, 545
11. Lattanzio, J., Karakas, A., Campbell, S., Elliott, L., & Chieffi, A. 2004, Mem. Soc. Astron. Italiana, 75, 322
12. Lee, Y., et al. 2005, ApJ, 621, L57
13. Loup, C., Forveille, T., Omont, A., & Paul, J. F. 1993, A&AS, 99, 291
14. Meylan, G., Mayor, M., Duquennoy, A., & Dubath, P. 1995, A&A, 303, 761
15. Norris, J. E. 2004, ApJ, 612, L25
16. Piotto, G., et al. 2005, ApJ, 621, 777
17. Schaller, G., Schaerer, D., Meynet, G., & Maeder, A. 1992, A&AS, 96, 269
18. van den Hoek, L. B., & Groenewegen, M. A. T. 1997, A&AS, 123, 305 (VG97)
19. Ventura, P., & D'Antona, F. 2005, A&A, 439, 1075 (VA05)
20. Wilking, B. A., & Lada, C. J. 1983, ApJ, 274, 698
21. Woosley, S. E., & Weaver, T. A. 1995, ApJS, 101, 181 (WW95)