Do observed metallicity gradients of early-type galaxies support a hybrid formation scenario?

Astrophysical Journal

Volumn 632, Issue 2 II, 2005, Pages

  Ogando, Ricardo L C ^a   Maia, Marcio A G ^a,b   Chiappini, Cristina ^c   Pellegrini, Paulo S ^a,b   Schiavon, Ricardo P ^d   Da Costa, Luiz N ^b,e  

^a FEDERAL UNIVERSITY OF RIO DE JANEIRO   (Brazil)

^b OBSERVATÓRIO NACIONAL   (Brazil)

^c INAF OSSERVATORIO ASTRONOMICO DI TRIESTE   (Italy)

^d UNIVERSITY OF VIRGINIA   (United States)

^e EUROPEAN SOUTHERN OBSERVATORY   (Germany)

Author keywords

Galaxies: abundances; Galaxies: elliptical and lenticular, cD; Galaxies: evolution; Galaxies: formation

Indexed keywords

EID: 30444446306     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1086/497824     Document Type: Article

References (33)

1. Alonso, M. V., Bernardi, M., da Costa, L. N., Wegner, G., Willmer, C. N. A., Pellegrini, P. S., & Maia, M. A. G. 2003, AJ, 125, 2307
2. Bell, E. F., et al. 2004, ApJ, 608, 752
3. Bernardi, M., Alonso, M. V., da Costa, L. N., Willmer, C. N. A., Wegner, G., Pellegrini, P. S., Rite, C., & Maia, M. A. G. 2002, AJ, 123, 2159
4. Bernardi, M., Renzini, A., da Costa, L. N., Wegner, G., Alonso, M. V., Pellegrini, P. S., Rité, C., & Willmer, C. N. A. 1998, ApJ, 508, L143
5. Carollo, C. M., & Danziger, J. 1994a, MNRAS, 270, 523
6. _. 1994b, MNRAS, 270, 743
7. Carollo, C. M., Danziger, J., & Buson, L. 1993, MNRAS. 265, 553
8. Chiosi, C., & Carraro, G. 2002, MNRAS, 335, 335
9. Cimatti, A., et al. 2004, Nature, 430, 184
10. da Costa, L. N., Bernardi, M., Alonso, M. V., Wegner, G., Willmer, C. N. A., Pellegrini, P. S., Rité, C., & Maia, M. A. G. 2000, AJ, 120, 95
11. Davidge, T. J. 1992, AJ, 103, 1512
12. de Zeeuw, P. T., et al. 2002, MNRAS, 329, 513
13. Dressler, A. 1980, ApJ, 236, 351
14. Eggen, O. J., Lynden-Bell, D., & Sandage, A. R. 1962, ApJ, 136, 748
15. Faber, S. M., et al. 2005, ApJ, submitted (astro-ph/0506044)
16. Glazebrook, K., et al. 2004, Nature, 430, 181
17. Gorgas, J., Efstathiou, G., & Aragón-Salamanca, A. 1990, MNRAS, 245, 217
18. Kobayashi, C. 2004, MNRAS, 347, 740
19. Kobayashi, C., & Arimoto, N. 1999, ApJ, 527, 573
20. Kormendy, J. 1989, ApJ, 342, L63
21. Larson, R. B. 1974, MNRAS, 166, 585
22. Matteucci, F. 1994, A&A, 288, 57
23. _. 2003, Ap&SS, 284, 539
24. Mehlert, D., Thomas, D., Saglia, R. P., Bender, R., & Wegner, G. 2003, A&A, 407, 423
25. Mori, M., Yoshii, Y., Tsujimoto, T., & Nomoto, K. 1997, ApJ, 478, L21
26. Pipino, A., & Matteucci, F. 2004, MNRAS, 347, 968
27. Schweizer, F., & Seitzer, P. 1992, AJ, 104, 1039
28. Steinmetz, M., & Navarro, J. F. 2002, NewA, 7, 155
29. Thomas, D., Maraston, C., & Bender, R. 2002, Rev. Mod. Astron., 15, 219
30. _. 2003, MNRAS, 339, 897
31. Wegner, G., et al. 2003, AJ. 126, 2268
32. White, S. D. M. 1980, MNRAS, 191, 1P
33. Worthey, G., & Ottaviani, D. L. 1997, ApJS, 111, 377