Population gradients in Local Group dwarf spheroidal galaxies

Astronomical Journal

Volumn 122, Issue 6, 2001, Pages 3092-3105

  Harbeck, Daniel ^a   Grebel, Eva K ^a   Holtzman, Jon ^b   Guhathakurta, Puragra ^c   Brandner, Wolfgang ^d,e   Geisler, Doug ^f   Sarajedini, Ata ^g   Dolphin, Andrew ^h   Hurley Keller, Denise ^i,j   Mateo, Mario ^j  

^a MAX PLANCK INSTITUT FÜR ASTRONOMIE   (Germany)

^b NEW MEXICO STATE UNIVERSITY   (United States)

^c University of California Santa Cruz   (United States)

^d UNIVERSITY OF HAWAII   (United States)

^e EUROPEAN SOUTHERN OBSERVATORY   (Germany)

^f UNIVERSITY OF CONCEPCIÓN   (Chile)

^g 211 Bryant Space Sciences Center ^*  (United States)

^h NATIONAL OPTICAL ASTRONOMY OBSERVATORY   (United States)

ⁱ CASE WESTERN RESERVE UNIVERSITY   (United States)

^j UNIVERSITY OF MICHIGAN   (United States)

more..

Author keywords

Galaxies: dwarf; Galaxies: stellar content; Galaxies: structure; Local Group; Stars: abundances; Stars: horizontal branch

Indexed keywords

EID: 4243473519     PISSN: 00046256     EISSN: None     Source Type: Journal    
DOI: 10.1086/324232     Document Type: Article

References (60)

1. Armandroff, T. E., Da Costa, G. S., Caldwell, N., & Seitzer, P. 1993, AJ, 106, 986
2. Armandroff, T. E., Jacoby, G. H., & Davies, J. E. 1999, AJ, 118, 1220
3. Battinelli, P., & Demers, S. 2000, AJ, 120, 1801
4. Bellazzini, M., Fusi Pecci, F., & Ferraro, R. R. 1996, MNRAS, 278, 947
5. Buonanno, R., Corsi, C. E., Castellani, M., Marconi, G., Fusi Pecci, F., & Zinn, R. 1999, AJ, 118, 1671
6. Caldwell, N. 1999, AJ, 118, 1230
7. Caldwell, N., Armandroff, T. E., Seitzer, P., & Da Costa, G. S. 1992, AJ, 103, 840
8. Cavallo, R. M., & Nagar, N. M. 2000, AJ, 120, 1364
9. Da Costa, G. S., & Armandroff, T. E. 1990, AJ, 100, 162
10. Da Costa, G. S., Armandroff, T. E., Caldwell, N., & Seitzer, P. 1996, AJ, 112, 2576
11. _. 2000, AJ, 119, 705
12. Dolphin, A. E. 2000a, PASP, 112, 1383
13. _. 2000b, PASP, 112, 1397
14. _. 2001, MNRAS, submitted
15. Gallart, C., Freedman, W. L., Aparicio, A., Bertelli, G., & Chiosi, C. 1999, AJ, 118, 2245
16. Girardi, L., Bressan, A., Bertelli, G., & Chiosi, C. 2000, A&AS, 141, 371
17. Girardi, L., Groenewegen, M. A. T., Weiss, A., & Salaris, M. 1998, MNRAS, 301, 149
18. Grebel, E. K. 1997, Rev. Mod. Astron., 10, 29
19. _. 1999, in IAU Symp. 192, The Stellar Content of the Local Group, ed. P. Whitelock & R. Cannon (San Francisco: ASP), 17
20. _. 2000, in Star Formation from the Small to the Large Scale, ed. F. Favata, A. A. Kaas, & A. Wilson (ESA SP-445) (Noordwijk: ESA), 87
21. Grebel, E. K., & Guhathakurta, P. 1999, ApJ, 511, L101
22. Grebel, E. K., Harbeck, D., Holtzman, J., Geisler, D., & Sarajedini, A. 2001, in preparation
23. Guhathakurta, P., Grebel, E. K., Pittroff, L. C., et al. 2001, in preparation
24. Harbeck, D., Grebel, E. K., Holtzman, J., Geisler, D., & Sarajedini, A. 2001, in preparation
25. Harris, W. E. 1996, AJ, 112, 1487
26. Hirashita, H. 1999, ApJ, 520, 607
27. Hurley-Keller, D., Mateo, M., & Grebel, E. K. 1999, ApJ, 523, L25
28. Hurley-Keller, D., Mateo, M., & Nemec, J. 1998, AJ, 115, 1840
29. Irwin, M., & Hatzidimitriou, D. 1995, MNRAS, 277, 1354
30. Kaluzny, J., & Udalski, A. 1992, Acta Astron., 42, 29
31. Kraft, R. P. 1994, PASP, 106, 553
32. Krist, J. 1993, in ASP Conf. Ser. 52, Astronomical Data Analysis Software and Systems II, ed. R. J. Hanisch, R. J. V. Brissenden, & J. Barnes (San Francisco: ASP), 536
33. Lee, Y.-W., Demarque, P., & Zinn, R. 1994, ApJ, 423, 248
34. Lee, Y.-W., Yoon, S.-J., Rey, S.-C., & Chaboyer, B. 2001, in ASP Conf. Ser., Astrophysical Ages and Time Scales, ed. T. von Hippel, N. Mabset, & C. Simpson (San Francisco: ASP), in press
35. Liebert, J., Saffer, R. A., & Green, E. M. 1994, AJ, 107, 1408
36. Mac Low, M.-M., & Ferrara, A. 1999, ApJ, 513, 142
37. Majewski, S. R., Siegel, M. H., Patterson, R. J., & Rood, R. T. 1999, ApJ, 520, L33
38. Martínez-Delgado, D., Gallart, C., & Aparicio, A. 1999, AJ, 118, 862
39. Mayer, L., Governato, F., Colpi, M., Moore, B., Quinn, T., Wadsley, J., Stadel, J., & Lake, G. 2001, ApJ, 547, L123
40. Mighell, K. J. 1997, AJ, 114, 1458
41. Mighell, K. J., & Rich, R. M. 1996, AJ, 111, 777
42. Mironov, A. V. 1972, Soviet Astron., 16, 105
43. Monkiewicz, J., et al. 1999, PASP, 111, 1392
44. Pagel, B. E. J., & Portinari, L. 1998, MNRAS, 298, 747
45. Smith, E. O., Rich, R. M., & Neill, J. D. 1998, AJ, 115, 2369
46. Ratnatunga, K. U., & Bahcall, J. N. 1985, ApJS, 59, 63
47. Sandage, A. 1990, ApJ, 350, 603
48. Sarajedini, A., Chaboyer, B., & Demarque, P. 1997, PASP, 109, 1321
49. Sarajedini, A., & Layden, A. 1997, AJ, 113, 264
50. Saviane, I., Held, E. V., & Piotto, G. 1996, A&A, 315, 40
51. Schlegel, D., Finkbeiner, D., & Davis, M. 1998, ApJ, 500, 525
52. Shetrone, M. D., Côté, P., & Sargent, W. L. W. 2001, ApJ, 548, 592
53. Stetson, P. B. 1992, in ASP Conf. Ser. 25, Astronomical Data Analysis Software and Systems I, ed. D. M. Worrall, C. Biemesderfer, & J. Barnes (San Francisco: ASP), 297
54. Stetson, P. B., Hesser, J. E., & Smecker-Hane, T. A. 1998, PASP, 110, 533
55. Sweigart, A. V., & Catelan, M. 1998, ApJ, 501, L63
56. Trauger, J. T., et al. 1994, ApJ, 435, L3
57. van den Bergh, S. 1994, ApJ, 428, 617
58. VandenBerg, D. A., & Bell, R. A. 2001, NewA Rev., 45, 577
59. VandenBerg, D. A., Swenson, F. J., Rogers, F. J., Iglesias, C. A., & Alexander, D. R. 2000, ApJ, 532, 430
60. Zinn, R. J. 1993, in ASP Conf. Ser. 48, The Globular Cluster-Galaxy Connection, ed. G. H. Smith & J. P. Brodie (San Francisco: ASP), 38