Measuring age differences among globular clusters having similar metallicites: A new method and first results

Astronomical Journal

Volumn 100, Issue 2, 1990, Pages 445-468

  VandenBerg, Don A ^a   Bolte, Michael ^b,c   Stetson, Peter B ^b,c,d  

^a UNIVERSITY OF VICTORIA   (Canada)

^b NATIONAL RESEARCH COUNCIL CANADA   (Canada)

^c CERRO TOLOLO INTER AMERICAN OBSERVATORY   (Chile)

^d KITT PEAK NATIONAL OBSERVATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001392015     PISSN: 00046256     EISSN: None     Source Type: Journal    
DOI: 10.1086/115529     Document Type: Article

References (77)

1. Alcaino, G., Buonanno, R., Caloi, V., Castellani, V., Corsi, C. E., Iannicola, G., and Liller, W. (1987). Astron. J. 94, 917.
2. Alcaino, G., and Liller, W. (1987). Astron. J. 94, 1585.
3. Alcaino, G., Liller, W., and Alvarado, F. (1989). Astron. Astrophys. 216, 68.
4. Bell, R. A., Harris, G. L. H., Hesser, J. E., and Cannon, R. D. (1981). Astrophys. J. 249, 637.
5. Bergbusch, P. A., and VandenBerg, D. A. (1990). In preparation.
6. Bica, E. L. D., and Pastoriza, M. G. (1983). Astrophys. Space Sci. 91, 99.
7. Bolte, M. (1987). Astrophys. J. 319, 760.
8. Bolte, M. (1989). Astron. J. 97, 1688.
9. Bolte, M. (1990). In preparation.
10. Bolte, M., and Marleau, F. (1989). Publ. Astron. Soc. Pac. 101, 1088.
11. Buonanno, R., Buzzoni, A., Corsi, C. E., Fusi Pecci, F., and Sandage, A. (1986). Mem. Soc. Astron. Ital. 57, 391.
12. Buonanno, R., Corsi, C. E., Ferraro, I., and Fusi Pecci, F. (1987). Astron. Astrophys. Suppl. 67, 327.
13. Buonanno, R., Corsi, C. E., and Fusi Pecci, F. (1989). Astron. Astrophys. 216, 80 (BCF89).
14. Buonanno, R., Corsi, C. E., Iannicola, G., and Fusi Pecci, F. (1986). Astron. Astrophys. 159, 189.
15. Buzzoni, A., Fusi Pecci, F., Buonanno, R., and Corsi, C. E. (1983). Astron. Astrophys. 128, 94.
16. Caputo, R., Martinez Roger, C., and Paez, E. (1987). Astron. Astrophys. 183, 228.
17. Chieffi, A., and Straniero, O. (1989). Astrophys. J. Suppl. 71, 47.
18. Christian, C. A., Adams, M., Barnes, J. V., Butcher, H., Hayes, D. S., Mould, J. R., and Siegel, M. (1985). Publ. Astron. Soc. Pac. 97, 363.
19. Deliyannis, C. P., Demarque, P., and Pinsonneault, M. H. (1989). Astrophys. J. Lett. 347, L73.
20. Demarque, P., Lee, Y.-W., Zinn, R., and Green, E. M. (1989). In The Abundance Spread Within Globular Clusters: Spectroscopy of Individual Stars, edited by G. Cayrel de Strobel, M. Spite, and T. L. Evans (Paris Observatory, Paris), p. 97.
21. Dorman, B., VandenBerg, D. A., and Laskarides, P. G. (1989) Astrophys. J. 343, 750.
22. Eggen, O. J., Lynden-Bell, D., and Sandage, A. (1962). Astrophys. J. 136, 748 (ELS).
23. Friel, E. D., Heasley, J. N., and Christian, C. A. (1987). Publ. Astron. Soc. Pac. 99, 1248.
24. Frogel, J. A., Persson, S. E., and Cohen, J. G. (1983). Astrophys. J. Suppl. 53, 713.
25. Fusi Pecci, F., Ferraro, F. R., Crocker, D. A., Rood, R. T., and Buonanno, R. (1989) In Astrophysical Ages and Datations, 5th I. A. P. Astrophysics Meeting, edited by J. Audouze, M. Cassé, and E. Vangioni-Flam (Editions Frontières, Paris) (in press).
26. Gratton, R. G., and Ortolani, S. (1988). Astron. Astrophys. Suppl. 73, 137.
27. Green, E. M., and Norris, J. E. (1990). Astrophys. J. Lett. 353, L17.
28. Heasley, J. N., and Christian, C. A. (1986). Astrophys. J. 307, 738.
29. Hesser, J. E., Bell, R. A., Cannon, R. D., and Harris, G. L. H. (1985). Astrophys. J. 295, 437.
30. Hesser, J. E., and Shawl, S. J. (1985). Publ. Astron. Soc. Pac. 97, 465.
31. Hurley, D. J. C., Richer, H. B., and Fahlman, G. G. (1989). Astron. J. 98, 2124.
32. Iben, I., Jr., and Renzini, A. (1984). Phys. Rep. 105, 329.
33. Janes, K. A., and Heasley, J. N. (1988). Astron. J. 95, 762.
34. King, C. R., Demarque, P., and Green, E. M. (1988). In Calibration of Stellar Ages, edited by A. G. D. Philip (Davis, Schenectady), p. 211.
35. Lee, Y.-W. (1989). Ph.D. dissertation, Yale University.
36. Lee, Y.-W., Demarque, P., and Zinn, R. (1988). In Calibration of Stellar Ages, edited by A. G. D. Philip (Davis, Schenectady), p. 149.
37. Margon, B., and Bolte, M. (1987). Astrophys. J. Lett. 321, L61.
38. McClure, R. D., VandenBerg, D. A., Bell, R. A., Hesser, J. E., and Stetson, P. B. (1987). Astron. J. 93, 1144.
39. Mengel, J. G., and Gross, P. G. (1976). Astrophys. Space Sci. 41, 407.
40. Meylan, G. (1987). Astron. Astrophys. 184, 144.
41. Paltoglou, G., and Norris, J. E. (1989). Astrophys. J. 336, 185.
42. Penny, A. J., and Dickens, R. J. (1986). Mon. Not. R. Astron. Soc. 220, 845.
43. Peterson, C. J. (1987). Publ. Astron. Soc. Pac. 99, 1153.
44. Peterson, R. C. (1985). Astrophys. J. Lett. 294, L35.
45. Pilachowski, C. A., Sneden, C., and Wallerstein, G. (1983). Astrophys. J. Suppl. 52, 241.
46. Pound, M. W., Janes, K. A., and Heasley, J. N. (1987). Astron. J. 94, 1185.
47. Proffitt, C., and Michaud, G. (1990). In Cool Stars, Stellar Systems, and the Sun, edited by G. Wallerstein (Astron. Soc. Pac. Conf. Ser., 9) (in press).
48. Reed, B. C., Hesser, J. E., and Shawl, S. J. (1988). Publ. Astron. Soc. Pac. 100, 545.
49. Richer, H. B., and Fahlman, G. G. (1986). Astrophys. J. 304, 273.
50. Richer, H. B., and Fahlman, G. G. (1987). Astrophys. J. 316, 189.
51. Richer, H. B., Fahlman, G. G., and VandenBerg, D. A. (1988). Astrophys. J. 329, 187.
52. Sandage, A. (1982). Astrophys. J. 252, 553.
53. Sandage, A. (1990). J. R. Astron. Soc. Canada 84, 70.
54. Sandage, A., and Smith, L. L. (1966). Astrophys. J. 144, 886.
55. Sarajedini, A., and King, C. R. (1989). Astron. J. 98, 1624.
56. Sato, T., Richer, H. B., and Fahlman, G. G. (1989). Astron. J. 98, 1335.
57. Schade, D., VandenBerg, D. A., and Hartwick, F. D. A. (1988). Astron. J. 96, 1632.
58. Searle, L., and Zinn, R. (1978). Astrophys, J. 225, 357.
59. Smith, G. H., McClure, R. D., Stetson, P. B., Hesser, J. E., and Bell, R. A. (1986). Astron. J. 91, 842.
60. Stetson, P. B. (1987). Astron. J. 99, 191.
61. Stetson, P. B. (1990a). Publ. Astron. Soc. Pac. (in press).
62. Stetson, P. B. (1990b). Paper presented at the conference on CCDs in Astronomy II, held at Charleston, South Carolina on 15-17 March 1990.
63. Stetson, P. B., and Harris, W. E. (1988). Astron. J. 96, 909.
64. Stetson, P. B., VandenBerg, D. A., Bolte, M., Hesser, J. E., and Smith, G. H. (1989). Astron. J. 97, 1360.
65. Suntzeff, N. B. (1981). Astrophys. J. Suppl. 47, 1.
66. Tayler, R. J. (1986). Q. J. R. Astron. Soc. 27, 367.
67. Thomas, P. (1989). Mon. Not. R. Astron. Soc. 238, 1319.
68. VandenBerg, D. A. (1983). Astrophys. J. Suppl. 51, 29.
69. VandenBerg, D. A. (1988). In The Extragalactic Distance Scale, edited by S. van den Bergh and C. J. Pritchet ( Astron. Soc. Pac. Conf. Ser., 4), 187.
70. VandenBerg, D. A., and Bell, R. A. (1985). Astrophys. J. Suppl. 58, 561.
71. VandenBerg, D. A., and Bridges, T. J. (1984). Astrophys. J. 278, 679.
72. VandenBerg, D. A., and Durrell, P. R. (1990). Astron. J. 99, 221.
73. Webbink, R. F. (1985). In Dynamics of Star Clusters, IAU Symposium No. 113, edited by J. Goodman and P. Hut (Reidel, Dordrecht), p. 541.
74. White, R. E., and Shawl, S. J. (1987). Astrophys. J. 317, 246.
75. Zinn, R. (1980). Astrophys. J. Suppl. 42, 19.
76. Zinn, R. (1985). Astrophys. J. 293, 424.
77. Zinn, R., and West, M. J. (1984). Astrophys. J. Suppl. 55, 45.