Adding more mysteries to the DA white DWARF GD 394

Astrophysical Journal

Volumn 537, Issue 2 PART 1, 2000, Pages 977-992

  Dupuis, Jean ^a   Chayer, Pierre ^b   Vennes, Stéphane ^c   Christian, Damian J ^d   Kruk, Jeffrey W ^b  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b JOHNS HOPKINS UNIVERSITY   (United States)

^c AUSTRALIAN NATIONAL UNIVERSITY   (Australia)

^d STScI   (United States)

Author keywords

Stars: abundances; Stars: individual (GD 394); Stars: spots; Ultraviolet: stars; White dwarfs

Indexed keywords

EID: 0034398254     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1086/309079     Document Type: Article

References (82)

1. Alcock, C., Fristrom, C. C., & Siegelman, R. 1986, ApJ, 302, 462
2. Barstow, M. A., et al. 1993, MNRAS, 264, 16
3. Barstow, M. A., et al. 1996, MNRAS, 279, 1120
4. Becker, S. R., & Butler, K. 1990, A&A, 235, 326
5. Bergeron, P., Saffer, R. A., & Liebert, J. 1992, ApJ, 394, 228
6. Bruhweiler, F. C., & Kondo, Y. 1983, ApJ, 269, 657
7. Budding, E. 1977, Ap&SS, 48, 207
8. Butler, K., Mendoza, C., & Zeippen, C. J. 1993, J. Phys. B, 26, 4409
9. Butler, K., Mendoza, C., & Zeippen, C. J. 1999, to be published
10. Chayer, P., Fontaine, G., & Wesemael, F. 1995a, ApJS, 99, 189
11. Chayer, P., Vennes, S., Pradhan, A. K., Thejll, P., Beauchamp, A., Fontaine, G., & Wesemael, F. 1995b, ApJ, 454, 429
12. Christian, D. J., Craig, N., Cahill, W., Roberts, B., & Malina, R. F. 1999, AJ, 117, 2466
13. Cunto, W., Mendoza, C., Ochsenbein, F., & Zeippen, C. J. 1993, A&A, 275, L5
14. Dobbie, P. D., Barstow, M. A., Burleigh, M. R., & Hubeny, I. 1999, A&A, 346, 163
15. Dreizler, S., & Wolff, B. 1999, A&A, 348, 189
16. Dufton, P. L., & Kingston, A. E. 1989, MNRAS, 241, 209
17. _. 1991, MNRAS, 248, 827
18. Dupuis, J., Vennes, S., Chayer, P., Cully, S., & Rodriguez-Bell, T. 1997, in White Dwarfs, ed. J. Isern, M. Hernanz, & E. García-Berro (Dordrecht: Kluwer), 375
19. Eissner, W., & Seaton, M. J. 1974, J. Phys. B, 7, 2533
20. Fernley, J. A., Hibbert, A., Kingston, A. E., & Seaton, M. J. 1999, to be published
21. Ferrario, L., Vennes, S., Wickramasinghe, D. T., Bailey, J. A., & Christian, D. J. 1997, MNRAS, 292, 205
22. Finley, D. S., Basri, G., & Bowyer, S. 1990, ApJ, 359, 483
23. Finley, D. S., Koester, D., & Basri, G. 1997, ApJ, 488, 375
24. Gagné, M., et al. 1999, ApJ, 515, 423
25. Gilliland, R. L., Morris, S. L., Weymann, R. J., Ebbets, D. C., & Lindler, D. J. 1992, PASP, 104, 367
26. Greenstein, J. L. 1969, ApJ, 158, 281
27. _. 1976, AJ, 81, 232
28. Greenstein, J. L., & Liebert, J. W. 1990, ApJ, 360, 662
29. Halpern, J. P., & Marshall, H. L. 1996, ApJ, 464, 760
30. Havnes, O., & Conti, P. S. 1971, A&A, 14, 1
31. Heap, S. R., et al. 1995, PASP, 107, 871
32. Holberg, J. B., Barstow, M. A., Lanz, T., & Hubeny, I. 1997, ApJ, 484, 871
33. Holberg, J. B., Barstow, M. A., & Sion, E. M. 1998, ApJS, 119, 207
34. Holberg, J. B., Wesemael, F., & Basile, J. 1986, ApJ, 306, 629
35. Hubeny, I., Hummer, D. G., & Lanz, T. 1994, A&A, 282, 151
36. Hubeny, I., & Lanz, T. 1995, ApJ, 439, 875
37. Hummer, D. G., & Mihalas, D. 1988, ApJ, 331, 794
38. Jensen, K. A., et al. 1986, ApJ, 309, L27
39. Jordan, S., Koester, D., Wulf-Mathies, C., & Brunner, H. 1987, A&A, 185, 253
40. Kidder, K. M. 1991, Ph.D. thesis, Univ. Arizona
41. Kirkpatrick, J. D., & McCarthy, D. W. 1994, AJ, 107, 333
42. Koester, D., Liebert, J., & Hege, E. K. 1979, PASP, 71, 163
43. Kruk, J. M., Brown, T. M., Davidsen, A. F., Epsey, B. R., Finley, D. S., & Kriss, G. A. 1999, ApJS, 122, 299
44. Kurucz, R. L. 1992, Rev. Mexicana Astron. Astrof., 23, 45
45. Kurucz, R. L., & Bell, B. 1996, SAO Tech. Rep. (Cambridge: Smithsonian Astrophys. Obs.)
46. Lomb, N. R. 1976, Ap&SS, 39, 447
47. Luo, D., & Pradhan, A. K. 1989, J. Phys. B, 22, 3377
48. Marsh, M. C., et al. 1997, MNRAS, 286, 369
49. MacDonald, J., & Vennes, S. 1991, ApJ, 371, 719
50. McMahan, R. K. 1989, ApJ, 336, 409
51. Mendoza, C., Eissner, W., Le Dourneuf, M., & Zeippen, C. J. 1995, J. Phys. B, 28, 3485
52. Mihalas, D., Auer, L. H., & Heasley, J. N. 1975, NCAR Tech. Note STR-104
53. Nahar, S. N., & Pradhan, A. K. 1994, J. Phys. B, 27, 429
54. Napiwotzki, R. 1992, in Lecture Notes in Physics, 401, The Atmospheres of Early-Type Stars, ed. U. Heber & C. S. Jeffery (Berlin: Springer), 310
55. Paerels, F., & Heise, J. 1989, ApJ, 339, 1000
56. Paquette, C., Pelletier, C., Fontaine, G., & Michaud, G. 1986, ApJS, 61, 177
57. Peach, G., Saraph, H. E., & Seaton, M. J. 1988, J. Phys. B, 21, 3669
58. Press, W. H., Teukolsky, S. A., Vetterling, W. T., & Flannery, B. P. 1992, Numerical Recipes in FORTRAN, The Art of Scientific Computing (2d ed.; Cambridge: Cambridge Univ. Press)
59. Rumph, T., Bowyer, S., & Vennes, S. 1994, AJ, 107, 2108
60. Sawey, P. M. J., & Berrington, K. A. 1992, J. Phys. B, 25, 1451
61. Schmidt, G. D., & Smith, P. S. 1995, ApJ, 448, 305
62. Scott, M. P. 1999, to be published
63. Seaton, M. J. 1962, in Atomic and Molecular Processes (New York: Academic Press)
64. Sfeir, D. M., Lallement, R., Crifo, F., & Welsh, B. Y. 1999, A&A, 346, 785
65. Shipman H., et al. 1995, AJ, 109, 1220
66. Sirk, M. M., Vallerga, J. V., Finley, D. S., Jelinsky, P., & Malina, R. F. 1997, ApJS, 110, 347
67. Sion, E., et al. 1998, ApJ, 496, L29
68. Taylor, K. T. 1999, to be published
69. Toropin, Y. M., Toropina, O. D., Savelyev, V. V., Romanova, M. M., Chechetkin, V. M., & Lovelace, R. V. E. 1999, ApJ, 517, 906
70. Trimble, V. T., & Greenstein, J. L. 1972, ApJ, 177, 441
71. Tully, J. A., Seaton, M. J., & Berrington, K. A. 1990, J. Phys. B, 23, 3811
72. Van Regemorter, H. 1962, ApJ, 136, 906
73. Vauclair, G., Vauclair, S., & Greenstein, J. L. 1979, A&A, 80, 79
74. Vennes, S. 1992, ApJ, 390, 590
75. Vennes, S., Dupuis, J., Bowyer, S., & Pradhan, A. K. 1997a, ApJ, 482, L73
76. Vennes, S., Pelletier, C., Fontaine, G., & Wesemael, F. 1988, ApJ, 331, 876
77. Vennes, S., Thejll, P. A., Galvan, R. G., & Dupuis, J. 1997b, ApJ, 480, 714
78. Vennes, S., Thejll, P., & Shipman, H. S. 1991, in White Dwarfs, ed. G. Vauclair & E. Sion (Dordrecht: Kluwer), 235
79. Werner, K. 1996, ApJ, 457, L39
80. Wesemael, F., Auer, L. H., Van Horn, H. M., & Savedoff, M. P. 1980, ApJS, 43, 159
81. Wiese, W. L., Smith, M. W., & Glennon, B. M. 1966, Atomic Transition Probabilities (Washington: US Commerce Dept.)
82. Wolff, B., Koester, D., Dreizler, S., & Hass, S. 1998, A&A, 329, 1045