Chemical stratification in the atmosphere of Ap star HD 133792 Regularized solution of the vertical inversion problem

Astronomy and Astrophysics

Volumn 460, Issue 3, 2006, Pages 831-842

  Kochukhov, O ^a   Tsymbal, V ^b,c   Ryabchikova, T ^c,d   Makaganyk, V ^b   Bagnulo, S ^e  

^a UPPSALA UNIVERSITY   (Sweden)

^b TAURIDA NATIONAL V I VERNADSKY UNIVERSITY   (Ukraine)

^c UNIVERSITY OF VIENNA   (Austria)

^d INSTITUTE OF ASTRONOMY   (Russian Federation)

^e EUROPEAN SOUTHERN OBSERVATORY   (Chile)

Author keywords

Stars: abundances; Stars: atmospheres; Stars: chemically peculiar; Stars: individual: HD 133792

Indexed keywords

EARTH ATMOSPHERE; PARAMETER ESTIMATION; SPECTROSCOPIC ANALYSIS;

CHEMICAL STRATIFICATION; PHOTOSPHERIC ABUNDANCES;

SPACE RESEARCH;

EID: 33845581479     PISSN: 00046361     EISSN: 14320746     Source Type: Journal    
DOI: 10.1051/0004-6361:20065607     Document Type: Article

References (92)

1. Anderson, E. M., Zilitis, V. A., & Sorokina, E. S. 1967, Opt. Spectr., 23, 102
2. Artru, M.-C., Jamar, C., Petrini, D., & Praderie, F. 1981, A&A, 96, 380
3. Asplund, M., Grevesse, N., & Sauval, A. J. 2005, ASP Conf. Ser., 336, 25
4. Babel, J. 1992, A&A, 258, 645
5. Bagnulo, S., Landstreet, J. D., Lo Curto, G., Szeifert, T., & Wade, G. A. 2003, A&A, 403, 449
6. Ballester, P., Modigliani, A., Boitquin, O., et al. 2000, Messenger, 101, 31
7. Bard, A., & Kock, M. 1994, A&A, 282, 1014
8. Barnard, A. J., Cooper, J., & Smith, E. W. 1974, JQSRT, 12, 1409
9. Berry, H. G., Bromander, J., Curtis, L. J., & Buchta, R. 1971, Phys. Scripta, 3, 125
10. Biémont, E., Palmeri, P., & Quinet, P. 1999, Ap&SS, 269-270, 635
11. Biémont, E., Quinet, P., & Ryabchikova, T. A. 2002, MNRAS, 336, 1155
12. Black, J. H., Wisheit, J. C., & Laviana, E. 1972, ApJ, 177, 567
13. Blackwell, D. E., Petford, A. D., & Shallis, M. J. 1979, MNRAS, 186, 657
14. Blackwell, D. E., Petford, A. D., Shallis, M. J., & Simmons, G. J. 1982a, MNRAS, 199, 43
15. Blackwell, D. E., Petford, A. D., & Shallis, M. J. 1982b, MNRAS, 210, 595
16. Blackwell-Whitehead, R. J., Pickering, J. C., & Pearse, O. 2005, ApJS, 157, 402
17. Boesgaard, A. M., Heacox, W. D., Wolff, S. C., Borsenberger, J., & Praderie, F. 1981, ApJ, 259, 723
18. Borsenberger, J., Michaud, G., & Praderie, F. 1981, ApJ, 243, 533
19. Castor, J. I., Dykema, P. G., & Klein, R. I. 1992, ApJ, 387, 561
20. Cowley, C. R., & Barisciano, L. P., Jr. 1994, The Observatory, 114, 308
21. Cowley, C. R., & Henry, R. 1979, ApJ, 233, 633
22. Dekker, H., D'Odorico, S., Kaufer, A., Delabre, B., & Kotzlowski, H. 2000, Proc. SPIE, 4008, 534
23. Den Hartog, E. A., Lawler, J. E., Sneden, C., & Cowan, J. J. 2004, ApJS, 148, 543
24. Fleurier, C., Sahal-Brechot, S., & Chapelle, J. 1977, JQSRT, 17, 595
25. Garcia, G., & Campos, J. 1988, JQSRT, 39, 477
26. Garz, T. 1973, A&A, 26, 471
27. Gerbaldi, M., Farragiana, R., & Molaro, P. 1986, in New Insights in Astrophysics. Eight Years of UV Astronomy with IUE, ESA, 49
28. Gerbaldi, M., Floquet, M., Farragiana, R., & van't Veer-Menneret, C. 1989, A&AS, 81, 127
29. Goncharsky, A. V., Stepanov, V. V., Khokhlova, V. L., & Yagola, A. G. 1977, Soviet Astron. Lett., 3, 147
30. Gray, D. F. 1992, The Observation and Analysis of Stellar Photospheres (Cambridge University Press)
31. Hauck, B., & Mermilliod, M. 1998, A&AS, 129, 431
32. Holt, R. A., Scholl, T. J., & Rosner, S. D. 1999, MNRAS, 306, 107
33. Jaschek, M., & Jasehek, C. 1959, PASP, 71, 48
34. Kling, R., & Griesmann, U. 2000, ApJ, 531, 1173
35. Kling, R., Schnabel, R., & Griesmann, U. 2001, ApJS, 134, 173
36. Kochukhov, O. 2007, in Magnetic Stars, ed. I. I. Romanyuk, & D. O. Kudryavtsev, in press
37. Kochukhov, O., & Bagnulo, S. 2006, A&A, 450, 763
38. Kochukhov, O., Drake, N., Piskunov, N., & de la Reza, R. 2004, A&A, 424, 935
39. Kupka, F., Piskunov, N., Ryabchikova, T. A., Stempels, H. C., & Weiss, W. W., 1999, A&AS, 138, 119
40. Kurucz, R. L. 1993, Kurucz CD-ROM 13, Cambridge, SAO
41. Kurucz, R. L., & Peytremann, E. 1975, SAO Special Report 362
42. Lambert, D. L., & Warner, B. 1968, MNRAS, 140, 197
43. Lawler, J. E., Wickliffe, M. E., Den Hartog, E. A., & Sneden, C. 2001, ApJ, 563, 1075
44. LeBlanc, F., & Monin, D. 2004, in The A-star puzzle, ed. J. Zverko, J. Žižňovský, S. J. Adelman, & W. W. Weiss (Cambridge University Press), IAU Symp., 224, 193
45. Lemke, M. 1997, A&AS, 122, 285
46. Lincke, R., & Ziegenbein, G. 1971, Z. Physik, 241, 369
47. Lucke, P. B. 1978, A&A, 64, 367
48. Martin, B., & Wickramasinghe, D. T. 1979, MNRAS, 189, 883
49. Martin, G. A., Fuhr, J. R., & Wiese, W. L. 1988, J. Phys. Chem. Ref. Data, 17, Suppl.3
50. Martinez, P., & Kurtz, D. W. 1994, MNRAS, 271, 129
51. Mathys, G. 1990, A&A, 232, 151
52. Mathys, G., & Lanz, T. 1992, A&A, 256, 169
53. May, M., Richter, J., & Wichelmann, J. 1974, A&AS, 18, 405
54. Michaud, G. 1970, ApJ, 160, 641
55. Michaud, G., Reeves, H., & Charland, Y. 1974, A&A, 37, 313
56. Moon, T. T., & Dworetsky, M. M. 1985, MNRAS, 217, 305
57. O'Brian, T. R., Wicklife, M. E., Lawler, J. E., Whaling, W., & Brault, J. W. 1991, JOSA, B8, 1185
58. Palmeri, P., Quinet, P., Wyart, J.-F., & Biémont, E. 2000, Phys. Scr., 61, 323
59. Perryman, M. A. C., Lindegren, L., Kovalevsky, J., et al. 1997, A&AS, 323, 49
60. Pickering, J. C., Thorne, A. P., & Perez, R. 2001, ApJS, 132, 403
61. Piskunov, N. E. 1999, in 2nd International Workshop on Solar Polarization, ed. K. Nagendra, & J. Stenflo (Kluwer Acad. Publ.), ASSL, 243, 515
62. Piskunov, N., & Kochukhov, O. 2002, A&A, 381, 736
63. Press, W. H., Teukolsky, S. A., Vetterling, W. T., & Flannery, B. P. 1986, Numerical Recipes (Cambridge: Cambridge University Press)
64. Raassen, A. J. J., & Uylings, P. H. M. 1998, A&A, 340, 300
65. Rathnore, B. A., Lakićević, I. S., Ćuk, M., & Purić, J. 1984, Phys. Lett. A, 110, 31
66. Rees, D. E., Murphy, G. A., & Durrant, C. J. 2000, ApJ, 339, 1093
67. Roby, S. W., & Lambert, D. L. 1990, ApJS, 73, 67
68. Rogers, N. Y. 1995, Comm. in Asteroseismology, 78
69. Ruiz Cobo, B., Bellot Rubio, L. R., & Collados, M. 1999, in Proceedings of the 2nd Solar Polarization Workshop, ed. K. N. Nagendra, & J. O. Stenflo, Astrophysics and Space Science Library, 243, 231
70. Ryabchikova, T. A. 2005, Astron. Lett., 31, 388
71. Ryabchikova, T. A., Piskunov, N. E., Kochukhov, O., et al. 2002, A&A, 384, 545
72. Ryabchikova, T., Wade, G. A., & LeBlanc, F. 2003, in Modelling of Stellar Atmospheres, ed. N. E. Piskunov, W. W. Weiss, & D. F. Gray, IAU Symp.. 210, 301
73. Ryabchikova, T., Nesvacil, N., Weiss, W. W., Kochukhov, O., & Stütz, C. 2004a, A&A, 423, 705
74. Ryabchikova, T., Leone, F., Kochukhov, O., & Bagnulo, S. 2004b, in The A-star puzzle, ed. J. Zverko, J. Žižňovský, S. J. Adelman, & W. W. Weiss (Cambridge University Press), IAU Symp., 224, 580
75. Ryabchikova, T., Leone, F., & Kochukhov, O. 2005, A&A, 438, 973
76. Schaller, G., Schaerer, D., Meynet, G., & Maeder, A. 1992, A&AS, 96, 269
77. Schlegel, D. J., Finkbeiner, D. P., & Davis, M. 1998, ApJ, 500, 525
78. Schulz-Gulde, E. 1969, JQSRT, 9, 13
79. Seaton, M. J., Zeippen, C. J., Tully, J. A., et al. 1992, Rev. Mex. Astron. Astroh's., 23, 19
80. Sigut, T. A. A. 2001, ApJ, 546, L115
81. Smith, G., & Raggett, D. St. J. 1981, J. Phys. B: At. Mol. Phys., 14, 4015
82. Socas-Navarro, H., Trujillo Bueno, J., & Ruiz Cobo, B. 2000, ApJ, 530, 977
83. Takeda, Y. 1991, PASPJ, 43, 823
84. Tikhonov, A. N., & Arsenin, V. Y. 1977. Solution of ill-posed problems (Wiley: New York)
85. Tsymbal, V. 1996, in Model Atmospheres and Spectrum Synthesis, ed. S. J. Adelman, F. Kupka, & W. W. Weiss, ASP Conf. Ser., 108, 198
86. Vogt, S. S., Penrod, G. D., & Hatzes, A. P. 1987, ApJ, 321, 496
87. Wade, G. A., LeBlanc, F., Ryabchikova, T. A., & Kudryavtsev, D. O. 2003, in Modelling of Stellar Atmospheres, ed. N. E. Piskunov, W. W. Weiss, & D. F. Gray, IAU Symp., 210, D7
88. Warner, B. 1968, MNRAS, 139, 115
89. Wickliffe, M. E., Lawler, J. E., & Nave, G. 2000, JQSRT, 66, 363
90. Wiese, W. L., Smith, M. W., & Miles, B. M. 1969, NSRDS-NBS, 22
91. Wyart, J.-F., Tchang-Brillet, W.-Ü. L., Churilov, S. S., & Ryabtsev, A. N. 2006, Phys. Scr., in press
92. Zhang, Z. G., Svanberg, S., Palmeri, P., Quinet, P., & Biémont, E. 2002, A&A, 385, 724