Discovery of a spectroscopic binary comprising two hot helium-rich subdwarfs

Astronomy and Astrophysics

Volumn 418, Issue 1, 2004, Pages 275-281

  Ahmad, A ^a   Jeffery, C S ^a   Fullerton, A W ^b,c  

^a ARMAGH OBSERVATORY   (United Kingdom)

^b UNIVERSITY OF VICTORIA   (Canada)

^c JOHNS HOPKINS UNIVERSITY   (United States)

Author keywords

Stars: binaries: spectroscopic; Stars: chemically peculiar; Stars: early type; Stars: fundamental parameters; Stars: individual: PG 1544+488; Stars: subdwarfs

Indexed keywords

DIFFRACTION GRATINGS; HELIUM; MASS TRANSFER; OPTICAL RESOLVING POWER; SPECTROSCOPY; SPECTRUM ANALYSIS; TELESCOPES;

BINARIES; CHEMICALLY PECULIAR-STARS; FUNDAMENTAL PARAMETERS-STARS; STARS; SUBDWARFS-STARS;

GALAXIES;

EID: 2342484465     PISSN: 00046361     EISSN: None     Source Type: Journal    
DOI: 10.1051/0004-6361:20035917     Document Type: Article

References (20)

1. Ahmad, A., & Jeffery, C. S. 2003, A&A, 402, 335
2. Ahmad, A., & Jeffery, C. S. 2004, A&A, 413, 323
3. Brown, T. M., Sweigart, A. V., Lanz, T., Landsman, W. B., & Hubeny, I. 2001, ApJ, 562, 368
4. Dudley, R. E., & Jeffery, C. S. 1990, MNRAS, 247, 400
5. Green, R. F., Schmidt, M., & Liebert, J. 1986, ApJS, 61, 304
6. Han, Z., Podsiadlowski, Ph., Maxted, P. F. L., Marsh, T. R., & Ivanova, N. 2002, MNRAS, 336, 449
7. Heber, U., Dreizier, S., de Boer, K. S., Moehler, S., & Richtler, T. 1988, AGAb, 1, 16
8. Heber, U., Edelmann, H., Lisker, T., & Napiwotzki, R. 2003, A&A, 411, L477
9. Högbom, J. A. 1974, A&AS, 15, 417
10. Howarth, I. D., & Heber, U. 1990, PASP, 102, 912
11. Howarth, I. D., Murray, J., Mills, D., & Berry, D. S. 1998, Starlink User Note, 50
12. Iben, I. J., & Tutukov, A. V. 1986, ApJ, 311, 753
13. Jeffery, C. S., & Simon, T. 1997, MNRAS, 286, 487
14. Lanz, T., Brown, T. M., Sweigart, A. V., Hubeny, I., & Landsman, W. B. 2004. ApJ, 602, 342
15. Lisker, T., Heber, U., Napiwotzki, R., et al. 2004, Ap&SS, in Extreme Horizontal Branch Stars and Related Objects, ed. P. F. L. Maxted, in press
16. Maxted, P. F. L., Heber, U., Marsh, T. R., & North, R. C. 2001, MNRAS, 326, 1391
17. Moehler, S., Heber, U., & Durrell, P. R. 1997, A&A, 317, L83
18. Moehler, S., Sweigart, A. V., Landsman, W. B., & Dreizier, S. 2002, A&A, 395, 37
19. Napiwotzki, R., Christlieb, N., Drechsel, H., et al. 2001, Astron. Nachr., 322, 411
20. Saio, H., & Jeffery, C. S. 2000, MNRAS, 313, 671