The cosmological density and ionization of hot gas: O VI absorption in quasar spectra

Astrophysical Journal

Volumn 460, Issue 2 PART I, 1996, Pages 584-600

  Burles, Scott ^a   Tytler, David ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Cosmology: observations; Galaxies: abundances; Intergalactic medium; Quasars: absorption lines

Indexed keywords

EID: 21344436621     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1086/176994     Document Type: Article

References (35)

1. Anders, E., & Grevesse, N. 1989, Geochim. Cosmochim. Acta, 53, 197
2. Bahcall, J. N., et al. 1993, ApJS, 87, 1
3. Barcons, X., Fabian A. C., & Rees, M. J. 1991, Nature, 350, 685
4. Bergeron, J. 1988, in QSO Absorption Lines: Probing the Universe, ed. J. C. Blades, D. A. Turnshek, & C. A. Norman (Cambridge: Cambridge Univ. Press), 127
5. Bergeron, J., et al. 1994, ApJ, 436, 33
6. Burrows, D. N., & Mendenhall, J. A. 1991, Nature, 351, 629
7. Cox, D. P., & Tucker, W. H. 1969, ApJ, 157, 1157
8. Davidsen, A. F., Bowers, C. W., Kruk, J. W., Kriss, G. A., Ferguson, H. C., Blair, W. P., Kimble, R. A., & Long, K. S. 1991, BAAS, 23, 1472
9. Fabbiano, G. 1989, ARA&A, 27, 87
10. Fan, L., & Ikeuchi, S. 1992, ApJ, 390, 405
11. Fan, X. M. 1995, Ph.D. thesis, Columbia Univ.
12. Forman, W., Schwarz, J., Jones, C., Liller, W., & Fabian, A. C. 1979, ApJ, 234, L27
13. Hamann, F., Barlow, T. A., Beaver, E. A., Burbidge, E. M., Cohen, R. D., Junkkarinen, V., & Lyons, R. 1995, ApJ, 443, 606
14. Hamann, F., Zuo, L., & Tytler, D. 1995, ApJ, 444, L69
15. Hartquist, T. W., & Snijders, M. A. J. 1982, Nature, 299, 783
16. Jakobsen, P., Boksenberg, A., Deharveng, J. M., Greenfield, P., Jedrzejewski, R., & Paresce, F. 1994, Nature, 370, 35
17. Lanzetta, K. M., Wolfe, A. M., Turnshek, D. A., Lu, L., McMahon, R. G., & Hazard, C. 1991, ApJS, 77, 1
18. Lu, L., & Savage, B. D. 1993, ApJ, 403, 127
19. Madua, P. 1994, private communication
20. Morton, D. C. 1991, ApJS, 77, 119
21. Pettini, M., & D'Odorico, S. 1986, ApJ, 310, 700
22. Schneider, D. P., et al. 1993, ApJS, 87, 45
23. Sembach, K. R., & Savage, B.D. 1992, ApJS, 83, 147
24. Shapiro, P. R., & Benjamin, R. 1991 PASP, 103, 923
25. Shapiro, P. R., & Moore, R. T. 1976, ApJ, 207, 460
26. Snowden, S. L., Mebold, U., Hirth, W., Herbstmeier, U., & Schmitt, J. H. M. M. 1991, Science, 252, 1529
27. Songaila, A., Cowie, L. L., Hogan, C. J., & Rugers, M. 1994 Nature, 368, 599
28. Spitzer, L. 1978, Physical Processes in the Interstellar Medium (New York: Wiley), 44
29. Steidel, C. C. 1990, ApJS, 74, 37
30. Tytler, D., & Fan, X. M. 1994 BAAS, 27, 1424
31. Verner, D. A., Tytler, D., & Barthel, P. D. 1994, ApJ, 430, 186 (VTB94)
32. Verner, D. A., & Yakolev, D. G. 1990, Ap&SS, 165, 27
33. Wang, Q. 1991, ApJ, 377, L85
34. Wolfe, A. M., Lanzetta, K. M., Foltz, C. B., & Chaffee, F. H. 1995, ApJ, 454, 698
35. Wright, E. L., et al. 1994 ApJ, 420, 450