A possible new population of sources with extreme X-ray/optical ratios

Astrophysical Journal

Volumn 600, Issue 2 II, 2004, Pages

  Koekemoer, Anton M ^a   Alexander, D M ^b   Bauer, F E ^c   Bergeron, J ^d   Brandt, W N ^c   Chatzichristou, E ^e   Cristiani, S ^f   Fall, S M ^a   Grogin, N A ^g   Livio, M ^a   Mainieri, V ^h   Moustakas, L A ^a   Padovani, P ^a   Rosati, P ^h   Schreier, E J ⁱ   Urry, C M ^e  

^a STScI   (United States)

^b UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^c PENNSYLVANIA STATE UNIVERSITY   (United States)

^d INSTITUT D'ASTROPHYSIQUE DE PARIS   (France)

^e Yale University   (United States)

^f INAF OSSERVATORIO ASTRONOMICO DI TRIESTE   (Italy)

^g JOHNS HOPKINS UNIVERSITY   (United States)

^h EUROPEAN SOUTHERN OBSERVATORY   (Germany)

ⁱ Associated Universities Inc   (United States)

Author keywords

Galaxies: active; Galaxies: evolution; Galaxies: high redshift; Surveys X rays: galaxies

Indexed keywords

EID: 1642617756     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1086/378181     Document Type: Review

References (30)

1. Alexander, D., Brandt, W. N., Hornschemeier, A., Garmire, G., Schneider, D., Bauer, F., & Griffiths, R. 2001, AJ, 122, 2156
2. Alexander, D., Vignali, C., Bauer, F., Brandt, W. N., Hornschemeier, A., Garmire, G., & Schneider, D. 2002, AJ, 123, 1149
3. Alexander, D., et al. 2003, AJ, 126, 539
4. Barger, A., Cowie, L., Capak, P., Alexander, D., Bauer, F., Brandt, W. N., Garmire, G., & Hornschemeier, A. 2003, ApJ, 584, L61
5. Beuermann, K., Thomas, H.-C., Reinsch, K., Schwope, A. D., Trümper, J., & Voges, W. 1999, A&A, 347, 47
6. Brandt, W. N., et al. 2001, AJ, 122, 1
7. Brusa, M., Comastri, A., Daddi, E., Cimatti, A., Mignoli, M., & Pozzetti, L. 2002, ApJ, 581, L89
8. Cagnoni, I., Elvis, M., Kim, D. W., Nicastro, F., & Celotti, A. 2002, ApJ, 579, 148
9. Calzetti, D. 1997, AJ, 113, 162
10. Cristiani, S., et al. 2004, ApJ, 600, L119
11. Fan, X., et al. 2001, AJ, 121, 54
12. _. 2003, AJ, 125, 1649
13. Ferrarese, L., & Merritt, D. 2000, ApJ, 539, L9
14. Gebhardt, K., et al. 2000, ApJ, 539, L13
15. Giacconi, R., et al. 2002, ApJS, 139, 369
16. Giavalisco, M., et al. 2004, ApJ, 600, L93
17. Ho, L., et al. 2001, ApJ, 549, L51
18. Homschemeier, A. E., et al. 2001, ApJ, 554, 742
19. Howell, S. B., & Szkody, P. 1990, ApJ, 356, 623
20. Koekemoer, A. M., et al. 2002, ApJ, 567, 657
21. Maccacaro, T., Gioia, I., Wolter, A., Zamorani, G., & Stocke, J. 1988, ApJ, 326, 680
22. Rieke, G. H., & Lebofsky, M. J. 1985, ApJ, 288, 618
23. Schreier, E., et al. 2001, ApJ, 560, 127
24. Smail, I., Owen, F., Morrison, G., Keel, W., Ivison, R., & Ledlow, M. 2002, ApJ, 581, 844
25. Steidel, C., Adelberger, K., Giavalisco, M., Dickinson, M., & Pettini, M. 1999, ApJ, 519, 1
26. Stevens, J., Page, M., Ivison, R., Smail, I., Lehmann, I., Hasinger, G., & Szokoly, G. 2003, MNRAS, 342, 249
27. Stocke, J., Morris, S., Gioia, I., Maccacaro, T., Schild, R., Wolter, A., Fleming, T., & Henry, J. 1991, ApJS, 76, 813
28. Verbunt, F., & Johnston, H. M. 1996, in ASP Conf. Ser. 90, The Origins, Evolution, and Destinies of Binary Stars in Clusters, ed. E. F. Milone & J.-C. Mermilliod (San Francisco: ASP), 300
29. Woo, J.-H., & Urry, C. M. 2002, ApJ, 579, 530
30. Yan, H., Windhorst, R., Röttgering, H., Cohen, S., Odewahn, S., Chapman, S., & Keel, W. 2003, ApJ, 585, 67