Fe II/Mg II emission-line ratios of QSOs. II. z > 6 objects

Astrophysical Journal

Volumn 614, Issue 1 I, 2004, Pages 69-74

  Iwamuro, Fumihide ^a   Kimura, Masahiko ^a   Eto, Shigeru ^a   Maihara, Toshinori ^a   Motohara, Kentaro ^b   Yoshii, Yuzuru ^b,c   Doi, Mamoru ^b  

^a KYOTO UNIVERSITY   (Japan)

^b UNIVERSITY OF TOKYO   (Japan)

^c UNIVERSITY OF TOKYO   (Japan)

Author keywords

Galaxies: active; Infrared: general; Quasars: emission lines; Quasars: general

Indexed keywords

EID: 10844263371     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1086/423610     Document Type: Article

References (22)

1. Barth, A. J., Martini, P., Nelson, C. H., & Ho, L. C. 2003, ApJ, 594, L95
2. Dietrich, M., Hamann, F., Appenzeller, I., & Vestergaard, M. 2003, ApJ, 596, 817
3. Fan, X., et al. 2001, AJ, 122, 2833
4. _. 2003, AJ, 125, 1649
5. Francis, P. J., Hewett, P. C., Foltz, C. B., Chaffee, F. H., Weymann, R. J., & Morrís, S. L. 1991, ApJ, 373, 465
6. Freudling, W., Corbin, M. R., & Korista, K. T. 2003, ApJ, 587, L67
7. Friaca, A. C. S., & Terlevich, R. J. 1998, MNRAS, 298, 399
8. Hamann, F., & Ferland, G. 1999, ARA&A, 37, 487
9. Iwamuro, F., Motohara, K., Maihara, T., Hata, R., & Harashima, T. 2001, PASJ, 53, 355
10. Iwamuro, F., Motohara, K., Maihara, T., Kimura, M., Yoshii, Y., & Doi, M. 2002, ApJ, 565, 63 (Paper I)
11. Kinney, A. L., Bohlin, R. C., Blades, J. C., & York, D. G. 1991, ApJS, 75, 645
12. Maiolino, R., Juarez, Y., Mujica, R., Nagar, N. M., & Oliva, E. 2003a, ApJ, 596, L155
13. Maiolino, R., Oliva, E., Ghinassi, F., Pedani, M., Mannucci, F., Mujica, R., & Juarez, Y. 2003b, A&A, submitted (astro-ph/0312402)
14. Matteucci, F., & Recchi, S. 2001, ApJ, 558, 351
15. Motohara, K., et al. 2002, PASJ, 54, 315
16. Schneider, D. P., et al. 2003, AJ, 126, 2579
17. Thompson, K. L., Hill, G. J., & Elston, R. 1999, ApJ, 515, 487 (THE99)
18. Tsuzuki, Y. 2004, Ph.D. thesis, Univ. Tokyo
19. Verner, E., Bruhweiler, F., Verner, D., Johansson, S., & Gull, T. 2003, ApJ, 592, L59
20. Wills, B. J., Netzer, H., & Wills, D. 1985, ApJ, 288, 94
21. Yoshii, Y., Tsujimoto, T., & Kawara, K. 1998, ApJ, 507, L113
22. Yoshii, Y., Tsujimoto, T., & Nomoto, K. 1996, ApJ, 462, 266