The first optical validation of an X-ray line-emitting object:: A detection in the XMM-Newton observation of the Chandra Deep Field-South

被引:7
作者
Braito, V [1 ]
Maccacaro, T [1 ]
Caccianiga, A [1 ]
Severgnini, P [1 ]
Della Ceca, R [1 ]
机构
[1] Osserv Astron Brera, INAF, I-20121 Milan, Italy
关键词
galaxies : active; galaxies : nuclei; surveys; X-rays : galaxies;
D O I
10.1086/429253
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present the first optical validation of an X-ray line-emitting object (XLEO) discovered in the XMM-Newton observation of the Chandra Deep Field - South. The object is an active galactic nucleus at z(x) similar to 0.66. An optical spectrum of the source indeed confirms and refines (z(o) = 0.665) the redshift obtained from the X- ray line. The X-ray and optical properties of the source are presented and discussed.
引用
收藏
页码:L97 / L100
页数:4
相关论文
共 15 条
[1]   A three-dimensional diagnostic diagram for Seyfert 2 galaxies: Probing X-ray absorption and Compton thickness [J].
Bassani, L ;
Dadina, M ;
Maiolino, R ;
Salvati, M ;
Risaliti, G ;
Della Ceca, R ;
Matt, G ;
Zamorani, G .
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1999, 121 (02) :473-482
[2]   SURVEY OF INTER-STELLAR H-I FROM L-ALPHA ABSORPTION-MEASUREMENTS .2. [J].
BOHLIN, RC ;
SAVAGE, BD ;
DRAKE, JF .
ASTROPHYSICAL JOURNAL, 1978, 224 (01) :132-142
[3]   Stellar population synthesis at the resolution of 2003 [J].
Bruzual, G ;
Charlot, S .
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2003, 344 (04) :1000-1028
[4]   H I IN THE GALAXY [J].
DICKEY, JM ;
LOCKMAN, FJ .
ANNUAL REVIEW OF ASTRONOMY AND ASTROPHYSICS, 1990, 28 :215-261
[5]   ATLAS OF QUASAR ENERGY-DISTRIBUTIONS [J].
ELVIS, M ;
WILKES, BJ ;
MCDOWELL, JC ;
GREEN, RF ;
BECHTOLD, J ;
WILLNER, SP ;
OEY, MS ;
POLOMSKI, E ;
CUTRI, R .
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1994, 95 (01) :1-68
[6]   A HIGH SIGNAL-TO-NOISE RATIO COMPOSITE QUASAR SPECTRUM [J].
FRANCIS, PJ ;
HEWETT, PC ;
FOLTZ, CB ;
CHAFFEE, FH ;
WEYMANN, RJ ;
MORRIS, SL .
ASTROPHYSICAL JOURNAL, 1991, 373 (02) :465-470
[7]   Chandra Deep Field South:: The 1 Ms catalog [J].
Giacconi, R ;
Zirm, A ;
Wang, JX ;
Rosati, P ;
Nonino, M ;
Tozzi, P ;
Gilli, R ;
Mainieri, V ;
Hasinger, G ;
Kewley, L ;
Bergeron, J ;
Borgani, S ;
Gilmozzi, R ;
Grogin, N ;
Koekemoer, A ;
Schreier, E ;
Zheng, W ;
Norman, C .
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 2002, 139 (02) :369-410
[8]   The spectral energy distributions of low-luminosity active galactic nuclei [J].
Ho, LC .
ASTROPHYSICAL JOURNAL, 1999, 516 (02) :672-682
[9]  
Krolik J. H., 1999, Active Galactic Nuclei: From the Central Black Hole to the Galactic Environment
[10]   MONTE-CARLO SIMULATIONS OF X-RAY-SPECTRA FOR INTERNALLY ILLUMINATED SPHERICAL MATTER DISTRIBUTIONS [J].
LEAHY, DA ;
CREIGHTON, J .
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1993, 263 (02) :314-322