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ASCA Observations of the Type-2 Quasar RXJ13434+0001 at z = 2.35

Published online by Cambridge University Press:  25 May 2016

T. Yamada ,
Y. Ueda ,
T. Takahashi ,
K. Ohta ,
M. Cappi ,
C. Ohtani  and
Y. Ishisaki
T. Yamada
Affiliation:
Astronomical Institute Tohoku University, Aoba-ku, Sendai 980-77, Japan
Y. Ueda
Affiliation:
Institute of Space and Astronautical Science, 3-1-1, Yoshinodani, Sagamihara, Kanagawa 229, Japan
T. Takahashi
Affiliation:
Institute of Space and Astronautical Science, 3-1-1, Yoshinodani, Sagamihara, Kanagawa 229, Japan
K. Ohta
Affiliation:
Department of Astronomy, Faculty of Science, Kyoto University, Sakyo-ku, Kyoto, 606-01, Japan
M. Cappi
Affiliation:
Institute of Physical and Chemical Research (RIKEN), Wako, Saitoma, 351-01, Japan
C. Ohtani
Affiliation:
Institute of Physical and Chemical Research (RIKEN), Wako, Saitoma, 351-01, Japan
Y. Ishisaki
Affiliation:
Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-03, Japan

Extract

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RXJ 13434+0001 is a rare example of radio-quiet type-2 quasars at high redshift. It was discovered through deep ROSAT observations and identified with a galaxy with a strong but narrow Lyα emission line at z = 2.35. In order to constrain the hard-X-ray properties we observed RXJ 13434+0001 with ASCA. The main purpose is to study the origin of the X-ray emission observed with ROSAT. If it is a scattered component from a strongly absorbed AGN, we could see it much brighter in the hard X-ray band.

Type
Nuclear Activity
Information
Symposium - International Astronomical Union , Volume 186: Galaxy Interactions at High and Low Redshift , 1999 , pp. 365
Copyright
Copyright © Kluwer 1999