SUMMARY OF PROPOSAL 51194

DR. YASUSHI OGASAKA
OGASAKA@IRIDIUM.GSFC.NASA.GOV

NASA/GSFC/JSPS
MD USA 20771
GREENBELT

Tel: 1-301-286-3719 Fax: 1-301-286-1684
Medium: 4GBDAT
Subject: AGN

STUDY OF TYPE 2 QUASARS FROM ULTRALUMINOUS WARM IRAS GALAXY SAMPLE


ABSTRACT

It has been suggested that luminous IRAS galaxies are the new class of AGN which have not been previously detected due to their red colors in optical and the lack of UV excess. Some of them have Sy.2 spectrum in optical but quasar luminosity in FIR, that is, "type 2 quasar" characteristics. Recent studies of IRAS quasars with "warm" FIR colors by ASCA have shown that some of these objects show type 2 characteristics in X-rays, while others show no sign of AGN activity. Here we propose to observe 3 warm IRAS quasars to verify the link between FIR and X-ray emission from quasars and to investigate the nature of type 2 quasars. Our studies in previous AOs have shown some hint of link between X-ray loudness and FIR colors. We will be able to verify this idea in detail with this proposal.

CO-INVESTIGATORS
CO-I NAME INSTITUTE COUNTRY
TSUNEO KIIISASJAPAN
TAKAO NAKAGAWAISASJAPAN
RYUICHI FUJIMOTOISASJAPAN
CHIKO OTANIRIKENJAPAN

TARGETS

TARGET NAMEPRIRADECTIMETCOFFGISSIS CNTOBS
2)IRAS 00198-7926
3
 5.4875-79.1706 40 ksN
Y
P
0.10000
1

TARGET 2

USE LEVEL DISCRI IF NECESSARY