SUMMARY OF PROPOSAL 71137
NAGOYA UNIV.
CHIKUSA-KU
NAGOYA
AICHI JAPAN 464-8602
Tel: 052-789-2918 Fax: 052-789-2919
Medium: 4GBDAT
Subject: AGN
ACCRETION PROCESS IN LOW LUMINOSITY SEYFERT GALAXIES - MULTIWAVELENGTH STUDY OF ADVECTION DOMINATED DISKS -
ABSTRACT
We propose ASCA observations of the low luminosity (LX <10^41 ergs/s) Seyfert galaxy NGC3245 to clarify its accretion process by measuring iron emission lines and continuum shape. We measure Eddigton ratio from an X-ray luminosity and blackhole mass determined with HST STIS data. An advection dominated accretion flow is expected to be present under low Eddigton ratio as in NGC4258. In this case, a disk is heated up to extremely high temperature and iron atoms are fully ionized. Thus we expect no iron emissin lines. We already have VLA and HST optical/UV data for these galaxies and X-ray data will be also used to compare spectral enegy distribution with advection dominated models.
CO-INVESTIGATORS
| CO-I NAME | INSTITUTE | COUNTRY |
|---|
| HIDEYO KUNIEDA | NAGOYA UNIV. | JAPAN |
| LUIS HO | CARNEGIE OBSERVATORY | USA |
| ANDY PTAK | CARNEGIE MELON UNIV. | USA |
| PETER SERLEMITSOS | NASA/GSFC | USA |
TARGETS
| TARGET NAME | PRI | RA | DEC | TIME | TC | OFF | GIS | SIS CNT | OBS |
|---|
| 1)NGC3245 | B | 156.8267 | 28.5075 | 80 ks | N | Y | P | 0.07000 | 1 |