SUMMARY OF PROPOSAL 42128
PROFESSOR ANDREW STEPHEN WILSON
UNIVERSITY OF MARYLAND
MARYLAND USA 20742
COLLEGE PARK
E-mail: WILSON@ASTRO.UMD.EDU Tel: (301) 405 1519 Fax: (301) 314 9067
Medium: 4GBDAT
Subject: AGN
Title: THE RELATIONSHIP BETWEEN H2O MEGAMASERS AND HARD X-RAY SOURCES IN ACTIVE GALACTIC NUCLEI
Abstract:
We propose to study with ASCA a complete sample of 14 water vapor megamasers in
active galaxies. Nine of these objects have already been observed or are scheduled
for observation with ASCA, and observations of the remaining 5 are requested here.
The goals are to a) check whether the maser luminosities are related to the hard
X-ray luminosities, as predicted by recent theoretical work, b) investigate whether
the absorbing columns are fully accounted for by material in the accretion disks, c)
determine whether galaxies with water vapor megamasers have larger column densities
than those without, and d) estimate mass accretion rates and Eddington ratios. Data
from a program of ongoing radio observations of the megamaser galaxies will be included in the analysis.
Co-Is:
1 JAMES BRAATZ UNIV OF MARYLAND USA
JBRAATZ@ASTRO.UMD.EDU (301) 405 1554
2 CHRISTIAN HENKEL MPIFR, BONN GERMANY
3 KIMBERLY WEAVER JOHNS HOPKINS UNIV USA
Target Name PRI RA Dec Time TC Off GIS SIS_Cts Obs
------------------- --- -------- -------- ---- -- --- --- ------- ---
MARK 1 0 19.0300 33.0896 20 N Y P 0.06400 1
REMARKS: ONCE THE ASCA OBSERVATIONS HAVE BEEN SCHEDULED, WE SHALL ATTEMPT TO
ARRANGE SIMULTANEOUS RADIO OBSERVATIONS. THEREFORE, PLEASE TELL THE P.I.
THE OBSERVATION DATE AS SOON AS KNOWN.
NGC1052 0 40.2696 -8.2558 40 N Y P 0.02700 1
REMARKS: ONCE THE ASCA OBSERVATIONS HAVE BEEN SCHEDULED, WE SHALL ATTEMPT TO
ARRANGE SIMULTANEOUS RADIO OBSERVATIONS. THEREFORE, PLEASE TELL THE P.I.
THE OBSERVATION DATE AS SOON AS KNOWN.
IC2560 0 154.0800 -33.5648 40 N Y P 0.02700 1
REMARKS: ONCE THE ASCA OBSERVATIONS HAVE BEEN SCHEDULED, WE SHALL ATTEMPT TO
ARRANGE SIMULTANEOUS RADIO OBSERVATIONS. THEREFORE, PLEASE TELL THE P.I.
THE OBSERVATION DATE AS SOON AS KNOWN.
REMARKS: ONCE THE ASCA OBSERVATIONS HAVE BEEN SCHEDULED, WE SHALL ATTEMPT TO
ARRANGE SIMULTANEOUS RADIO OBSERVATIONS. THEREFORE, PLEASE TELL THE P.I.
THE OBSERVATION DATE AS SOON AS KNOWN.
REMARKS: ONCE THE ASCA OBSERVATIONS HAVE BEEN SCHEDULED, WE SHALL ATTEMPT TO
ARRANGE SIMULTANEOUS RADIO OBSERVATIONS. THEREFORE, PLEASE TELL THE P.I.
THE OBSERVATION DATE AS SOON AS KNOWN.