Constraints on the Black Hole Mass in AGN from X-ray Observations

Details Constraints on the Black Hole Mass in AGN from X-ray Observations Constraints on the Black Hole Mass in AGN from X-ray Observations

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...190.5103y&link_type=abstract

American Astronomical Society, 190th AAS Meeting, #51.03; Bulletin of the American Astronomical Society, Vol. 29, p.846

Astronomy and Astrophysics

Astronomy

1

Scientific paper

The ASCA satellite has produced some high-quality data of AGN in the 0.5-10 keV band with high sensitivity and good energy resolution. ASCA has now resolved the complex shape of the iron K line in several AGN. Whilst rapid variability of the X-ray continuum is common in many AGN, so far there have been only three sources in which variability of the iron K line has been detected. Using observations of both the continuum and iron K line variability we show how an upper limit to the mass of the putative central black hole can be estimated from (1) time lags and (2) relativistic time dilation.

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