GINGA Observations of an Intense Variable Iron Line in MARKARIAN:841

Details GINGA Observations of an Intense Variable Iron Line in MARKARIAN:841 GINGA Observations of an Intense Variable Iron Line in MARKARIAN:841

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.247p..15d&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 247, NO.2/NOV15, P. 15P, 1990

Astronomy and Astrophysics

Astronomy

19

Scientific paper

We report on a GINGA observation of the luminous Seyfert 1 galaxy, Mkn 841, in which a strong iron line, of equivalent width 400 eV, was seen. Comparison with a previous, fainter GINGA observation shows that this line is variable. The continuum power4aw index of 1.5 is flatter than observed from typical AGN and suggests that there is an unusually strong reflected component in this source. In this it may be similar to the rapidly varying Seyfert 1 galaxy NGC 6814. The presence and strength of the reflected component in AGN is a useful ingredient in the construction of models of the innermost regions of such objects.

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