Monitoring the long term variable Seyfert 2 galaxy NGC 2992

Details Monitoring the long term variable Seyfert 2 galaxy NGC 2992 Monitoring the long term variable Seyfert 2 galaxy NGC 2992

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005xmm..prop...71m&link_type=abstract

XMM-Newton Proposal ID #04018301

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Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, Ngc 2992, Xmm-Newton Proposal 04018301

Scientific paper

We propose to observe with XMM-Newton in AO5 the highly variable Seyfert 2 galaxy NGC 2992. The source has been observed to vary in flux by more than one order of magnitude in a few years. The time behaviour of the iron line is very interesting, suggesting the presence of two components, one narrow and constant on time scale of years, the other broad and probably originating in the accretion disc. We propose to observe the source twice, once per visibility window (i.e. about six months apart), 25 ks per pointing, not only to confirm the presence of the relativistic line (if the source will still be in high state, in at least one of the two observations) but also to study continuum and iron line variations on time scale of months and, when compared to previous observations, of years.

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