Variability of Seyfert galaxies in the near-infrared. I - an outburst in NGC 2992

Details Variability of Seyfert galaxies in the near-infrared. I - an outburst in NGC 2992 Variability of Seyfert galaxies in the near-infrared. I - an outburst in NGC 2992

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997mnras.292l..50g&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 292, p. L50-L54

Astronomy and Astrophysics

Astronomy

14

Seyfert Galaxies, Variability, Near Infrared Radiation, Light Curve, Cosmic Dust, Exponential Functions, Color, Astronomical Models

Scientific paper

The IR light curve of the Seyfert 1.9 galaxy NGC 2992 shows a strong
outburst between JD 244 7243 and 244 8734 of total energy 6 x 10 exp 43
J and having an exponential decay. The colors of the variable components
are extracted by the method of flux variation gradients and discussed in
terms of a hot dust model.

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