Variability of the spectrum of the galaxy kaz 701

Details Variability of the spectrum of the galaxy kaz 701 Variability of the spectrum of the galaxy kaz 701

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ap.....54..333k&link_type=abstract

Astrophysics, Volume 54, Issue 3, pp.333-339

Astronomy and Astrophysics

Astrophysics

Galaxies: Spectra, Variability— Individual, Kaz 701

Scientific paper

Results from a spectrophotometric study of the galaxy Kaz 701 are presented. Spectra of this galaxy were obtained on the 2.6-m telescope at the Byurakan Observatory with the SCORPIO spectral camera. In the spectra of Kaz 701, strong Hα, [OIII] λλ5007, 4959, and Hβ emission were observed, and the [SII]λλ6731, 6717 lines were observed with moderate intensities, while the [NII]λ6584 line was scarcely noticeable in the spectra obtained in 2004, but was much more intense in the spectra of 2009. The lines observed in the spectrum of this galaxy are typical of type Sy2 galaxies. A component was observed in the red wings of both the Hα and Hβ lines in the data of 2004, but, although these lines were stronger, these components were absent in the spectra taken in 2009. The relative intensities, equivalent widths, and half widths of these lines are given. These data, obtained in different observation periods (2004 and 2009), differ greatly; that is, the emission is variable.

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