Was 49: Mirror for a hidden Seyfert 1 galaxy

Details Was 49: Mirror for a hidden Seyfert 1 galaxy Was 49: Mirror for a hidden Seyfert 1 galaxy

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993cuny.reptr....h&link_type=abstract

Final Technical Report, 15 Sep. 1992 - 14 Sep. 1993 Columbia Univ., New York, NY. Depts. of Astronomy and Physics.

Astronomy and Astrophysics

Astronomy

Balmer Series, Emission Spectra, Galactic Nuclei, Interacting Galaxies, Photoionization, Seyfert Galaxies, Continuums, Disk Galaxies, Luminosity

Scientific paper

Was 49 is an interacting pair of Seyfert galaxies at z = 0.063, one of which contains a hidden Seyfert 1 nucleus as evidenced by the highly polarized broad wings on its Balmer lines. The disk of the main galaxy, Was 49a, appears to be globally photoionized by a powerful continuum source, undoubtedly the hidden Seyfert 1 companion, Was 49b. The intrinsic luminosity of Was 49b is at least 100 times larger than the observed (scattered) luminosity. A single SWP spectrum of the pair, which can be spatially resolved in the large aperture was obtained. A narrow Ly-alpha line was detected from Was 49b, the hidden Seyfert 1, at a flux level consistent with that of an unreddened Seyfert 2 galaxy. The lack of detection of a continuum is consistent with a power-law of v-1 or steeper extrapolated from the optical, again consistent with the spectrum of other Seyfert 2 and hidden Seyfert 1 galaxies.

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