Search for correlated UV and X ray absorption of NGC 3516

Details Search for correlated UV and X ray absorption of NGC 3516 Search for correlated UV and X ray absorption of NGC 3516

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991cuny.rept.....m&link_type=abstract

Final Technical Report, 15 Jun. 1989 - 31 Dec. 1990 Columbia Univ., New York, NY. Astrophysics Lab.

Astronomy and Astrophysics

Astrophysics

Absorption Spectra, Correlation, Emission Spectra, Line Spectra, Seyfert Galaxies, Ultraviolet Absorption, X Ray Absorption, Abundance, Astronomical Spectroscopy, Carbon, Continuums, Iue, Nitrogen, Silicon

Scientific paper

NGC 3516, a low-luminosity Seyfert galaxy, is one of a small fraction of Seyfert galaxies that exhibit broad absorption in a resonance line. In order to determine whether the UV and x ray absorption in NGC 3516 are related, 5 IUE observations were obtained, quasi-simultaneously with 4 Ginga observations. The results are presented and discussed. The following subject areas are covered: short-term UV variability; emission lines; galactic absorption lines; the C IV, N V, and Si IV absorption features; lower limit on the carbon column density; estimate of the distance from the absorber to the continuum source; variability in the continuum and absorption; a comparison with BAL QSO's; and the x ray-UV connection.

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