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Title:
The near-ultraviolet spectrum of Markarian 205
Authors:
Bahcall, John N.; Jannuzi, Buell T.; Schneider, Donald P.; Hartig, George F.; Jenkins, Edward B.
Affiliation:
AA(Inst. for Advanced Study, Princeton, NJ), AB(Inst. for Advanced Study, Princeton, NJ), AC(Inst. for Advanced Study, Princeton, NJ), AD(Space Telescope Science Inst., Baltimore, MD), AE(Princeton Univ. Observatory, NJ)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 398, no. 2, p. 495-500. (ApJ Homepage)
Publication Date:
10/1992
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Active Galactic Nuclei, Barred Galaxies, Interacting Galaxies, Markarian Galaxies, Quasars, Ultraviolet Spectra, Absorption Spectra, Emission Spectra, Interstellar Gas
DOI:
10.1086/171872
Bibliographic Code:
1992ApJ...398..495B

Abstract

We report measurements of the absorption and of the emission lines between 1600 and 3200 A in the spectrum of the nearby AGN Markarian 205 (z = 0.071), which lies at a projected distance of 3 kpc (H0 = 100 km/s) from the nucleus of the nearby barred spiral galaxy, NGC 4319 (z = 0.0047). The results were obtained using high-resolution (R = 1300) observations with the Faint Object Spectrograph of the HST. A total of 15 absorption lines, 13 of which are produced by Galactic gas, and four AGN emission lines are detected. Two of the absorption lines, the Mg II resonant doublet, are produced by gas in the intervening galaxy NGC 4319. This is the first detection of absorption due to intervening gas in this famous quasar-galaxy pair.

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