Spectral observations of the quasar S5 0014 + 81 - Analysis of the emission spectrum

Details Spectral observations of the quasar S5 0014 + 81 - Analysis of the emission spectrum Spectral observations of the quasar S5 0014 + 81 - Analysis of the emission spectrum

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987azh....64..262v&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 64, Mar.-Apr. 1987, p. 262-270. In Russian.

Astronomy and Astrophysics

Astronomy

2

Astronomical Spectroscopy, Emission Spectra, Quasars, Gas Density, Hydrogen Clouds, Line Spectra, Neutral Gases, Red Shift

Scientific paper

The 6-m telescope of the USSR Academy of Sciences was used to obtain the spectrum of the quasar S5 0014 + 81 in the 4500-7000 A range (10-A resolution). On the basis of six emission lines, a redshift of 3.382 + or - 0.003 was determined. From a Lyman discontinuity value of about 0.5, the line-of-sight column density of neutral hydrogen was estimated to be 10 to the 17th/sq cm. The spectral features are analyzed and possible explanations for the high luminosity of the quasar are considered.

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