Molecular hydrogen lines in quasar spectra

Details Molecular hydrogen lines in quasar spectra Molecular hydrogen lines in quasar spectra

Apr 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978pazh....4..115v&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 4, Mar. 1978, p. 115-117.) Soviet Astronomy Letters, vol. 4, Mar.-Apr. 1978, p. 61, 62.

Astronomy and Astrophysics

Astronomy

1

Absorption Spectra, Astronomical Spectroscopy, H Lines, Line Spectra, Molecular Spectra, Quasars, Abundance, Emission Spectra, Lyman Spectra, Red Shift, Ultraviolet Spectra

Scientific paper

Preliminary results are reported for a search for H2 absorption lines in the spectra of two quasars, 4C 25.05 and OQ 172, which exhibit a large number of absorption lines. It is shown that several absorption lines in the spectra of both quasars may be identifiable with redshifted VUV lines of the Lyman and Werner series of H2. Rough estimates of the relative intensities of the H2 and H I lines indicate that the amount of hydrogen in molecular form is comparable to the amount in atomic form and might even be greater.

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