A search for intergalactic molecular hydrogen clouds

Details A search for intergalactic molecular hydrogen clouds A search for intergalactic molecular hydrogen clouds

Mar 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983acasn..24..233c&link_type=abstract

(Acta Astronomica Sinica, vol. 24, 1983, p. 233-247) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 8, March 1984, p.

Astronomy and Astrophysics

Astronomy

1

Hydrogen Clouds, Intergalactic Media, Line Spectra, Molecular Clouds, Quasars, Red Shift, Absorption Spectra, Radio Astronomy, Signal To Noise Ratios, Statistical Analysis

Scientific paper

Published high-resolution spectral observations of the high-redshift quasars OQ172, 4CO5.34, PKSO528-250, and PKS1448-232 are analyzed statistically in a search for molecular-hydrogen absorption lines. The data are presented in tables and subjected to statistical, signal-to-noise-ratio, and astrophysical tests. The only systems identified are one at redshift 2.27292 in OQ172 and two, at redshifts 2.37030 and 2.44478, in 4CO5.34. Discrepancies between these results and those of other searches are discussed.

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