544 citations · 6k across the 105 of their papers we have counts for
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astro-ph2001
H_2 molecules in damped systems
R. Srianand, P. Petitjean, C. Ledoux
Damped Lyman alpha systems seen in the spectra of high-z QSOs arise in high-density neutral gas in which molecular hydrogen (H_2) should be conspicuous. Systematic searches to dete…
astro-ph2001★ 54 cited
HD Molecular Lines in an Absorption System at Redshift z = 2.3377
D. Varshalovich, A. Ivanchik, P. Petitjean +2
We have analyzed the spectrum of the quasar PKS 1232+082 obtained by Petitjean et al. (2000). HD molecular lines are identified in an absorption system at the redshift z=2.3377. Th…