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1998A&A...334L..81C - Astronomy and Astrophysics, volume 334L81-84 (1998/6-3)
Search for LiH in the ISM towards B0218+357.
COMBES F. and WIKLIND T.
Abstract (from CDS):
We report a tentative detection with the IRAM 30m telescope of the LiH molecule in absorption in front of the lensed quasar B0218+357. We have searched for the J=0->1 rotational line of lithium hydride at 444GHz (redshifted to 263GHz). The line, if detected, is optically thin, very narrow, and corresponds to a column density of N(LiH)=1.6x1012cm–2 for an assumed excitation temperature of 15K, or a relative abundance LiH/H2∼3x10–12. We discuss the implications of this result.
Abstract Copyright: ∼
Journal keyword(s): ISM: general, abundances, molecules - galaxies: ISM - quasars: absorption lines - radio lines: ISM
Simbad objects: 3
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