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Rotational frequencies of transition metal hydrides for astrophysical searches in the far-infraredAccurate frequencies for the lowest rotational transitions of five transition metal hydrides (CrH, FeH, CoH, NiH, and CuH) in their ground electronic states are reported to help the identification of these species in astrophysical sources from their far-infrared spectra. Accurate frequencies are determined in two ways: for CuH, by calculation from rotational constants determined from higher J transitions with an accuracy of 190 kHz; for the other species, by extrapolation to zero magnetic field from laser magnetic resonance spectra with an accuracy of 0.7 MHz.
Document ID
19930072123
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Brown, John M.
(Oxford Univ. United Kingdom)
Beaton, Stuart P.
(NASA Headquarters Washington, DC United States)
Evenson, Kenneth M.
(NIST, Time and Frequency Div., Boulder CO, United States)
Date Acquired
August 16, 2013
Publication Date
September 10, 1993
Publication Information
Publication: Astrophysical Journal, Part 2 - Letters
Volume: 414
Issue: 2
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
93A56120
Funding Number(s)
CONTRACT_GRANT: NASA ORDER W-15047
Distribution Limits
Public
Copyright
Other

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