Journal
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
Volume 235, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.3847/1538-4365/aab431
Keywords
astrochemistry; molecular data; molecular processes; radiation mechanisms: thermal
Categories
Funding
- Federal University of Minas Gerais (UFMG)
- French Embassy
- Brazilian agency CNPq
- Brazilian agency FAPEMG
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Linelists and radiative cooling functions in the local thermodynamic equilibrium limit have been computed for the six most important isotopologues of lithium hydride, (LiH)-Li-7, (LiH)-Li-6, (LiD)-Li-7, (LiD)-Li-6, (LiT)-Li-7, and (LiT)-Li-6. The data are based on the most accurate dipole moment and potential energy curves presently available, the latter including adiabatic and leading relativistic corrections. Distance-dependent reduced vibrational masses are used to account for non-adiabatic corrections of the rovibrational energy levels. Even for (LiH)-Li-7, for which linelists have been reported previously, the present linelist is more accurate. Among all isotopologues, (LiH)-Li-7 and (LiH)-Li-6 are the best coolants, as shown by the radiative cooling functions.
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