| Issue |
A&A
Volume 432, Number 1, March II 2005
|
|
|---|---|---|
| Page(s) | 369 - 379 | |
| Section | Atomic, molecular, and nuclear data | |
| DOI | https://doi.org/10.1051/0004-6361:20041729 | |
| Published online | 22 February 2005 | |
An atomic and molecular database for analysis of submillimetre line observations*,**
1
Stockholm Observatory, AlbaNova, 106 91 Stockholm, Sweden e-mail: fredrik@astro.su.se
2
Leiden Observatory, PO Box 9513, 2300 RA Leiden, The Netherlands
3
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany
4
Onsala Space Observatory, 439 92 Onsala, Sweden
Received:
26
July
2004
Accepted:
4
November
2004
Atomic and molecular data for the transitions of a
number of astrophysically interesting species are summarized,
including energy levels, statistical weights, Einstein
A-coefficients and collisional rate coefficients. Available
collisional data from quantum chemical calculations and
experiments are extrapolated to higher energies (up to 
K).
These data, which are made publically available through the WWW at
http://www.strw.leidenuniv.nl/~moldata,
are essential input for non-LTE line radiative transfer
programs. An online version of a computer program for performing statistical
equilibrium calculations is also made available as part of the database.
Comparisons of calculated emission lines using different sets of
collisional rate coefficients are presented.
This database should form an important tool in analyzing
observations from current and future (sub)millimetre and infrared
telescopes.
Key words: astronomical data bases: miscellaneous / atomic data / molecular data / radiative transfer / ISM: atoms / ISM: molecules
© ESO, 2005
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