Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..363...95b&link_type=abstract
The Nature of V838 Mon and its Light Echo ASP Conference Series, Vol. 363, Proceedings of the conference held 16-19 May, 2006 in
Astronomy and Astrophysics
Astronomy
1
Scientific paper
BT2 is the most accurate and complete synthetic water line list in existence; it includes over 505 million transitions. BT2 spectra generated at various temperatures and column densities were fitted to observed H band spectra of V838 Mon recorded on 5 dates between 20 Nov. 2002 and 25 Dec. 2004. Five absorption features in the observed spectra were identified as being due to water. With one exception, where there was a single strong water line, all of the featues were blends of water lines. 17 individual water lines were assigned and the rotational temperatures and H_2O column densities of the circumstellar ejected envelope were determined for each of the five dates.
Ashok Nagarhalli M.
Banerjee Dipankar P. K.
Barber Robert J.
Tennyson Jonathan
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