Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..213...69w&link_type=abstract
Bioastronomy 2002: Life Among the Stars, Proceedings of IAU Symposium #213. Edited by R. Norris, and F. Stootman. San Francisco:
Astronomy and Astrophysics
Astronomy
1
Scientific paper
The results of a submillimetre wavelength spectral line survey between 455.1 - 507.4 GHz of the Orion-KL hot cloud core are reported. 254 lines were detected, and are associated with 30 different molecular species or their isotopomeric variants. Apart from the abundant diatomic rotors such as CO and CS, the spectrum is dominated by SO, SO_2 and CH_3OH and large organic molecules such as (CH_3)_2O, CH_3CN, C_2H_3CN, C_2H_5CN and HCOOCH_3 which make up ˜ 72% of the total number of lines; unidentified lines ˜ 13%; and other lines the remaining ˜ 15% of the total. Rotational temperatures and column densities derived using standard rotation diagram analysis techniques were found to range from 70 - 600 K, and 10^{14} - 10^{17}cm^2 respectively.
Araki Mitsunori
Greaves Jane S.
Ohishi Masaki
White Glenn J.
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