Computer Science
Scientific paper
Mar 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999ycat..21170427n&link_type=abstract
VizieR On-line Data Catalog: J/ApJS/117/427. Originally published in: 1998ApJS..117..427N
Computer Science
Interstellar Medium, Spectroscopy, Radio Lines
Scientific paper
We have surveyed the frequency band 218.30-263.55GHz toward the core positions N and M and the quiescent cloud position NW in the Sgr B2 molecular cloud using the Swedish-ESO Submillimetre Telescope. In total 1730, 660, and 110 lines were detected in N, M, and NW, respectively, and 42 different molecular species were identified. The number of unidentified lines are 337, 51, and eight. Toward the N source, spectral line emission constitutes 22% of the total detected flux in the observed band, and complex organic molecules are the main contributors. Toward M, 14% of the broadband flux is caused by lines, and SO2 is here the dominant source of emission. NW is relatively poor in spectral lines and continuum. In this paper we present the spectra together with tables of suggested line identifications. (5 data files).
Bergman Per
Friberg Paul
Hjalmarson Å..
Irvine William M.
Millar Thomas J.
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