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2000ApJ...530..800P - Astrophys. J., 530, 800-805 (2000/February-3)
Identification of new methanol lines toward Sagittarius B2.
PEI C.C., LIU S.-Y. and SNYDER L.E.
Abstract (from CDS):
The first astronomical measurements of the Jk=182-181, 192-191, and 202-201 E transitions of methanol (CH3OH) are presented. A rotational temperature Trot=170(13) K was determined for the Sgr B2N-LMH core by combining the data from the Jk=132-131 and 172-171 E transitions. The total column density of CH3OH is NT(CH3OH)=4.2(6)x1017 cm–2, and the fractional abundance of CH3OH is X(CH3OH)~4x10–8. The H59α recombination line and a new unidentified line were detected.
Abstract Copyright: ∼
Journal keyword(s): Galaxy: Center - ISM: Abundances - ISM: individual (Sagittarius B2) - ISM: Molecules - Line: Identification
Simbad objects: 5
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