Identification of New Methanol Lines toward Sagittarius B2

Details Identification of New Methanol Lines toward Sagittarius B2 Identification of New Methanol Lines toward Sagittarius B2

Feb 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000apj...530..800p&link_type=abstract

The Astrophysical Journal, Volume 530, Issue 2, pp. 800-805.

Astronomy and Astrophysics

Astronomy

13

Galaxy: Center, Ism: Abundances, Ism: Individual (Sagittarius B2), Ism: Molecules, Line: Identification

Scientific paper

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.

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