Detection of formic acid in Sagittarius B2 by its 2/11/-2/12/ transition

Details Detection of formic acid in Sagittarius B2 by its 2/11/-2/12/ transition Detection of formic acid in Sagittarius B2 by its 2/11/-2/12/ transition

Aug 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...200l..33w&link_type=abstract

Astrophysical Journal, vol. 200, Aug. 15, 1975, pt. 2, p. L33-L36.

Astronomy and Astrophysics

Astronomy

17

Electron Transitions, Emission Spectra, Formic Acid, Galactic Nuclei, Interstellar Gas, Radio Sources (Astronomy), Line Spectra, Microwave Spectra, Transition Probabilities

Scientific paper

Interstellar formic acid, HCOOH, has been detected at 4.9 GHz by its 2(11)-2(12) transition from the direction of the galactic center radio source Sgr B2. The emission line, which has a peak antenna temperature of 0.04 K and a full width to half-power of 24 km per sec, probably results from an inversion of the Ka 1 doublets. The total column density of HCOOH remains uncertain.

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