Detection of interstellar sodium hydroxide in self-absorption toward the galactic center

Details Detection of interstellar sodium hydroxide in self-absorption toward the galactic center Detection of interstellar sodium hydroxide in self-absorption toward the galactic center

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...262l...1h&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 262, Nov. 1, 1982, p. L1-L5.

Other

12

Interstellar Chemistry, Milky Way Galaxy, Molecular Clouds, Molecular Spectra, Self Absorption, Sodium Hydroxides, Emission Spectra, Galactic Nuclei, H Lines, Orion Nebula, Transition Probabilities

Scientific paper

A weak self-absorbed emission line, which is identified as the J = 4-3 transition of sodium hydroxide, has been detected in the direction of Sgr B2(OH). The correspondingly weak Sgr B2(QH) emission line U75406, previously reported as an unidentified spectral feature by other investigators, is consistent with the J = 3-2 transition of sodium hydroxide. This detection may represent the first evidence of a grain reaction formation mechanism for simple metal hydroxides. The detection of H62 Delta toward Orion A is also reported.

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