Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...207..780g&link_type=abstract
Astrophysical Journal, vol. 207, Aug. 1, 1976, pt. 1, p. 780-783. NSF-NASA-supported research.
Astronomy and Astrophysics
Astronomy
56
Astronomical Spectroscopy, Hydroxyl Emission, Infrared Astronomy, Maser Outputs, Microwave Spectra, Absorption Spectra, Astronomical Photometry, Ice, Interstellar Masers, Molecular Absorption, Silicates, Spectrophotometry, Water Masers
Scientific paper
Infrared spectrophotometry from 2.1 to 4.1 microns and from 7.7 to 13.3 microns of the peculiar OH maser source OH 231.8 + 4.2 identified with OH 0739-14 is reported. Deep absorption features are found at 3.1 microns and from 8 to 13 microns, and are identified with absorption by cold ices and silicates in the line of sight to the infrared source. The infrared flux is also found to vary. These infrared observations present new difficulties in understanding the nature of the object. Several possibly useful observations of OH 231.8 + 4.2 are suggested.
Gillett Fred C.
Soifer Thomas B.
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