Characteristics of the H2CO maser emission in SGR B2

Details Characteristics of the H2CO maser emission in SGR B2 Characteristics of the H2CO maser emission in SGR B2

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.218..385g&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 218, Feb. 1, 1986, p. 385-391.

Astronomy and Astrophysics

Astronomy

26

Emission Spectra, Formaldehyde, Interstellar Masers, Molecular Clouds, Radio Astronomy, Angular Resolution, High Resolution, Hydroxyl Emission, Spectral Resolution, Water Masers

Scientific paper

VLA observations of the 5-GHz H2CO maser emission towards Sgr B2, made with high spectral and angular resolution (0.76 km s-1, 1.25 arcsec respectively), show that most of the emission consists of multiple narrow components with velocity halfwidths between 0.6 and 3.0 km s-1. The minimum maser gains range from 0.2 to 60. All five masers are located near OH or H2O masers, suggesting a common mechanism for maser production.

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