Aperture synthesis observations of the molecular environment of the SGR A complex. I - The M-0.13-0.08 molecular cloud

Details Aperture synthesis observations of the molecular environment of the SGR A complex. I - The M-0.13-0.08 molecular cloud Aperture synthesis observations of the molecular environment of the SGR A complex. I - The M-0.13-0.08 molecular cloud

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...347..240o&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 347, Dec. 1, 1989, p. 240-250.

Astronomy and Astrophysics

Astrophysics

26

Interstellar Masers, Milky Way Galaxy, Molecular Clouds, Sagittarius Constellation, Water Masers, Emission Spectra, Galactic Nuclei, Interstellar Gas, Spatial Distribution, Spectral Line Width, Star Formation

Scientific paper

NH3 and H2O maser observations of the 20 km/s molecular cloud M-0.13-0.08 in the Sgr A complex region are reported. NH3 (1,1) and (2,2) lines were observed simultaneously, and the molecular gas temperature and density are estimated. The NH3 emission is elongated in the smae direction of the entire M-0.13-0.08 cloud and has a large velocity gradient along its major axis. Strong NH3 emission is located in the northern part of the cloud, where a perturbed velocity field and broad line widths are observed. In addition, a new H2O maser spot was detected near one of the nonthermal continuum sources. These observational results suggest the physical association between a part of the M-0.13-0.08 molecular cloud and the nonthermal continuum sources in the Sgr A complex.

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