Formaldehyde in the galactic center region - Observations

Details Formaldehyde in the galactic center region - Observations Formaldehyde in the galactic center region - Observations

Nov 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26as...42..163b&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 42, Nov. 1980, p. 163-176.

Astronomy and Astrophysics

Astronomy

28

Formaldehyde, Galactic Nuclei, Interstellar Matter, Milky Way Galaxy, Molecular Absorption, Optical Thickness, Radial Velocity, Abundance, Astronomical Maps, Longitude, Molecular Clouds, Radio Astronomy, Radio Sources (Astronomy), Velocity Distribution

Scientific paper

Data on formaldehyde absorption are presented for the region extending from Sgr A to Sgr B2. The data were taken during 1974-1976 with the Effelsberg 100-m telescope which at 4.8 GHz has a half-power beamwidth of 2.6 arcmin and aperture and beam efficiencies of 0.47 and 0.65, respectively. The data are presented in the form of longitude-velocity diagrams and as spatial maps of apparent optical depth within selected velocity intervals. Detailed maps of the molecular clouds near Sgr A, Sgr B2, and the continuum Arc near L equals 0.2 deg are given; isotope ratio maps are also presented.

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