Sensitive ammonia observations in the southern hemisphere

Details Sensitive ammonia observations in the southern hemisphere Sensitive ammonia observations in the southern hemisphere

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87.1202d&link_type=abstract

Astronomical Journal, vol. 87, Aug. 1982, p. 1202-1206.

Astronomy and Astrophysics

Astronomy

8

Ammonia, Extremely High Frequencies, Interstellar Gas, Molecular Clouds, Southern Sky, Spectrum Analysis, Deep Space Network, Formaldehyde, Gas Density, Radial Velocity, Spacecraft Antennas

Scientific paper

The 64-m spacecraft communication antenna of the NASA-JPL Deep Space Network has been equipped for spectral line observations at K band (18-25 GHz). To demonstrate the potential of this system, preliminary observations of the (1, 1) transition of ammonia are reported for a selection of eight southern molecular clouds. Estimates of gas density and ammonia column density are reported for six sources.

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