Aperture synthesis observations of the high velocity cloud HVC 132+23-211

Details Aperture synthesis observations of the high velocity cloud HVC 132+23-211 Aperture synthesis observations of the high velocity cloud HVC 132+23-211

Oct 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976a%26a....52..133s&link_type=abstract

Astronomy and Astrophysics, vol. 52, no. 1, Oct. 1976, p. 133-138.

Astronomy and Astrophysics

Astrophysics

31

Astronomical Maps, Hydrogen Clouds, Interstellar Gas, Astronomical Spectroscopy, Brightness Temperature, Filaments, Radio Telescopes, Spatial Distribution

Scientific paper

Recent observations of HVC 132+23-211 are presented. The Westerbork telescope, using angular resolutions of 2 and 4 arcmin as well as a bandwidth of 27 km/s, reveals the existence of a filamentary structure somewhat offset from the center of the cloud. This filament, nearly parallel to the galactic plane, contains at least three H I concentrations with dimensions of about 5 arcmin. The total mass of the filament is about 7% of the total mass of the overall cloud. The central space density is estimated, and the profile halfwidth is found to be 5 km/s. It is estimated that the peak brightness temperatures of these H I concentrations are about 25 K.

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