A complex of high-velocity clouds in Sagittarius

Details A complex of high-velocity clouds in Sagittarius A complex of high-velocity clouds in Sagittarius

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...247...97m&link_type=abstract

Astrophysical Journal, Part 1, vol. 247, July 1, 1981, p. 97-103.

Astronomy and Astrophysics

Astronomy

25

Hydrogen Clouds, Interstellar Gas, Milky Way Galaxy, Radio Sources (Astronomy), Sagittarius Constellation, Velocity Distribution, Centimeter Waves, Gas Density, Gas Dynamics, Line Of Sight, Spectral Line Width

Scientific paper

A search at 21 cm reveals the existence of a complex of discrete, neutral hydrogen, high-velocity clouds in Sagittarius. The complex extends over an area of 20 deg x 15 deg with velocities in the range of -312 to -212 km/s. The results of this search strengthen the evidence for a systematic inward motion of neutral hydrogen toward the disk of the Galaxy. The structural properties of the infalling gas are studied by means of high-resolution observations of the features. Two of the clouds in the Sagittarius complex have condensations with narrow velocity structures.

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