A new general survey of high-velocity neutral hydrogen in the Southern Hemisphere

Details A new general survey of high-velocity neutral hydrogen in the Southern Hemisphere A new general survey of high-velocity neutral hydrogen in the Southern Hemisphere

May 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apjs...58..143b&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 58, May 1985, p. 143-165.

Astronomy and Astrophysics

Astronomy

83

Hydrogen Clouds, Neutral Gases, Radial Velocity, Radio Sources (Astronomy), Southern Sky, Astronomical Maps, Centimeter Waves, H Lines, High Speed, Sky Surveys (Astronomy)

Scientific paper

A southern sky survey in the H I 21 cm line, at declinations between -90° and -15°, was done at the Instituto Argentino de Radioastronomía. The observations were made on a 2°/cos δ×2° grid, covering a velocity range between -650 and +650 km s-1, with an angular resolution of 34arcmin (HPBW) and a velocity resolution of 16 km s-1. The rms noise on the spectra is 0.025K. The results are presented in a table and maps. A whole-sky map containing all known data on high-velocity H I is also included.

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