A new survey for high velocity HI detections in the Southern Hemisphere

Details A new survey for high velocity HI detections in the Southern Hemisphere A new survey for high velocity HI detections in the Southern Hemisphere

Feb 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000a%26as..142...25m&link_type=abstract

Astronomy and Astrophysics Supplement, v.142, p.25-30

Astronomy and Astrophysics

Astrophysics

35

Surveys, Ism: Clouds, Ism: Kinematics And Dynamics, Galaxy: Halo, Galaxy: Kinematics And Dynamics

Scientific paper

A new high-sensitivity HI survey of the southern sky was made south of Declination -25°, at the Instituto Argentino de Radioastronomía (IAR), on a half-degree grid in galactic coordinates. A total of 50980 positions were observed. One of the goals of this survey was to search for high velocity clouds (HVCs). The HI profiles have been smoothed to a velocity resolution of 8 km s-1. The resulting rms noise falls in the range 0.015 to 0.020 K. We have detected 6848 high velocity (HV) components.

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