Arcminute Resolution VLA Imaging of High Latitude HI

Details Arcminute Resolution VLA Imaging of High Latitude HI Arcminute Resolution VLA Imaging of High Latitude HI

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...185.1212h&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #12.12; Bulletin of the American Astronomical Society, Vol. 26, p.1328

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Scientific paper

We have used the VLA and the Dwingaloo 25-m telescope to mosaic HI at one arcminute spatial resolution and 1.3 km/s velocity resolution in two high latitude 2(Box ) fields. One field is centered on a bright filament in an infrared cirrus cloud, the other is a blank field with essentially no IRAS structure. We detect extended HI features with large (>6 km/s) velocity widths in the cirrus field and filamentary HI emission with velocity widths of 2-6 km/s in both fields. In the cirrus field, the HI shows qualitative agreement with the dust emission. We will display a detailed comparison between the HI and deconvolved IRAS images. In the ``blank field'', the weaker HI filaments appear at intermediate negative velocities and are ~ 30 times brighter than the background.

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