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Title:
The Dominion Radio Astrophysical Observatory Galactic Plane Survey Pilot Project: The W3/W4/W5/HB 3 Region
Authors:
Normandeau, M.; Taylor, A. R.; Dewdney, P. E.
Publication:
Astrophysical Journal Supplement v.108, p.279 (ApJS Homepage)
Publication Date:
01/1997
Origin:
APJ
ApJ Keywords:
ISM: H II REGIONS, ISM: CLOUDS, RADIO CONTINUUM: ISM, RADIO LINES: ISM, SURVEYS
DOI:
10.1086/312957
Bibliographic Code:
1997ApJS..108..279N

Abstract

The Dominion Radio Astrophysical Observatory, in collaboration with other sites, recently began a Galactic plane survey. The data from the pilot project for this survey are presented here. They cover the W3/W4/W5/HB 3 Galactic complex in the Perseus arm. Ten fields were observed to produce mosaic images of this region at two continuum frequencies, 408 and 1420 MHz, as well as in the 21 cm spectral line of atomic hydrogen at 127 velocities covering +55.5 to -153.9 km s-1. At 1420 MHz (continuum and spectral line), an area of approximately 8 deg x 6 deg (l x b) is imaged with a resolution of 1.'00 x 1.'14 (east-west by north-south) whereas, at 408 MHz, the coverage was 14 deg x 10 deg (l x b) with a resolution of 3.'5 x 4.'0 (east-west by north-south). The spectral-line data cube constitutes the highest resolution atomic hydrogen study of the entire complex to date. A wealth of large-scale filaments, arcs, bubbles, and shells is revealed.
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