Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26as...52...63b&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 52, April 1983, p. 63-68, 70-103.
Astronomy and Astrophysics
Astronomy
56
Galactic Nuclei, Galactic Structure, Hydrogen Clouds, Interstellar Matter, Milky Way Galaxy, Radio Sources (Astronomy), Centimeter Waves, Mass Distribution, Velocity Distribution
Scientific paper
Presented here are 21-cm observations of neutral hydrogen emission from the core of our galaxy made over a period of several years with the 140-foot telescope of the National Radio Astronomy Observatory. The material covers the region 349° ≤ l ≤ 13°, - 10° ≤ b ≤ 10°, at intervals of one-half degree in both l and b. Each reduced spectrum covers the velocity range |υ| < 350 km. s-1 at a kinematic resolution of 5.5 km. s-1 to an rms sensitivity limit ≥ 0.02 K. The data are displayed in three sets of representative maps drawn in latitude-longitude, latitude-velocity, and longitude-velocity coordinates. Anomalous features representing material in the galactic core are labelled in the appropriate figures. We give here some summarizing taxonomic remarks concerning these anomalies our own interpretation of this survey is the subject of the other papers in this series.
Burton William Butler
Liszt Harvey Steven
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