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Large supernova remnants as common features of the disk

Published online by Cambridge University Press:  14 August 2015

Harold Weaver
Harold Weaver*
Affiliation:
Department of Astronomy and Radio Astronomy Laboratory, University of California, Berkeley

Extract

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The distribution of the column density of HI over the sky shows strongly organized features of large angular extent. In particular, there is (1) a conspicuous set of arching concentric filaments extending more than 80° on either side of ℓ = 330°, and (2) a prominent extended region of low column density above ℓ ∼ +40° and centered on ℓ ∼ 130°. The changes is column density in the b-direction in this region of low NH is almost step-like at ℓ ∼ +40°.

Type
V. PHYSICAL PROPERTIES OF THE INTERSTELLAR MEDIUM
Information
Symposium - International Astronomical Union , Volume 84: The Large-Scale Characteristics of the Galaxy , 1979 , pp. 295 - 300
Copyright
Copyright © Reidel 1979