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Title: A Catalogue of H II Regions.
Authors: Sharpless, Stewart
Publication: Astrophysical Journal Supplement, vol. 4, p.257
Date: 12/1959
DOI: 10.1086/190049
ADS: 1959ApJS....4..257S  [Bibtex entry]

Abstract

A catalogue is given of 313 H ii regions north of declination 270. Known early-type stars associated with them are listed. The apparent distribution of H ii regions is discussed, and the galactic pole with respect to ionized hydrogen is determined.

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