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Star formation and the interstellar medium in two peculiar, nonspiral galaxies - NGC 1569 and NGC 3593This paper discusses far-IR and optical observations aimed at investigating the far-IR energy distribution of two peculiar galaxies without spiral arms which are actively forming stars: NGC 1569, a Magellanic irregular galaxy, and NGC 3593, a dusty S0/a galaxy. The data are used to determine the characteristic temperatures of the dust and to infer dust and molecular gas masses which are combined with other data to explore the characteristics of the interstellar media. Visual-wavelength continuum and H-alpha images are presented and used to estimate current and past star formation rates and the efficiency of stellar creation.
Document ID
19890054893
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Hunter, Deidre A.
(Lowell Observatory Flagstaff, AZ, United States)
Thronson, Harley A., Jr.
(Wyoming Infrared Observatory Laramie, United States)
Casey, Sean
(Lowell Observatory Flagstaff, AZ, United States)
Harper, D. A.
(Yerkes Observatory Williams Bay, WI, United States)
Date Acquired
August 14, 2013
Publication Date
June 15, 1989
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 341
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
89A42264
Funding Number(s)
CONTRACT_GRANT: NAG2-134
Distribution Limits
Public
Copyright
Other

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