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The dust and gas surrounding LkH-alpha 101The linear polarization of the reflection nebula NGC 1579 and the CO (1 to 0) emission from the associated molecular gas have been mapped for several minutes of arc around the exciting star LkH-alpha 101. These maps show conclusively that LkH-alpha 101 is the sole significant source of illumination in the region. The dust in the reflection nebula appears to be uniform over the illuminated region and is uniformly illuminated by LkH-alpha 101. Despite the patchy obscuration, the dark cloud which obscures LkH-alpha 101 does not surround the star. LkH-alpha 101 may have formed out of a placental cloud whose remnants now include four molecular cloud fragments, two in front of and two behind the reflection nebula, as well as an H I cloud previously detected in the region.
Document ID
19860050117
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1086/164075
Authors
Redman, R. O. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Kuiper, T. B. H. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Lorre, J. J. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Gunn, J. E. (California Institute of Technology, Jet Propulsion Laboratory; Hale Observatories, Pasadena CA, United States)
Date Acquired
August 12, 2013
Publication Date
April 1, 1986
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 303
ISSN: 0004-637X
Subject Category
Astrophysics
Report/Patent Number
ISSN: 0004-637X
Accession Number
86A34855
Distribution Limits
Public
Copyright
Other

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