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Structure in the nucleus of NGC 1068 at 10 micronsNew 8-13 micron array camera images of the central kiloparsec of Seyfert 2 galaxy NGC 1068 resolve structure that is similar to that observed at visible and radio wavelengths. The images reveal an infrared source which is extended and asymmetric, with its long axis oriented at P.A. 33 deg. Maps of the spatial distribution of 8-13 micron color temperature and warm dust opacity are derived from the multiwavelength infrared images. The results suggest that there exist two pointlike luminosity sources in the central region of NGC 1068, with the brighter source at the nucleus and the fainter one some 100 pc to the northeast. This geometry strengthens the possibility that the 10 micron emission observed from grains in the nucleus is powered by a nonthermal source. In the context of earlier visible and radio studies, these results considerably strengthen the case for jet-induced star formation in NGC 1068.
Document ID
19870043683
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Tresch-Fienberg, R.
(Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Fazio, G. G.
(Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Gezari, D. Y.
(Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Lamb, G. M.
(Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Shu, P. K.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Hoffmann, W. F.
(Steward Observatory Tucson, AZ, United States)
Mccreight, C. R.
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 13, 2013
Publication Date
January 15, 1987
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 312
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
87A30957
Distribution Limits
Public
Copyright
Other

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