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NGC 6212 - An X-ray-selected active elliptical galaxyOptical and X-ray data on the elliptical galaxy NGC 6212 are reported. The X-ray flux varies by a factor of four on a time scale of months. The optical spectrum shows broad Balmer emission lines and narrow forbidden lines which are typical of low-luminosity X-ray selected Seyfert galaxies. The continuum is predominantly stellar, with no evidence for a nonthermal contribution. Narrow emission lines extend at least 11 kpc from the nucleus and are used to derive a rotation curve. The X-ray variability and relatively weak radio emission of NGC 6212 are not unusual for Seyfert galaxies.
Document ID
19860052941
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Halpern, J. P.
(Columbia University New York, United States)
Filippenko, A. V.
(California, University Berkeley, United States)
Date Acquired
August 12, 2013
Publication Date
May 1, 1986
Publication Information
Publication: Astronomical Journal
Volume: 91
ISSN: 0004-6256
Subject Category
Astrophysics
Report/Patent Number
ISSN: 0004-6256
Accession Number
86A37679
Funding Number(s)
CONTRACT_GRANT: NAG8-497
Distribution Limits
Public
Copyright
Other

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