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Volumn 141, Issue 1, 2002, Pages 31-44
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JHK′ imaging photometry of Seyfert 1 active galactic nuclei and quasars. II. Observation of long-term variability
a a,b c a a a d |
Author keywords
Galaxies: active; Galaxies: photometry; Galaxies: Seyfert; Infrared: galaxies; Quasars: general
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Indexed keywords
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EID: 0036305128
PISSN: 00670049
EISSN: None
Source Type: Journal
DOI: 10.1086/339507 Document Type: Article |
Times cited : (14)
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References (14)
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