NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: Fri Jan 21 13:09:16 2022 PDT
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Classifications for [HB89] 1642+690

5 Classifications found in NED



Published NED Homogenized
Classification Reference Code Classification Flag Bandpass Region Notes
Radio Morphology
radio jet
1992A&AS...95..249L
 i  radio jet
...
Radio
Extended
...
radio jet
1984ARA&A..22..319B
 i  radio jet
...
Radio
Extended
...
radio jet
2002A&A...381..757L
 i  radio jet
...
Radio
Extended
...
Activity Type
Flat-Spectrum Radio Source,
2007ApJS..171...61H
 i  Flat-Spectrum Radio Source
...
Radio
Galaxy
...
HP
2006A&A...455..773V
 i  HP AGN
...
Optical
Nucleus
High optical polarization (>3%)
Relevant reference: 1996ApJS..107..541L


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