NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: Sun Aug 18 11:25:55 2019 PDT
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Classifications for 3C 273

7 Classifications found in NED

   3C 273


Published NED Homogenized
Classification Reference Code Classification Flag Bandpass Region Notes
Luminosity Class
ULIG
1998ApJS..119...41K
 i  ULIRG
...
Infrared
Galaxy
log(LIR/L) = 12.73;
H0 = 75 kms-1Mpc-1, q0 = 0.0
ULIRG
2002ApJS..143..277K
 i  ULIRG
...
Optical
Nucleus
...
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
...
S1.0
2006A&A...455..773V
 i  Sy 1.0
...
Optical
Nucleus
Hβ/[OIII]5007 > 5.0
Relevant reference: 1999ApJ...513...76W


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