NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: Tue Nov 13 22:24:58 2018 PDT
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Classifications for NGC 7818

8 Classifications found in NED

   NGC 7818


Published NED Homogenized
Classification Reference Code Classification Flag Bandpass Region Notes
Hierarchy
PD
1973UGC...C...0000N
 i  Pair member, disturbed
...
Optical
Environment
see NGC 7816
Kinematics
HI line width
2005ApJS..160..149S
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.255; [w = 179 km/s]
5: HI line width measured at 50% of maximum
HI line width
2005ApJS..160..149S
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.324; [w = 210 km/s]
1: HI line width measured at 20% of maximum
HI line width
1993ApJS...88..383L
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.265; [w = 184 km/s]
5: HI line width measured at 50% of maximum
HI line width
1993ApJS...88..383L
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.312; [w = 205 km/s]
1: HI line width measured at 20% of maximum
Luminosity Class
6.0
1991RC3.9.C...0000d
 i  LC III-IV
...
Optical
Galaxy
...
Galaxy Morphology
Scd:
1991RC3.9.C...0000d
 i  Scd?
...
Optical
Galaxy
Code: [.S..6*.]
Sc
1973UGC...C...0000N
 i  Sc
...
Optical
Galaxy
...


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