NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: Thu May 23 23:00:47 2019 PDT
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Classifications for NGC 2554

9 Classifications found in NED

   NGC 2554


Published NED Homogenized
Classification Reference Code Classification Flag Bandpass Region Notes
Hierarchy
GR
1993A&AS..100...47G
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see GG 157
GR
1992A&AS...93..211F
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see CANCER II CLUSTER
GR
1983ApJ...268...47B
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see CANCER CLUSTER E
GM
1976RC2...C...0000d
 i  Group member
...
Optical
Environment
see CANCER CLUSTER
Kinematics
HI line width
1991AJ....102..572E
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.726; [w = 532 km/s]
1: HI line width measured at 20% of maximum
HI line width
1983AJ.....88..489S
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.652; [w = 448 km/s]
6: HI line width measured at 20% of the mean
HI line width
1991AJ....102..572E
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.712; [w = 515 km/s]
8: HI line width measured at 50% of the mean
Galaxy Morphology
S0/a
1991RC3.9.C...0000d
 i  S0/a
...
Optical
Galaxy
Code: [.S..0..]
S0/Sa
1973UGC...C...0000N
 i  S0/a
...
Optical
Galaxy
...


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