NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: Thu Nov 15 01:00:32 2018 PDT
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Classifications for NGC 4457

40 Classifications found in NED

   NGC 4457


Published NED Homogenized
Classification Reference Code Classification Flag Bandpass Region Notes
Hierarchy
RG
1998Afz....41..308M
 i  in a radial-velocity based grouping
...
Optical
Environment
see [M98j] 174
GR
1992A&AS...93..211F
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see VIRGO I CLUSTER
GR
1993A&AS..100...47G
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see GG 292
GM
1998Afz....41..308M
 i  Group member
...
Optical
Environment
see [M98j] 174
GM
1982ApJ...257..423H
 i  Group member
...
Optical
Environment
see [HG82] 41
GM
1985AJ.....90.1681B
 i  Group member
...
Optical
Environment
see VIRGO CLUSTER
GM
1976ApJS...32..409T
 i  Group member
...
Optical
Environment
see TG.057
GM
1983ApJS...52...61G
 i  Group member
...
Optical
Environment
see [GH83] 106
Kinematics
HI line width
1989ApJS...69...65H
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.233; [w = 171 km/s]
1: HI line width measured at 20% of maximum
HI line width
2005ApJS..160..149S
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.223; [w = 167 km/s]
1: HI line width measured at 20% of maximum
HI line width
2005ApJS..160..149S
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.086; [w = 121 km/s]
5: HI line width measured at 50% of maximum
HI line width
1979ApJ...228...64K
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.121; [w = 132 km/s]
0: undefined level for HI line width
HI line width
1979ApJ...228...64K
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.236; [w = 172 km/s]
1: HI line width measured at 20% of maximum
HI line width
1979ApJ...228...64K
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.134; [w = 136 km/s]
4: HI line width measured at 40% of maximum
HI line width
1979ApJ...228...64K
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.121; [w = 132 km/s]
5: HI line width measured at 50% of maximum
HI line width
1979ApJ...227..776K
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.342; [w = 219 km/s]
1: HI line width measured at 20% of maximum
HI line width
1979ApJ...227..776K
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.164; [w = 145 km/s]
4: HI line width measured at 40% of maximum
HI line width
1979ApJ...227..776K
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.093; [w = 123 km/s]
5: HI line width measured at 50% of maximum
HI line width
1989ApJS...69...65H
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.111; [w = 129 km/s]
5: HI line width measured at 50% of maximum
Luminosity Class
RSb(rs) II
1981RSA...C...0000S
 i  LC II
...
Optical
Galaxy
Code: [R S T3 2.0]
Galaxy Morphology
(R)SAB(s)0/a
1991RC3.9.C...0000d
 i  (R)SAB0/a(s)
...
Optical
Galaxy
Code: [RSXS0..]
(R)Sb(rs)
1981RSA...C...0000S
 i  (R)S(rs)b
...
Optical
Galaxy
Code: [R S T3 2.0]
S0/SBa
1973UGC...C...0000N
 i  SB0/a
...
Optical
Galaxy
...
AC 04
1987ApJ...314....3E
 i  Arm Class 04
...
Optical
Galaxy
...
3
1975SoByu..47...43A
 i  no nucleus
...
Optical
Galaxy
...
3
1975SoByu..47...43A
 i  continuous brightening towards center
...
Optical
Galaxy
...
very low-surface-brightness outer ring
1994CAG1..B...0000S
 i  very low-surface-brightness outer ring
...
Optical
Galaxy
...
two zones of spiral structure
1994CAG1..B...0000S
 i  two zones of spiral structure
...
Optical
Galaxy
...
tightly wound spiral structure
1994CAG1..B...0000S
 i  tightly wound spiral structure
...
Optical
Galaxy
...
smooth disk
1994CAG1..B...0000S
 i  smooth disk
...
Optical
Galaxy
...
outer ring largely detached
1994CAG1..B...0000S
 i  outer ring largely detached
...
Optical
Galaxy
...
one prominent spiral arm
1994CAG1..B...0000S
 i  one prominent spiral arm
...
Optical
Galaxy
...
branched complex of arms
1994CAG1..B...0000S
 i  branched complex of arms
...
Optical
Galaxy
...
PEC
1973PASP...85..103S
 i  peculiar nucleus
...
Optical
Nucleus
...
lopsided galaxy
2005A&A...438..507B
 i  lopsided galaxy
...
Near-Infrared
Galaxy
A1 = 0.219; A2 = 0.030
vBN
1964RC1...C...0000d
 i  very bright nucleus
...
Optical
Galaxy
...
spiral arms
1964RC1...C...0000d
 i  spiral arms
...
Optical
Galaxy
...
isolated bright lens
1964RC1...C...0000d
 i  isolated bright lens
...
Optical
Galaxy
...
dark lanes
1964RC1...C...0000d
 i  dark lanes
...
Optical
Galaxy
...
Distance Indicator
Tully-Fisher
1988NBGC.C....0000T
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 31.2 +/- 0.4 mag
D = 17.4 Mpc


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