NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: Tue May 21 19:18:12 2019 PDT
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Classifications for NGC 4631

58 Classifications found in NED

   NGC 4631


Published NED Homogenized
Classification Reference Code Classification Flag Bandpass Region Notes
Hierarchy
PP
1972AISAO...7....3K
 i  Pair member (points to parent)
...
Optical
Environment
see KPG 350
RG
1998Afz....41..308M
 i  in a radial-velocity based grouping
...
Optical
Environment
see [M98j] 177
P
1976RC2...C...0000d
 i  in a pair
...
Optical
Environment
see NGC 4627
P
1976ApJ...208...20T
 i  in a pair
...
Optical
Environment
see NGC 4627
GR
1993A&AS..100...47G
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see GG 291
GR
1992A&AS...93..211F
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see NGC 4631 GROUP
GR
1988NBGC.C....0000T
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see NBGC 14-06
GM
1975ApJ...196..313S
 i  Group member
...
Optical
Environment
see CVn II Cloud
GM
1998Afz....41..308M
 i  Group member
...
Optical
Environment
see [M98j] 177
GM
1982ApJ...257..423H
 i  Group member
...
Optical
Environment
see [HG82] 60
GM
1976ApJS...32..409T
 i  Group member
...
Optical
Environment
see TG.061
GM
1983ApJS...52...61G
 i  Group member
...
Optical
Environment
see [GH83] 094
GM
1984TarOT..73....1V
 i  Group member
...
Optical
Environment
see VNK.075
GM
1975SSS.....9..557d
 i  Group member
...
Optical
Environment
see G10 = CVn II GROUP
Kinematics
HI line width
1999A&AS..135..255K
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.519; [w = 330 km/s]
1: HI line width measured at 20% of maximum
HI line width
1964AJ.....69..490E
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.453; [w = 283 km/s]
4: HI line width measured at 40% of maximum
HI line width
1964AJ.....69..490E
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.377; [w = 238 km/s]
5: HI line width measured at 50% of maximum
HI line width
1964AJ.....69..490E
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.362; [w = 230 km/s]
5: HI line width measured at 50% of maximum
HI line width
1967ApJ...150....9R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.538; [w = 345 km/s]
1: HI line width measured at 20% of maximum
HI line width
1967ApJ...150....9R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.493; [w = 311 km/s]
4: HI line width measured at 40% of maximum
HI line width
1967ApJ...150....9R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.467; [w = 293 km/s]
5: HI line width measured at 50% of maximum
HI line width
1968ApJ...151..117R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.520; [w = 331 km/s]
1: HI line width measured at 20% of maximum
HI line width
1968ApJ...151..117R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.471; [w = 295 km/s]
4: HI line width measured at 40% of maximum
HI line width
1968ApJ...151..117R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.450; [w = 281 km/s]
5: HI line width measured at 50% of maximum
HI line width
1977A&A....56..465K
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.486; [w = 306 km/s]
1: HI line width measured at 20% of maximum
HI line width
1977A&A....56..465K
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.442; [w = 276 km/s]
4: HI line width measured at 40% of maximum
HI line width
1977A&A....56..465K
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.417; [w = 261 km/s]
5: HI line width measured at 50% of maximum
HI line width
1978ApJ...223..391D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.497; [w = 314 km/s]
1: HI line width measured at 20% of maximum
HI line width
1978ApJ...223..391D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.468; [w = 293 km/s]
4: HI line width measured at 40% of maximum
HI line width
1978ApJ...223..391D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.456; [w = 285 km/s]
5: HI line width measured at 50% of maximum
HI line width
1978ApJ...223..391D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.505; [w = 319 km/s]
2: HI line width measured at 25% of maximum
HI line width
1979A&A....75...19B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.465; [w = 291 km/s]
0: undefined level for HI line width
HI line width
1981ApJS...47..139F
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.512; [w = 325 km/s]
1: HI line width measured at 20% of maximum
HI line width
1981ApJS...47..139F
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.479; [w = 301 km/s]
5: HI line width measured at 50% of maximum
HI line width
1999A&AS..135..255K
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.452; [w = 283 km/s]
5: HI line width measured at 50% of maximum
HI line width
1980A&AS...41..189R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.505; [w = 319 km/s]
2: HI line width measured at 25% of maximum
HI line width
1978A&A....65...37W
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.580; [w = 380 km/s]
1: HI line width measured at 20% of maximum
HI line width
1964AJ.....69..490E
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.519; [w = 330 km/s]
1: HI line width measured at 20% of maximum
Luminosity Class
7.0
1991RC3.9.C...0000d
 i  LC IV
...
Optical
Galaxy
...
Galaxy Morphology
SB(s)d edge-on
1991RC3.9.C...0000d
 i  SB(s)d edge-on
...
Optical
Galaxy
Code: [.SBS7./]
Sc on edge
1981RSA...C...0000S
 i  Sc edge-on
...
Optical
Galaxy
Code: [S 5 O]
Sc
1973UGC...C...0000N
 i  Sc
...
Optical
Galaxy
...
0 - no warp detected (POSS blue)
1990MNRAS.246..458S
 i  no warp detected
...
Optical
Galaxy
POSS-O
0 - no warp detected (POSS red)
1990MNRAS.246..458S
 i  no warp detected
...
Optical
Galaxy
POSS-E
1
1975SoByu..47...43A
 i  no nucleus
...
Optical
Galaxy
...
edge-on
1994CAG1..B...0000S
 i  edge-on
...
Optical
Galaxy
...
+ 1 companion
1994CAG1..B...0000S
 i  + 1 companion
...
Optical
Galaxy
...
lopsided galaxy
1980MNRAS.193..313B
 i  lopsided galaxy
...
Optical
Galaxy
...
partially resolved arms
1964RC1...C...0000d
 i  partially resolved arms
...
Optical
Galaxy
...
outer arms
1964RC1...C...0000d
 i  outer arms
...
Optical
Galaxy
...
dark markings
1964RC1...C...0000d
 i  dark markings
...
Optical
Galaxy
...
complex markings
1964RC1...C...0000d
 i  complex markings
...
Optical
Galaxy
...
asymmetric arms
1964RC1...C...0000d
 i  asymmetric arms
...
Optical
Galaxy
...
Distance Indicator
Tully-Fisher
2009AJ....138..323T
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 28.77 +/- 0.36 mag
D = 5.68 Mpc
Tully-Fisher
1988NBGC.C....0000T
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 29.19 +/- 0.4 mag
D = 6.9 Mpc
TRGB
2011ApJS..195...18R
 i  TRGB
...
Optical
Galaxy
(m-M) = 29.34 +/- 0.06 mag
D = 7.4 Mpc
TRGB
2005AJ....129.1331S
 i  TRGB
...
Optical
Galaxy
(m-M) = 29.41 +/- 0.04 mag
D = 7.62 Mpc
CO ring diameter
1991PASJ...43..671S
 i  CO ring diameter
...
Optical
Galaxy
(m-M) = 28.01 mag
D = 4 Mpc


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