NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: Mon Jan 17 08:38:23 2022 PDT
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Classifications for NGC 3956

45 Classifications found in NED

   NGC 3956


Published NED Homogenized
Classification Reference Code Classification Flag Bandpass Region Notes
Hierarchy
GR
1992A&AS...93..211F
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see NGC 4038 GROUP
GR
1992ApJS...81..413M
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see 1157-17
GR
1993A&AS..100...47G
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see GG 263
GM
1982ApJ...257..423H
 i  Group member
...
Optical
Environment
see [HG82] 33
Kinematics
HI line width
1996ApJS..107...97M
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.444; [w = 277 km/s]
1: HI line width measured at 20% of maximum
HI line width
2004AJ....128...16K
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.418; [w = 261 km/s]
5: HI line width measured at 50% of maximum
HI line width
2004AJ....128...16K
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.464; [w = 291 km/s]
1: HI line width measured at 20% of maximum
HI line width
2005MNRAS.361...34D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.422; [w = 264 km/s]
5: HI line width measured at 50% of maximum
HI line width
1982A&AS...50..451R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.452; [w = 283 km/s]
1: HI line width measured at 20% of maximum
HI line width
1982A&A...113...61B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.525; [w = 334 km/s]
1: HI line width measured at 20% of maximum
HI line width
1982A&A...113...61B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.450; [w = 281 km/s]
4: HI line width measured at 40% of maximum
HI line width
1982A&A...113...61B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.407; [w = 255 km/s]
5: HI line width measured at 50% of maximum
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) = 2.415; [w = 260 km/s]
5: HI line width measured at 50% of maximum
HI line width
1988MNRAS.231..833S
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.407; [w = 255 km/s]
5: HI line width measured at 50% of maximum
HI line width
1988MNRAS.231..833S
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.452; [w = 283 km/s]
1: HI line width measured at 20% of maximum
HI line width
1993AJ....106.1394B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.447; [w = 279 km/s]
1: HI line width measured at 20% of maximum
HI line width
1996ApJS..107...97M
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.422; [w = 264 km/s]
5: HI line width measured at 50% of maximum
Luminosity Class
5.0
1991RC3.9.C...0000d
 i  LC III
...
Optical
Galaxy
...
Sc(s) II
1981RSA...C...0000S
 i  LC II
...
Optical
Galaxy
Code: [S S5 2.0]
Galaxy Morphology
SA(s)c:
1991RC3.9.C...0000d
 i  SA(s)c?
...
Optical
Galaxy
Code: [.SAS5*.]
Sc(s)
1981RSA...C...0000S
 i  S(s)c
...
Optical
Galaxy
Code: [S S5 2.0]
Sc
1982ESOU..C...0000L
 i  Sc
...
Optical
Galaxy
In cluster
HS?
1973PASP...85..103S
 i  Hot Spot Nucleus?
...
Optical
Nucleus
...
very bright bar or nucleus
1964RC1...C...0000d
 i  very bright bar or nucleus
...
Optical
Galaxy
...
sN
1964RC1...C...0000d
 i  small nucleus
...
Optical
Galaxy
...
knotty arms
1964RC1...C...0000d
 i  knotty arms
...
Optical
Galaxy
...
filamentary arms
1964RC1...C...0000d
 i  filamentary arms
...
Optical
Galaxy
...
Distance Indicator
Tully-Fisher
1997ApJS..109..333W
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 32.53 +/- 0.47 mag
D = 32.1 Mpc
Tully-Fisher
1997ApJS..109..333W
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 32.7 +/- 0.47 mag
D = 34.7 Mpc
Tully-Fisher
2007A&A...465...71T
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 32.74 +/- 0.47 mag
D = 35.3 Mpc
Tully-Fisher
2007A&A...465...71T
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 32.53 +/- 0.46 mag
D = 32 Mpc
Tully-Fisher
2007A&A...465...71T
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 32.67 +/- 0.45 mag
D = 34.2 Mpc
Tully-Fisher
2009AJ....138..323T
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 31.68 +/- 0.38 mag
D = 21.7 Mpc
Tully-Fisher
2009ApJS..182..474S
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 31.74 +/- 0.37 mag
D = 22.2 Mpc
Tully-Fisher
1997ApJS..109..333W
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 31.85 +/- 0.43 mag
D = 23.5 Mpc
Tully-Fisher
1997ApJS..109..333W
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 31.96 +/- 0.43 mag
D = 24.7 Mpc
Tully-Fisher
1992ApJS...80..479T
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 31.96 +/- 0.4 mag
D = 24.7 Mpc
Tully-Fisher
2009ApJS..182..474S
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 31.98 +/- 0.33 mag
D = 24.8 Mpc
Tully-Fisher
1988NBGC.C....0000T
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 32 +/- 0.4 mag
D = 25.1 Mpc
Tully-Fisher
1997ApJS..109..333W
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 32.01 +/- 0.43 mag
D = 25.2 Mpc
Tully-Fisher
2007A&A...465...71T
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 32.28 +/- 0.4 mag
D = 28.6 Mpc
Tully-Fisher
1997ApJS..109..333W
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 32.48 +/- 0.47 mag
D = 31.3 Mpc
IRAS
1997ApJS..109..333W
 i  IRAS
...
Optical
Galaxy
(m-M) = 31.7 +/- 0.8 mag
D = 21.9 Mpc
IRAS
1997ApJS..109..333W
 i  IRAS
...
Optical
Galaxy
(m-M) = 31.71 +/- 0.8 mag
D = 22 Mpc


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