NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: Mon Jan 17 09:34:03 2022 PDT
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Classifications for NGC 1023

46 Classifications found in NED

   NGC 1023


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 1023 GROUP
GR
1993A&AS..100...47G
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see GG 070
GM
1982ApJ...257..423H
 i  Group member
...
Optical
Environment
see [HG82] 67
GM
1984TarOT..73....1V
 i  Group member
...
Optical
Environment
see VNK.010
GM
1975SSS.....9..557d
 i  Group member
...
Optical
Environment
see NGC 1023 GROUP
GM
1975ApJ...196..313S
 i  Group member
...
Optical
Environment
see NGC 1023 GROUP
G1
1956AJ.....61...97H
 i  Brightest group member
...
Optical
Environment
see NGC 1023 GROUP
G1
1976RC2...C...0000d
 i  Brightest group member
...
Optical
Environment
see NGC 1023 GROUP
Kinematics
HI line width
1983ApJS...53..269D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.672; [w = 469 km/s]
7: HI line width measured at 25% of the mean
HI line width
2003A&A...406..829B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.568; [w = 369 km/s]
1: HI line width measured at 20% of maximum
HI line width
1979MNRAS.187..537A
 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
1980MNRAS.191..269H
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.574; [w = 374 km/s]
5: HI line width measured at 50% of maximum
HI line width
1974AJ.....79..767P
 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
1974AJ.....79..767P
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.408; [w = 255 km/s]
4: HI line width measured at 40% of maximum
HI line width
1974AJ.....79..767P
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.367; [w = 232 km/s]
5: HI line width measured at 50% of maximum
HI line width
1974AJ.....79..767P
 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
1978A&A....64...23B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.613; [w = 410 km/s]
1: HI line width measured at 20% of maximum
HI line width
1978A&A....64...23B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.413; [w = 258 km/s]
4: HI line width measured at 40% of maximum
HI line width
1978A&A....64...23B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.367; [w = 232 km/s]
5: HI line width measured at 50% of maximum
HI line width
1979A&A....78..190B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.580; [w = 380 km/s]
0: undefined level for HI line width
Galaxy Morphology
SB0-(rs)
1991RC3.9.C...0000d
 i  SB0-(rs)
...
Optical
Galaxy
Code: [.LBT-..]
SB01(5)
1981RSA...C...0000S
 i  SB01(5)
...
Optical
Galaxy
Code: [LB15]
SB0
1973UGC...C...0000N
 i  SB0
...
Optical
Galaxy
...
elliptical with nearby fragments
1966ApJS...14....1A
 i  elliptical with nearby fragments
...
Optical
Galaxy
...
3
1975SoByu..47...43A
 i  no nucleus
...
Optical
Galaxy
...
3
1975SoByu..47...43A
 i  continuous brightening towards center
...
Optical
Galaxy
...
twisted isophotes
1994CAG1..B...0000S
 i  twisted isophotes
...
Optical
Galaxy
...
pronounced SO attributes
1994CAG1..B...0000S
 i  pronounced SO attributes
...
Optical
Galaxy
...
+ 1 companion
1994CAG1..B...0000S
 i  + 1 companion
...
Optical
Galaxy
...
very faint asymmetric extension
1964RC1...C...0000d
 i  very faint asymmetric extension
...
Optical
Galaxy
...
lens
1964RC1...C...0000d
 i  lens
...
Optical
Galaxy
...
extremely bright nucleus
1964RC1...C...0000d
 i  extremely bright nucleus
...
Optical
Galaxy
...
diffuse bar
1964RC1...C...0000d
 i  diffuse bar
...
Optical
Galaxy
...
Distance Indicator
Tully-Fisher
1988NBGC.C....0000T
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 30.11 +/- 0.4 mag
D = 10.5 Mpc
SBF
1997AJ....114..626A
 i  SBF
...
Optical
Galaxy
(m-M) = 30.08 +/- 0.09 mag
D = 10.4 Mpc
SBF
1997ApJ...475..399T
 i  SBF
...
Optical
Galaxy
(m-M) = 29.91 +/- 0.09 mag
D = 9.6 Mpc
SBF
2001ApJ...546..681T
 i  SBF
...
Optical
Galaxy
(m-M) = 30.29 +/- 0.16 mag
D = 11.4 Mpc
SBF
2001MNRAS.327.1004B
 i  SBF
...
Optical
Galaxy
(m-M) = 30.29 +/- 0.16 mag
D = 11.4 Mpc
SBF
2001MNRAS.327.1004B
 i  SBF
...
Optical
Galaxy
(m-M) = 30.32 +/- 0.16 mag
D = 11.6 Mpc
PNLF
1991ApJ...383..487C
 i  PNLF
...
Optical
Galaxy
(m-M) = 29.97 +/- 0.13 mag
D = 9.86 Mpc
PNLF
2002ApJ...577...31C
 i  PNLF
...
Optical
Galaxy
(m-M) = 29.96 +/- 0.1 mag
D = 9.82 Mpc
GCLF
2001AJ....121.2974L
 i  GCLF
...
Optical
Galaxy
(m-M) = 31.16 +/- 0.31 mag
D = 17.1 Mpc
GCLF
2001AJ....121.2974L
 i  GCLF
...
Optical
Galaxy
(m-M) = 29.99 +/- 0.47 mag
D = 9.95 Mpc
GCLF
2001AJ....121.2974L
 i  GCLF
...
Optical
Galaxy
(m-M) = 31.47 +/- 0.39 mag
D = 19.7 Mpc
FP
2001MNRAS.327.1004B
 i  FP
...
Optical
Galaxy
(m-M) = 30.08 +/- 0.41 mag
D = 10.4 Mpc
FP
2001MNRAS.327.1004B
 i  FP
...
Optical
Galaxy
(m-M) = 29.86 +/- 0.41 mag
D = 9.36 Mpc


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