NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: Sun Jan 16 21:32:20 2022 PDT
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Classifications for NGC 2997

45 Classifications found in NED

   NGC 2997


Published NED Homogenized
Classification Reference Code Classification Flag Bandpass Region Notes
Hierarchy
GT
2006MNRAS.369..360S
 i  X-ray-faint group member
...
Optical
Environment
see NGC 2997 GROUP
GR
1992A&AS...93..211F
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see NGC 2997 GROUP
GR
1993A&AS..100...47G
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see GG 180
GM
1975SSS.....9..557d
 i  Group member
...
Optical
Environment
see NGC 2997 GROUP
Kinematics
HI line width
1981ApJS...47..139F
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.453; [w = 283 km/s]
1: HI line width measured at 20% of maximum
HI line width
1977AuJPh..30..187W
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.433; [w = 271 km/s]
2: HI line width measured at 25% of maximum
HI line width
1977AuJPh..30..187W
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.412; [w = 258 km/s]
5: HI line width measured at 50% of maximum
HI line width
1977AuJPh..30..187W
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.427; [w = 267 km/s]
4: HI line width measured at 40% of maximum
HI line width
1977AuJPh..30..187W
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.446; [w = 279 km/s]
1: HI line width measured at 20% of maximum
HI line width
1970A&A.....6..453B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.360; [w = 229 km/s]
5: HI line width measured at 50% of maximum
HI line width
1970A&A.....6..453B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.407; [w = 255 km/s]
4: HI line width measured at 40% of maximum
HI line width
1970A&A.....6..453B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.491; [w = 309 km/s]
1: HI line width measured at 20% of maximum
HI line width
1982A&AS...50..451R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.431; [w = 269 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) = 2.405; [w = 254 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) = 2.438; [w = 274 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) = 2.403; [w = 252 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) = 2.415; [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) = 2.413; [w = 258 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) = 2.455; [w = 285 km/s]
1: HI line width measured at 20% of maximum
Luminosity Class
5.0
1991RC3.9.C...0000d
 i  LC III
...
Optical
Galaxy
...
Sc(s) I.3
1981RSA...C...0000S
 i  LC I.3
...
Optical
Galaxy
Code: [S S5 1.3]
Galaxy Morphology
SAB(rs)c
1991RC3.9.C...0000d
 i  SAB(rs)c
...
Optical
Galaxy
Code: [.SXT5..]
Sc(s)
1981RSA...C...0000S
 i  S(s)c
...
Optical
Galaxy
Code: [S S5 1.3]
Sc
1982ESOU..C...0000L
 i  Sc
...
Optical
Galaxy
In foreground of cl
AC 09
1987ApJ...314....3E
 i  Arm Class 09
...
Optical
Galaxy
...
silhouetted dust lanes
1994CAG1..B...0000S
 i  silhouetted dust lanes
...
Optical
Galaxy
...
nuclear "hot spots"
1994CAG1..B...0000S
 i  nuclear "hot spots"
...
Optical
Galaxy
...
grand-design spiral
1994CAG1..B...0000S
 i  grand-design spiral
...
Optical
Galaxy
...
dust lanes traced toward center
1994CAG1..B...0000S
 i  dust lanes traced toward center
...
Optical
Galaxy
...
arms branch into multiple fragments
1994CAG1..B...0000S
 i  arms branch into multiple fragments
...
Optical
Galaxy
...
HS
1973PASP...85..103S
 i  Hot Spot Nucleus
...
Optical
Nucleus
...
vsN
1964RC1...C...0000d
 i  very small nucleus
...
Optical
Galaxy
...
vBN
1964RC1...C...0000d
 i  very bright nucleus
...
Optical
Galaxy
...
smooth inner part
1964RC1...C...0000d
 i  smooth inner part
...
Optical
Galaxy
...
partially resolved arms
1964RC1...C...0000d
 i  partially resolved arms
...
Optical
Galaxy
...
filamentary arms
1964RC1...C...0000d
 i  filamentary arms
...
Optical
Galaxy
...
complex spiral pattern of dark lanes
1964RC1...C...0000d
 i  complex spiral pattern of dark lanes
...
Optical
Galaxy
...
complex nucleus
1964RC1...C...0000d
 i  complex nucleus
...
Optical
Galaxy
...
2 main arms
1964RC1...C...0000d
 i  2 main arms
...
Optical
Galaxy
...
Activity Type
Flat-Spectrum Radio Source,
2007ApJS..171...61H
 i  Flat-Spectrum Radio Source
...
Radio
Galaxy
...
Distance Indicator
Tully-Fisher
1988NBGC.C....0000T
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 30.71 +/- 0.4 mag
D = 13.8 Mpc
Tully-Fisher
2011A&A...532A.104N
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 30.59 +/- 0.39 mag
D = 13.1 Mpc
Tully-Fisher
2009AJ....138..323T
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 29.25 +/- 0.36 mag
D = 7.08 Mpc
Tully-Fisher
2009ApJ...699...76H
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 30.43 +/- 0.16 mag
D = 12.2 Mpc
Tully-Fisher
2002ApJ...565..681R
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 30.01 mag
D = 10 Mpc


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