NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: Fri Dec 14 16:56:46 2018 PDT
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Classifications for NGC 4454

23 Classifications found in NED

   NGC 4454


Published NED Homogenized
Classification Reference Code Classification Flag Bandpass Region Notes
Kinematics
HI line width
1982A&A...110..121H
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.521; [w = 331 km/s]
2: HI line width measured at 25% of maximum
HI line width
1987A&AS...68..427R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.377; [w = 238 km/s]
1: HI line width measured at 20% of maximum
HI line width
1982A&A...110..121H
 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
Galaxy Morphology
(R)SB(r)0/a
1991RC3.9.C...0000d
 i  (R)SB0/a(r)
...
Optical
Galaxy
Code: [RSBR0..]
Sa
1981RSA...C...0000S
 i  Sa
...
Optical
Galaxy
Code: [S 1]
SB0/SBa
1973UGC...C...0000N
 i  SB0/a
...
Optical
Galaxy
...
2
1995MNRAS.274.1107N
 i  Sab
...
Optical
Galaxy
classification by van den Bergh
1
1995MNRAS.274.1107N
 i  Sa
...
Optical
Galaxy
classification by Dressler
1
1995MNRAS.274.1107N
 i  Sa
...
Optical
Galaxy
classification by Corwin
0
1995MNRAS.274.1107N
 i  S0/a
...
Optical
Galaxy
classification by Buta
0
1995MNRAS.274.1107N
 i  S0/a
...
Optical
Galaxy
classification by de Vaucouleurs
-2
1995MNRAS.274.1107N
 i  S00
...
Optical
Galaxy
classification by Huchra
tightly wound spiral structure
1994CAG1..B...0000S
 i  tightly wound spiral structure
...
Optical
Galaxy
...
smooth arms?
1994CAG1..B...0000S
 i  smooth arms?
...
Optical
Galaxy
...
high-surface-brightness inner ring
1994CAG1..B...0000S
 i  high-surface-brightness inner ring
...
Optical
Galaxy
...
almost complete (broken) ring
1994CAG1..B...0000S
 i  almost complete (broken) ring
...
Optical
Galaxy
...
No obvious XUV disk
2007ApJS..173..538T
 i  No obvious XUV disk
...
Ultraviolet
Galaxy
...
weak bar
1964RC1...C...0000d
 i  weak bar
...
Optical
Galaxy
...
vsN
1964RC1...C...0000d
 i  very small nucleus
...
Optical
Galaxy
...
broad bar
1964RC1...C...0000d
 i  broad bar
...
Optical
Galaxy
...
BN
1964RC1...C...0000d
 i  bright nucleus
...
Optical
Galaxy
...
Distance Indicator
Tully est
1988NBGC.C....0000T
 i  Tully est
...
Optical
Galaxy
(m-M) = 32.77 +/- 0.8 mag
D = 35.7 Mpc
Ring Diameter
1981ApJS...45..541P
 i  Ring Diameter
...
Optical
Galaxy
(m-M) = 32.2 +/- 0.84 mag
D = 27 Mpc


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