NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: Thu Nov 15 19:53:22 2018 PDT
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Classifications for NGC 6946

57 Classifications found in NED

   NGC 6946


Published NED Homogenized
Classification Reference Code Classification Flag Bandpass Region Notes
Hierarchy
I
1975ApJ...196..313S
 i  Isolated galaxy
...
Optical
Environment
see NGC 6946
FL
1979AN....300..181K
 i  Field galaxy
...
Optical
Environment
see Field
Kinematics
HI line width
1988ApJS...67....1T
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.394; [w = 247 km/s]
6: HI line width measured at 20% of the mean
HI line width
1975MNRAS.170..503D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.342; [w = 219 km/s]
5: HI line width measured at 50% of maximum
HI line width
1975MNRAS.170..503D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.356; [w = 226 km/s]
4: HI line width measured at 40% of maximum
HI line width
1975MNRAS.170..503D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.384; [w = 242 km/s]
1: HI line width measured at 20% of maximum
HI line width
1973A&A....22..111R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.340; [w = 218 km/s]
5: HI line width measured at 50% of maximum
HI line width
1973A&A....22..111R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.356; [w = 226 km/s]
4: HI line width measured at 40% of maximum
HI line width
1973A&A....22..111R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.389; [w = 244 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) = 2.369; [w = 233 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) = 2.400; [w = 251 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) = 2.462; [w = 289 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) = 2.146; [w = 139 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) = 2.130; [w = 134 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) = 2.155; [w = 142 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) = 2.204; [w = 159 km/s]
1: HI line width measured at 20% of maximum
HI line width
1980A&AS...41..189R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.380; [w = 239 km/s]
2: HI line width measured at 25% of maximum
HI line width
2000A&A...362..544K
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.228; [w = 169 km/s]
5: HI line width measured at 50% of maximum
HI line width
1975MNRAS.170..503D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.350; [w = 223 km/s]
5: HI line width measured at 50% of maximum
Luminosity Class
6.0
1991RC3.9.C...0000d
 i  LC III-IV
...
Optical
Galaxy
...
Sc(s) II
1981RSA...C...0000S
 i  LC II
...
Optical
Galaxy
Code: [S S5 2.0]
Galaxy Morphology
SAB(rs)cd
1991RC3.9.C...0000d
 i  SAB(rs)cd
...
Optical
Galaxy
Code: [.SXT6..]
Sc(s)
1981RSA...C...0000S
 i  S(s)c
...
Optical
Galaxy
Code: [S S5 2.0]
Sc
1973UGC...C...0000N
 i  Sc
...
Optical
Galaxy
...
spiral with one heavy arm
1966ApJS...14....1A
 i  spiral with one heavy arm
...
Optical
Galaxy
...
AC 09
1987ApJ...314....3E
 i  Arm Class 09
...
Optical
Galaxy
...
p
2008AJ....136..773F
 i  pseudo-bulge
...
Optical
Galaxy
...
nP
2008AJ....136..773F
 i  nuclear patchiness
...
Optical
Galaxy
...
4
1975SoByu..47...43A
 i  star-like nucleus (slightly resolved)
...
Optical
Galaxy
...
grand-design spiral
1994CAG1..B...0000S
 i  grand-design spiral
...
Optical
Galaxy
...
partially resolved arms
1964RC1...C...0000d
 i  partially resolved arms
...
Optical
Galaxy
...
massive arms
1964RC1...C...0000d
 i  massive arms
...
Optical
Galaxy
...
many branches
1964RC1...C...0000d
 i  many branches
...
Optical
Galaxy
...
low surface brightness
1964RC1...C...0000d
 i  low surface brightness
...
Optical
Galaxy
...
hexagonal pseudo (r)
1964RC1...C...0000d
 i  hexagonal pseudo (r)
...
Optical
Galaxy
...
extremely small nucleus
1964RC1...C...0000d
 i  extremely small nucleus
...
Optical
Galaxy
...
BN
1964RC1...C...0000d
 i  bright nucleus
...
Optical
Galaxy
...
3 or 4 main arms
1964RC1...C...0000d
 i  3 or 4 main arms
...
Optical
Galaxy
...
p
2008AJ....136..773F
 i  pseudo bulge
...
Optical
Galaxy
...
Distance Indicator
Tully-Fisher
1988NBGC.C....0000T
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 28.7 +/- 0.4 mag
D = 5.5 Mpc
Tully-Fisher
1994ApJ...430...53P
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 28.7 +/- 0.4 mag
D = 5.5 Mpc
TRGB
2000A&A...362..544K
 i  TRGB
...
Optical
Galaxy
(m-M) = 29.15 mag
D = 6.8 Mpc
Sosies
2002A&A...393...57T
 i  Sosies
...
Optical
Galaxy
(m-M) = 28.73 +/- 0.68 mag
D = 5.57 Mpc
SNII radio
1998ApJ...500...51W
 i  SNII radio
...
Optical
Galaxy
(m-M) = 30.52 +/- 0.31 mag
D = 12.7 Mpc
SNII optical
2010ApJ...715..833O
 i  SNII optical
...
Optical
Galaxy
(m-M) = 28.17 +/- 0.55 mag
D = 4.31 Mpc
SNII optical
1988IAUS..129..175B
 i  SNII optical
...
Optical
Galaxy
(m-M) = 28.49 mag
D = 5 Mpc
SNII optical
2010ApJ...715..833O
 i  SNII optical
...
Optical
Galaxy
(m-M) = 28.64 +/- 0.5 mag
D = 5.35 Mpc
SNII optical
1994ApJ...432...42S
 i  SNII optical
...
Optical
Galaxy
(m-M) = 28.78 +/- 0.25 mag
D = 5.7 Mpc
SNII optical
2009ApJ...694.1067P
 i  SNII optical
...
Optical
Galaxy
(m-M) = 28.89 +/- 0.23 mag
D = 6 Mpc
SNII optical
1992ApJ...395..366S
 i  SNII optical
...
Optical
Galaxy
(m-M) = 29.29 +/- 0.28 mag
D = 7.2 Mpc
SNII optical
2012MNRAS.419.2783T
 i  SNII optical
...
Optical
Galaxy
(m-M) = 28.41 +/- 0.26 mag
D = 4.8 Mpc
SNII optical
2012MNRAS.419.2783T
 i  SNII optical
...
Optical
Galaxy
(m-M) = 28.41 +/- 0.17 mag
D = 4.8 Mpc
SNII optical
2010ApJ...715..833O
 i  SNII optical
...
Optical
Galaxy
(m-M) = 28.37 +/- 0.31 mag
D = 4.72 Mpc
SNII optical
2009ApJ...694.1067P
 i  SNII optical
...
Optical
Galaxy
(m-M) = 28.36 +/- 0.09 mag
D = 4.7 Mpc
SNII optical
2010ApJ...715..833O
 i  SNII optical
...
Optical
Galaxy
(m-M) = 28.21 +/- 0.58 mag
D = 4.39 Mpc
PNLF
2008ApJ...683..630H
 i  PNLF
...
Optical
Galaxy
(m-M) = 28.92 +/- 0.21 mag
D = 6.08 Mpc
Brightest Stars
1997AstL...23..373S
 i  Brightest Stars
...
Optical
Galaxy
(m-M) = 28.85 mag
D = 5.9 Mpc


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