NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: Sun Aug 18 21:07:57 2019 PDT
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Classifications for MESSIER 101

132 Classifications found in NED

   MESSIER 101


Published NED Homogenized
Classification Reference Code Classification Flag Bandpass Region Notes
Hierarchy
I
1973AISAO...8....3K
 i  Isolated galaxy
...
Optical
Environment
see KIG 0610
RG
1998Afz....41..308M
 i  in a radial-velocity based grouping
...
Optical
Environment
see [M98j] 170
GR
1988NBGC.C....0000T
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see NBGC 14-09
GR
1993A&AS..100...47G
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see GG 371
GR
1992A&AS...93..211F
 i  Group member, radial-velocity confirmed
...
Optical
Environment
see NGC 5457 GROUP
GM
1982ApJ...257..423H
 i  Group member
...
Optical
Environment
see [HG82] 75
GM
1998Afz....41..308M
 i  Group member
...
Optical
Environment
see [M98j] 170
GM
1976RC2...C...0000d
 i  Group member
...
Optical
Environment
see M101 GROUP
GM
1984TarOT..73....1V
 i  Group member
...
Optical
Environment
see VNK.086
GM
1979AN....300..181K
 i  Group member
...
Optical
Environment
see M101 (NGC 5457) GROUP
G1
1976ApJS...32..409T
 i  Brightest group member
...
Optical
Environment
see TG.082
G1
1976RC2...C...0000d
 i  Brightest group member
...
Optical
Environment
see M101 GROUP
G1
1983ApJS...52...61G
 i  Brightest group member
...
Optical
Environment
see [GH83] 128
Kinematics
HI line width
1980A&A....81..167S
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.286; [w = 193 km/s]
1: HI line width measured at 20% of maximum
HI line width
1969Natur.221..531B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.220; [w = 165 km/s]
1: HI line width measured at 20% of maximum
HI line width
1988ApJS...67....1T
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.280; [w = 190 km/s]
6: HI line width measured at 20% of the mean
HI line width
1983ApJS...53..269D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.364; [w = 231 km/s]
7: HI line width measured at 25% of the mean
HI line width
1983ApJS...53..269D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.350; [w = 223 km/s]
7: HI line width measured at 25% of the mean
HI line width
1981ApJS...47..139F
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.068; [w = 116 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) = 2.312; [w = 205 km/s]
1: HI line width measured at 20% of maximum
HI line width
1971A&A....13...99R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.079; [w = 119 km/s]
5: HI line width measured at 50% of maximum
HI line width
1971A&A....13...99R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.127; [w = 133 km/s]
4: HI line width measured at 40% of maximum
HI line width
1971A&A....13...99R
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.238; [w = 172 km/s]
1: HI line width measured at 20% of maximum
HI line width
1979A&A....75...19B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.163; [w = 145 km/s]
0: undefined level for HI line width
HI line width
1978ApJ...223..391D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.301; [w = 199 km/s]
2: HI line width measured at 25% of maximum
HI line width
1978ApJ...223..391D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.182; [w = 152 km/s]
5: HI line width measured at 50% of maximum
HI line width
1978ApJ...223..391D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.210; [w = 162 km/s]
4: HI line width measured at 40% of maximum
HI line width
1978ApJ...223..391D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.262; [w = 182 km/s]
1: HI line width measured at 20% of maximum
HI line width
1975MNRAS.170..503D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.193; [w = 155 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) = 2.199; [w = 158 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) = 2.233; [w = 171 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) = 2.301; [w = 199 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) = 2.217; [w = 164 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) = 2.255; [w = 179 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) = 2.328; [w = 212 km/s]
1: HI line width measured at 20% of maximum
HI line width
1962AJ.....67..317D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.176; [w = 149 km/s]
5: HI line width measured at 50% of maximum
HI line width
1962AJ.....67..317D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.248; [w = 177 km/s]
4: HI line width measured at 40% of maximum
HI line width
1962AJ.....67..317D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.342; [w = 219 km/s]
1: HI line width measured at 20% of maximum
HI line width
1980MNRAS.191..253D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.190; [w = 154 km/s]
5: HI line width measured at 50% of maximum
HI line width
1980MNRAS.191..253D
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.262; [w = 182 km/s]
1: HI line width measured at 20% of maximum
HI line width
1980A&A....81..167S
 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
1980A&A....81..167S
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.134; [w = 136 km/s]
5: HI line width measured at 50% of maximum
HI line width
1980A&A....81..167S
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.276; [w = 188 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) = 2.279; [w = 190 km/s]
2: HI line width measured at 25% of maximum
HI line width
1979A&A....74..138H
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.167; [w = 146 km/s]
5: HI line width measured at 50% of maximum
HI line width
1979A&A....74..138H
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.274; [w = 187 km/s]
2: HI line width measured at 25% of maximum
HI line width
1969Natur.221..531B
 i  HI line width
...
Radio
Galaxy
From HyperLEDA (Sept. 2010):
log(w) = 2.127; [w = 133 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) I
1981RSA...C...0000S
 i  LC I
...
Optical
Galaxy
Code: [S S5 1.0]
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 1.0]
WR
1999A&AS..136...35S
 i  Wolf-Rayet Galaxy
...
Optical
Nucleus
...
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
...
2
1975SoByu..47...43A
 i  flat central luminosity profile
...
Optical
Galaxy
...
multi-armed spiral
1994CAG1..B...0000S
 i  multi-armed spiral
...
Optical
Galaxy
...
arms branch into multiple fragments
1994CAG1..B...0000S
 i  arms branch into multiple fragments
...
Optical
Galaxy
...
Type 1 XUV disk
2007ApJS..173..538T
 i  Type 1 XUV disk
...
Ultraviolet
Galaxy
...
lopsided galaxy
1980MNRAS.193..313B
 i  lopsided galaxy
...
Optical
Galaxy
...
P
2011ApJ...733L..47F
 i  pseudo bulge
...
Optical
Galaxy
...
Distance Indicator
Tully-Fisher
1994ApJ...430...53P
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 29.2 +/- 0.5 mag
D = 6.92 Mpc
Tully-Fisher
1988NBGC.C....0000T
 i  Tully-Fisher
...
Optical
Galaxy
(m-M) = 28.65 +/- 0.4 mag
D = 5.4 Mpc
TRGB
2011ApJ...733..124S
 i  TRGB
...
Optical
Galaxy
(m-M) = 29.05 +/- 0.06 mag
D = 6.46 Mpc
TRGB
2012ApJ...760L..14L
 i  TRGB
...
Optical
Galaxy
(m-M) = 29.3 +/- 0.01 mag
D = 7.24 Mpc
TRGB
2007ApJ...661..815R
 i  TRGB
...
Optical
Galaxy
(m-M) = 29.34 +/- 0.09 mag
D = 7.38 Mpc
TRGB
2004ApJ...608...42S
 i  TRGB
...
Optical
Galaxy
(m-M) = 29.42 +/- 0.11 mag
D = 7.66 Mpc
SNII radio
1998ApJ...500...51W
 i  SNII radio
...
Optical
Galaxy
(m-M) = 29.35 +/- 0.38 mag
D = 7.4 Mpc
SNII optical
1992ApJ...395..366S
 i  SNII optical
...
Optical
Galaxy
(m-M) = 29.4 +/- 0.58 mag
D = 7.6 Mpc
SNII optical
1994ApJ...432...42S
 i  SNII optical
...
Optical
Galaxy
(m-M) = 29.35 +/- 0.4 mag
D = 7.4 Mpc
SNII optical
1974ApJ...193...27K
 i  SNII optical
...
Optical
Galaxy
(m-M) = 29.06 +/- 0.83 mag
D = 6.5 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 29.06 +/- 0.13 mag
D = 6.49 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 28.86 +/- 0.12 mag
D = 5.92 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 28.87 +/- 0.17 mag
D = 5.94 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 28.91 +/- 0.33 mag
D = 6.05 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 28.93 +/- 0.2 mag
D = 6.11 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 28.93 +/- 0.16 mag
D = 6.11 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 28.94 +/- 0.18 mag
D = 6.14 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 28.94 +/- 0.13 mag
D = 6.14 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 28.98 +/- 0.27 mag
D = 6.25 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 28.99 +/- 0.19 mag
D = 6.28 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 29 +/- 0.26 mag
D = 6.31 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 29.01 +/- 0.11 mag
D = 6.34 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 29.01 mag
D = 6.34 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 29.04 +/- 0.18 mag
D = 6.43 Mpc
SNIa
2012A&A...546A..12V
 i  SNIa
...
Optical
Galaxy
(m-M) = 29.05 +/- 0.08 mag
D = 6.46 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 29.08 +/- 0.14 mag
D = 6.55 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 29.08 +/- 0.19 mag
D = 6.55 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 29.08 +/- 0.15 mag
D = 6.55 Mpc
SNIa
2012A&A...546A..12V
 i  SNIa
...
Optical
Galaxy
(m-M) = 29.1 +/- 0.08 mag
D = 6.61 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 29.11 +/- 0.27 mag
D = 6.64 Mpc
SNIa
2012MNRAS.426.2359M
 i  SNIa
...
Optical
Galaxy
(m-M) = 29.13 +/- 0.01 mag
D = 6.69 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 29.17 +/- 0.19 mag
D = 6.82 Mpc
SNIa
2012ApJ...754...19M
 i  SNIa
...
Optical
Galaxy
(m-M) = 29.17 +/- 0.15 mag
D = 6.82 Mpc
SNIa
2012A&A...546A..12V
 i  SNIa
...
Optical
Galaxy
(m-M) = 29.23 +/- 0.07 mag
D = 7.01 Mpc
S Doradus Stars
1989A&A...217...87W
 i  S Doradus Stars
...
Optical
Galaxy
(m-M) = 28.6 mag
D = 5.25 Mpc
RSV Stars
2000MNRAS.313..868J
 i  RSV Stars
...
Optical
Galaxy
(m-M) = 29.4 +/- 0.16 mag
D = 7.59 Mpc
PNLF
1996ApJ...461L..25F
 i  PNLF
...
Optical
Galaxy
(m-M) = 29.42 +/- 0.15 mag
D = 7.7 Mpc
PNLF
1997ApJ...479..231F
 i  PNLF
...
Optical
Galaxy
(m-M) = 29.36 +/- 0.15 mag
D = 7.45 Mpc
M Stars
1983ApJ...264..458H
 i  M Stars
...
Optical
Galaxy
(m-M) = 28.6 +/- 0.2 mag
D = 5.25 Mpc
HII region diameter
1982ApJ...255L..29L
 i  HII region diameter
...
Optical
Galaxy
(m-M) = 28.18 +/- 0.28 mag
D = 4.33 Mpc
HII region diameter
1980A&A....83..354C
 i  HII region diameter
...
Optical
Galaxy
(m-M) = 28.8 mag
D = 5.75 Mpc
Cepheids
2001ApJ...549..721M
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.37 +/- 0.01 mag
D = 7.48 Mpc
Cepheids
1996ApJ...463...26K
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.34 +/- 0.1 mag
D = 7.38 Mpc
Cepheids
1998ApJ...498..181K
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.34 +/- 0.08 mag
D = 7.38 Mpc
Cepheids
1986ApJ...301L..45C
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.3 mag
D = 7.24 Mpc
Cepheids
2002A&A...389...19P
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.3 +/- 0.07 mag
D = 7.24 Mpc
Cepheids
2004ApJ...608...42S
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.24 +/- 0.08 mag
D = 7.05 Mpc
Cepheids
2002A&A...389...19P
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.23 +/- 0.07 mag
D = 7.01 Mpc
Cepheids
1998ApJ...498..181K
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.21 +/- 0.09 mag
D = 6.95 Mpc
Cepheids
1998ApJ...508..491S
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.21 +/- 0.17 mag
D = 6.95 Mpc
Cepheids
1998ApJ...498..181K
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.2 +/- 0.07 mag
D = 6.92 Mpc
Cepheids
2001ApJ...548..564W
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.2 +/- 0.08 mag
D = 6.91 Mpc
Cepheids
2006ApJS..165..108S
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.18 +/- 0.08 mag
D = 6.85 Mpc
Cepheids
2001ApJ...553..562N
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.16 +/- 0.09 mag
D = 6.79 Mpc
Cepheids
2004ApJ...608...42S
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.14 +/- 0.09 mag
D = 6.73 Mpc
Cepheids
2001ApJ...553...47F
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.13 +/- 0.11 mag
D = 6.7 Mpc
Cepheids
2001ApJ...553..562N
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.06 +/- 0.11 mag
D = 6.49 Mpc
Cepheids
1998ApJ...508..491S
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.05 +/- 0.14 mag
D = 6.46 Mpc
Cepheids
2011ApJ...733..124S
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.04 +/- 0.05 mag
D = 6.43 Mpc
Cepheids
2001ApJ...549..721M
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.04 +/- 0.08 mag
D = 6.43 Mpc
Cepheids
2002A&A...389...19P
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.26 +/- 0.15 mag
D = 7.11 Mpc
Cepheids
2001ApJ...549..721M
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.77 +/- 0.09 mag
D = 8.99 Mpc
Cepheids
2001ApJ...549..721M
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.71 +/- 0.18 mag
D = 8.75 Mpc
Cepheids
2001ApJ...549..721M
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.58 +/- 0.09 mag
D = 8.24 Mpc
Cepheids
2001ApJ...549..721M
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.45 +/- 0.08 mag
D = 7.76 Mpc
Cepheids
1998ApJ...498..181K
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.39 +/- 0.07 mag
D = 7.55 Mpc
Cepheids
1991PASP..103..933M
 i  Cepheids
...
Optical
Galaxy
(m-M) = 29.38 mag
D = 7.52 Mpc
Brightest Stars
1980ApJ...241..598H
 i  Brightest Stars
...
Optical
Galaxy
(m-M) = 29.3 mag
D = 7.24 Mpc
Brightest Stars
1983AJ.....88.1569S
 i  Brightest Stars
...
Optical
Galaxy
(m-M) = 29.2 mag
D = 6.92 Mpc
Brightest Stars
1980A&A....83..354C
 i  Brightest Stars
...
Optical
Galaxy
(m-M) = 28.9 mag
D = 6.03 Mpc
Brightest Stars
1986AJ.....91..808H
 i  Brightest Stars
...
Optical
Galaxy
(m-M) = 28.4 mag
D = 4.79 Mpc


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