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Wolf 940
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Star Wolf 940

Binary star Wolf 940 is located 40 light years away from the Sun. It consists of a red dwarf and a brown dwarf. For now, there are no known exoplanets in this star system.
Sun distance
40 light years
galaxy map

Wolf 940 A

Red dwarf, High proper motion star
Spectral class: dM4.0

Location

Ascension iconRight ascension: 21h 46m 41.25s
Declination iconDeclination: -0° 10' 31.862'' (equatorial region)
Parallax iconParallax: 80.738
Distance iconSun distance: 40.397 ly | 12.4 pc

Basic characteristic

icon weight
Mass: 27 % M Sun | 283 M Jupiter
radius icon
Size: 30 % R Sun | 2.9 R Jupiter (estimate)
temperature iconTemperature: 3352 K | 0.58 T Sun
time iconAge: 5 billions years | 1.09 Sun

Photometry

Magnitude iconApparent magnitude (V): 12.7
Magnitude iconAbsolute magnitude (V): 12.2
5
10
15
20
25
30
35
K
2.1
H
1.6
J
1.2
Grp
0.8
I
0.8
G
0.6
V
0.5
Gbp
0.5
B
0.4
U
0.3
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

Wolf 940 B

Brown dwarf, , High proper motion star
Spectral class: T8+/Y?

Location

Distance iconDistance from the primary: 400 AU

Basic characteristic

icon weight
Mass: 2.5 % M Sun | 26 M Jupiter
radius icon
Size: 9 % R Sun | 0.9 R Jupiter
temperature iconTemperature: 605 K | 0.1 T Sun

Photometry

5
10
15
20
25
30
35
K
2.1
H
1.6
J
1.2
Grp
0.8
I
0.8
G
0.6
V
0.5
Gbp
0.5
B
0.4
U
0.3
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

Wolf 940 system structure

Wolf 940 A
Wolf 940 B400 AU
More about Wolf 940
       Wolf 940 can be found in southern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.
Other designations of this star
2MASS J21464040-0010233, GJ 1263, Gliese 1263, LHS 3708, LTT 8692, LPM 797, LFT 1660, G 26-30, G 93-35, USNO 467, Gaia EDR3 2681122098893985408
External sources
simbad icon
Simbad database (Wolf 940 B)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
Closest stars

 LP 639-1
 - 3.8 ly

UCAC4 427-122653
 - 4.6 ly

HD 209290
 - 6.9 ly

Wolf 1555
 - 7.1 ly

2MASS J2224-0158
 - 7.3 ly
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