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Stellar Catalog
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LHS 1140
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Star LHS 1140

Red dwarf LHS 1140 is located 49 light years away from the Sun. It is a single star of spectral class M4.5V, that has 18 % of solar mass. There are multiple known exoplanets in this system.
Sun distance
49 light years

LHS 1140

Red dwarf (spectral class M4.5V)

Location

Ascension iconRight ascension: 0h 44m 59.692s
Declination iconDeclination: -15° 16' 27.089'' (equatorial region)
Parallax iconParallax: 66.829
Distance iconSun distance: 48.805 ly | 15 pc

Basic characteristic

icon weight
Mass: 18.4 % M Sun | 193 M Jupiter
radius icon
Size: 22 % R Sun | 2.1 R Jupiter
temperature iconTemperature: 3096 K | 0.54 T Sun
time iconAge: 4 billions years | 0.87 Sun
luminosity iconLuminosity: 0.0038 L Sun

3 exoplanets

LHS 1140 c 0.03 AU 1.9 M 1.3 R 3.8 days
LHS 1140 b 0.09 AU 5.6 M 1.7 R 24.7 days
LHS 1140 d
unconfirmed
0.21 AU 3.9 M 2 R -

Photometry

Magnitude iconApparent magnitude (V): 14.2
Magnitude iconAbsolute magnitude (V): 13.3
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).
More about LHS 1140
Nearby star LHS 1140 is a main sequence star that fuses hydrogen atoms into helium. It is approximately 20 % of the size of Sun and temperature on its surface is around 3096 K (2823 °C), which is about 54 % of Sun's temperature.
      LHS 1140 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
G 268-38, G 270-58, GJ 3053, Gliese 3053, 2MASS J00445930-1516166, NLTT 2465, TIC 92226327, TOI-256, WISEA J004459.56-151623.9, WT 1138, Gaia EDR3 2371032916186181760
External sources
icon study
LHS 1140 b is a potentially habitable water world
Scientific study, Accepted: 20. 03. 2024
simbad icon
Simbad database (G 268-38)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 2371032916186181760)
Archive from the Gaia mission
tess icon
TESS database (TOI 256.01)
Archive from the TESS mission
Class of stars Red dwarf
Red dwarfs are small reddish stars, that are by far the most common type of star in solar neighborhood. Their mass is usually between 10 and 50 % of solar mass.
Closest stars

PM J01033-1347
- 5 ly

Phi2 Ceti
1.2 M☉ 5.2 ly

HD 4967
- 6.8 ly

HD 3443
0.92 M☉ 8.5 ly

G 272-10
- 8.7 ly
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