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Stellar Catalog
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Nearby stars catalogue
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TOI-270
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Star TOI-270

Red dwarf TOI-270 is located 73 light years away from the Sun. It is a single star of spectral class M3.0V C, that has 40 % of solar mass. There are multiple known exoplanets in this system.
Sun distance
73 light years

TOI-270

Red dwarf, High proper motion star
Spectral class: M3.0V C

Location

Ascension iconRight ascension: 4h 33m 39.87s
Declination iconDeclination: -51° 57' 26.752'' (southern hemisphere)
Parallax iconParallax: 44.49
Distance iconSun distance: 73.31 ly | 22.5 pc

Basic characteristic

icon weight
Mass: 40 % M Sun | 419 M Jupiter
radius icon
Size: 38 % R Sun | 3.8 R Jupiter
temperature iconTemperature: 3551 K | 0.61 T Sun

Photometry

Magnitude iconApparent magnitude (V): 12.6
Magnitude iconAbsolute magnitude (V): 10.8
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).

TOI-270 system structure

TOI-270
TOI-270 b 0.03 AU 1.9 M 1.2 R 3.4 days
TOI-270 c 0.05 AU 6.6 M 2.4 R 5.7 days
TOI-270 d 0.07 AU 5.4 M 2.1 R 11.4 days
More about TOI-270
Nearby star TOI-270 is a main sequence star that fuses hydrogen atoms into helium. It is approximately 40 % of the size of Sun and temperature on its surface is around 3551 K (3278 °C), which is about 61 % of Sun's temperature.
       TOI-270 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
L 231-32, LEHPM 3808, 2MASS J04333970-5157222, TIC 259377017, UCAC4 191-004642, Gaia EDR3 4781196115469953024
External sources
icon study
Possible Hycean conditions in the sub-Neptune TOI-270 d
Scientific study, Accepted: 05. 03. 2024
simbad icon
Simbad database (L 231-32)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 4781196115469953024)
Archive from the Gaia mission
tess icon
TESS database (TOI 270.01)
Archive from the TESS mission
Class of stars Red dwarf
part of star image
part of star image
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

UPM J0442-5459
- 4.3 ly

LEHPM 3726
- 6 ly

RR Caeli
0.44 M☉ 6.4 ly

LEHPM 3866
- 6.6 ly

LEHPM 3806
- 7.2 ly
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