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Star TOI 1235

Red dwarf TOI 1235 is located 129 light years away from the Sun. It is a single star, that has 63 % of solar mass. There is at least one exoplanet in this system.
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Sun distance
129 light years

TOI 1235

Location +

Ascension iconRight ascension: 10h 8m 52.408s
Declination iconDeclination: 69° 16' 35.842'' (northern hemisphere)
Parallax iconParallax: 25.243
Distance iconSun distance: 129.206 ly | 39.6 pc
Star position
The position of a star tells us where it appears in the sky, similar to how we use coordinates like latitude and longitude on Earth. In astronomy, the three main coordinates are right ascension, declination and distance. .. icon More about Star position in StellarGuide

Basic characteristic

icon weight
Mass: 63 % M Sun
| 660 M Jupiter
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Star mass
Mass of the star TOI 1235 is 0.630 solar masses.

The mass of a star is the total amount of matter it contains. It is one of the most important properties of a star, as it determines almost everything about how the star lives, changes, and dies. In astronomy, star mass is usually measured in solar masses (M☉) — where 1 solar mass is equal to the mass of our Sun... icon More about Star mass in StellarGuide
radius icon
Size: 62 % R Sun
| 6.2 R Jupiter
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Star size
Radius of the star TOI 1235 is 0.619 solar radii.

The size of a star refers to its radius — the distance from its center to its surface. Star size is usually measured in solar radii (R☉), where 1 solar radius equals approximately 696,000 kilometers. Depending on their type and life stage, stars can be much smaller or larger than the Sun... icon More about Star size in StellarGuide
temperature icon
Temperature: 3997 K | 0.69 T Sun
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Star temperature
Surface temperature of TOI 1235 is 3997 K, which is 69 % of the temperature on the surface of the Sun.

The temperature of a star refers to the temperature at its surface, also called the photosphere. It is measured in kelvins (K), the standard unit for temperature in astronomy. A star’s temperature tells us a lot about its physical properties and where it stands in its evolutionary stage... icon More about Star temperature in StellarGuide

Photometry

Magnitude iconApparent magnitude (V): 11.5
Magnitude iconAbsolute magnitude (V): 8.5
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).
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
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TOI 1235 system structure

TOI 1235
TOI 1235 b 0.04 AU 5.9 M⊕ 1.7 R⊕ 3.4 days

More about TOI 1235

Star TOI 1235 is approximately 60 % of the size of Sun and temperature on its surface is around 3997 K (3724 °C), which is about 69 % of Sun's temperature.
       TOI 1235 can be found in northern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope. 
Other designations of this star
LSPM J1008+6916, TYC 4384-1735-1, 2MASS J10085177+6916357, TIC 103633434, WISEA J100852.20+691635.7
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External sources

Frequently Asked Questions

How far is the TOI 1235 system from the Sun?

The TOI 1235 system is 129 light years or 39.6 parsecs from the Sun.

What galaxy is the TOI 1235 star in?

The TOI 1235 is in the Milky Way galaxy just like the Sun.

How many stars are in the TOI 1235 system?

The TOI 1235 is a single star, there are no other known stars in the system.

What type of star is the TOI 1235?

The star TOI 1235 is a Red dwarf star.

What temperature is star TOI 1235?

The star TOI 1235 has an effective temperature of 3997 K. Find out more about the temperature of stars in Stellar guide
Class of stars Red dwarf
Red dwarfs are small, cool stars with surface temperatures of about 2,000–3,800 K, much cooler than the Sun. They usually have 8–50% of the Sun’s mass and shine very faintly, sometimes at just a tiny fraction of the Sun’s brightness. Classified mainly as spectral type M, they are the most common stars in the Milky Way, making up roughly 70–75% of its stellar population.

They fuse hydrogen slowly through the proton–proton chain and are fully convective, which allows them to use their fuel very efficiently. As a result, red dwarfs can live for tens of billions to trillions of years—far longer than the Sun. Many exoplanets orbit red dwarfs, including some in close habitable zones, though strong stellar activity can affect planetary environments.

stellar brief logoStellar Brief

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23. 10. 2026
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A planet’s escaping helium, a star’s hidden infrared rhythms, and a possible distant world in the WISPIT 2 system reveal how much we can learn by watching light across the spectrum. New observations also trace the changing radio and X-ray activity of young V1298 Tauri, while detailed models map cloudy and clear regions across the hot Jupiter WASP-43 b.
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