Star TOI-251

Orange star TOI-251 is located 326 light years away from the Sun. It is a single star of spectral class K0 E, that has 104 % of solar mass. There is at least one exoplanet in this system.

TOI-251

Orange star

Spectral class: K0 E

Location

Right ascension: 23h 32m 14.84s

Declination: -37° 15' 21.136'' (southern hemisphere)

Parallax: 10.019

Sun distance: 325.528 ly | 99.8 pc

Basic characteristic

Mass: 103.6 % M Sun

Size: 88 % R Sun

Temperature: 5875 K | 1.02 T Sun

Age: 0.18 billions years | 0.04 Sun

Photometry

Apparent magnitude (V): 9.9

Absolute magnitude (V): 4.9

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-251 system structure

	TOI-251
		TOI-251 b	0.06 AU	317.9 M⊕	2.7 R⊕	4.9 days

More about TOI-251

Star TOI-251 is approximately 90 % of the size of Sun and temperature on its surface is around 5875 K (5602 °C), which is about 102 % of Sun's temperature.

       TOI-251 can be found in southern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is also observable from Northern America, Europe and Asia.

Other designations of this star
CD-37 15287, SAO 214606, TIC 224225541, TYC 7520-369-1, GSC 07520-00369

External sources

A search for stellar siblings of the ~ 200 Myr TOI-251b planetary system

Scientific study, Accepted: 05. 05. 2023

TESS database (TOI 251.01)

Archive from the TESS mission

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