Star TOI 640

Binary star TOI 640 is located 1106 light years away from the Sun. It consists of a yellow-white star and a red dwarf. There is at least one exoplanet in this system.

TOI 640 A

Yellow-White star

Location

Right ascension: 6h 38m 56.311s

Declination: -36° 38' 46.065'' (southern hemisphere)

Parallax: 2.949

Sun distance: 1105.866 ly | 339.1 pc

Basic characteristic

Mass: 153.6 % M Sun

Size: 208 % R Sun

Temperature: 6460 K | 1.12 T Sun

Age: 1.99 billions years | 0.43 Sun

Photometry

Apparent magnitude (V): 10.5

Absolute magnitude (V): 2.9

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 640 B

Red dwarf

Basic characteristic

TOI 640 system structure

TOI 640 A
	TOI 640 B b	n/a	181.2 M⊕	19.9 R⊕	5 days
TOI 640 B

More about TOI 640

       TOI 640 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.

External sources

The low density, hot Jupiter TOI-640 b is on a polar orbit

Scientific study, Accepted: 03. 02. 2023

Get your next news from nearby stars

This is a new project, and partly still in development. There will be soon more information and functions. We would love your support on social media.

Living Future: Nearby stars

Visit profile on X Follow @LIVINGfUTUREcz