Star TOI 554

Yellow-White star TOI 554 is located 147 light years away from the Sun. It is a single star, that has 125 % of solar mass. There are multiple known exoplanets in this system.

TOI 554

Yellow-White star

Location

Right ascension: 4h 2m 59.613s

Declination: 9° 12' 27.881'' (equatorial region)

Parallax: 22.131

Sun distance: 147.372 ly | 45.2 pc

Basic characteristic

Mass: 125 % M Sun

Size: 142 % R Sun

Temperature: 6352 K | 1.1 T Sun

Age: 2.3 billions years | 0.5 Sun

Photometry

Apparent magnitude (V): 6.9

Absolute magnitude (V): 3.6

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 554 system structure


TOI 554
	TOI 554 b	0.04 AU	1.4 R⊕	3 days
	TOI 554 c	0.08 AU	2.6 R⊕	7 days

More about TOI 554

Star TOI 554 is is approximately 42 % bigger than the Sun and temperature on its surface is around 6352 K (6079 °C), which is about 110 % of Sun's temperature.

       TOI 554 can be found in northern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is easily observable from Northern America, Europe and Asia.

Other designations of this star
Gaia DR3 3301771025223950336

External sources

The TESS-Keck Survey. XV. Precise Properties of 108 TESS Planets and Their Host Stars

Scientific study, Accepted: 01. 06. 2023

Gaia database (Gaia DR3 3301771025223950336)

Archive from the Gaia mission

TESS database (TOI 554.01)

Archive from the TESS mission

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