Star HD 1397

Yellow giant HD 1397 is located 261 light years away from the Sun. It is a single star of spectral class G5III/IV D, that has 132 % of solar mass. There is at least one exoplanet in this system.

HD 1397

Yellow giant

Spectral class: G5III/IV D

Location

Right ascension: 0h 17m 47.16s

Declination: -66° 21' 32.063'' (southern hemisphere)

Parallax: 12.493

Sun distance: 261.063 ly | 80 pc

Basic characteristic

Mass: 132.2 % M Sun

Size: 233 % R Sun

Temperature: 5528 K | 0.96 T Sun

Age: 4.52 billions years | 0.98 Sun

Photometry

Apparent magnitude (V): 7.8

Absolute magnitude (V): 3.3

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).

System structure

	HD 1397
		HD 1397 b	0.11 AU	131.9 M⊕	11.5 R⊕	11.5 days

More about HD 1397

Star HD 1397 is is approximately 2 times bigger than the Sun and temperature on its surface is around 5528 K (5255 °C), which is about 96 % of Sun's temperature.

       HD 1397 can be found in southern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope.

Other designations of this star
TIC 394137592, HIP 1419, 2MASS J00174714-6621323, TYC 8846-638-1, TOI-120, CD-67 13

External sources

Occurrence rate of hot Jupiters orbiting red giant stars

Scientific study, Accepted: 21. 12. 2022

TESS database (TOI 120.01)

Archive from the TESS mission

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