★ Star Gliese 221 | Nearby stars catalogue

Orange star Gliese 221 is located 66.2 light years away from the Sun. It is a single star of spectral class K7V/M0V C, that has 72 of solar mass. There are multiple known exoplanets in this system.

Gliese 221

Orange star (spectral class K7V/M0V C)

Mass: 0.72 M Sun

Size: 0.72 R Sun (estimate)

Temperature: 4559 K | 0.79 T Sun

Age: 4.4 billions years | 0.96 Sun

Luminosity: 0.095 L Sun

Apparent magnitude (V): 9.693

4 exoplanets:

Gliese 221 e	3.3 M⊕	0.03 AU	2.4 days
Gliese 221 b	8.6 M⊕	0.04 AU	3.9 days
Gliese 221 c	54 M⊕	0.44 AU	125.9 days
Gliese 221 d	18.5 M⊕	1.06 AU	487 days

Photometry

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

More about Gliese 221

      Nearby star Gliese 221 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 observable also from Northern America, Europe and Asia.  Gliese 221 is about 70 % of the size of Sun and temperature in its outer envelope is around 4559 K (4286 °C), which is about 79 % of Suns temperature.

Other designations of this star
BD-06 1339, HIC 27803, HIP 27803, LTT 2396, 2MASS J05530028-0559410, NLTT 15758, MCC 10, GJ 221, TIC 66914642, TYC 4781-406-1, Gaia EDR3 3022099969137163904

External sources

Sources

Simbad database (BD-06 1339 )

Gaia database (Gaia EDR3 3022099969137163904)

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