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Gliese 1221
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Star Gliese 1221

White dwarf Gliese 1221 is located 20 light years away from the Sun. It is a single star of spectral class DQ9P, that has 81 % of solar mass. For now, there are no known exoplanets in this star system.
Sun distance
20 light years

Gliese 1221

Spectral class: DQ9P

Location

Ascension iconRight ascension: 17h 48m 3.87s
Declination iconDeclination: 70° 52' 53.666'' (northern hemisphere)
Parallax iconParallax: 160.995
Distance iconSun distance: 20.259 ly | 6.2 pc

Basic characteristic

icon weight
Mass: 81 % M Sun | 849 M Jupiter
radius icon
Size: 1 % R Sun | 0.1 R Jupiter
temperature iconTemperature: 5260 K | 0.91 T Sun
time iconAge: 5.69 billions years | 1.24 Sun
luminosity iconLuminosity: 0.000085 L Sun

Photometry

5
10
15
20
25
30
35
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).

Gliese 1221 system structure

Gliese 1221
More about Gliese 1221
Nearby star Gliese 1221 is is is much smaller than the Sun and temperature on its surface is around 5260 K (4987 °C), which is about 91 % of Sun's temperature.
       Gliese 1221 can be found in northern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope. 
Other designations of this star
EGGR 372, G 240-72, LP 44-113, WD 1748+708, LHS 455, NLTT 45565, Gaia EDR3 1638979384378696704
External sources
simbad icon
Simbad database (EGGR 372)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 1638979384378696704)
Archive from the Gaia mission
Closest stars

Sigma Draconis
0.85 M☉ 3.3 ly

Gliese 4053
0.16 M☉ 5.1 ly

WISE J1506+7027
0.09 M☉ 5.4 ly

Gliese 687
0.4 M☉ 5.5 ly

LP 71-82
- 5.8 ly
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