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Stellar Catalog
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Nearby stars catalogue
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HD 21520
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Star HD 21520

Yellow star HD 21520 is located 259 light years away from the Sun. It is a single star, that has 109 % of solar mass. There is at least one exoplanet in this system.
Sun distance
259 light years

HD 21520

Yellow star

Location

Ascension iconRight ascension: 3h 26m 33.688s
Declination iconDeclination: -43° 36' 49.205'' (southern hemisphere)
Parallax iconParallax: 12.59
Distance iconSun distance: 259.068 ly | 79.4 pc

Basic characteristic

icon weight
Mass: 109 % M Sun | 1142 M Jupiter
radius icon
Size: 104 % R Sun | 10.4 R Jupiter
temperature iconTemperature: 5871 K | 1.02 T Sun
time iconAge: 5.3 billions years | 1.15 Sun
luminosity iconLuminosity: 1.164 L Sun

1 exoplanet

HD 21520 b 0.17 AU 7.9 M 2.7 R 25.1 days

Photometry

Magnitude iconApparent magnitude (V): 9.2
Magnitude iconAbsolute magnitude (V): 4.7
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).
More about HD 21520
Star HD 21520 is is approximately 4 % bigger than the Sun and temperature on its surface is around 5871 K (5598 °C), which is about 102 % of Sun's temperature.
       HD 21520 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. 
Other designations of this star
TIC 404518509, TOI 4320, Gaia DR3 4847732649308331648
External sources
icon study
HD 21520 b: a warm sub-Neptune transiting a bright G dwarf
Scientific study, Accepted: 13. 06. 2024
gaia icon
Gaia database (Gaia DR3 4847732649308331648)
Archive from the Gaia mission
tess icon
TESS database (TOI 4320.01)
Archive from the TESS mission
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