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Star WASP-103

Yellow-White star WASP-103 is located 1779 light years away from the Sun. It is a single star of spectral class F8V, that has 122 % of solar mass. There is at least one exoplanet in this system.
Sun distance
1779 light years


Yellow-White star (spectral class F8V)


Ascension iconRight ascension: 16h 37m 15.577s
Declination iconDeclination: 7° 11' 0.11'' (equatorial region)
Parallax iconParallax: 1.833
Distance iconSun distance: 1779.162 ly | 545.5 pc

Basic characteristic

icon weight
Mass: 122 % M Sun | 1278 M Jupiter
radius icon
Size: 144 % R Sun | 14.3 R Jupiter
temperature iconTemperature: 6110 K | 1.06 T Sun
time iconAge: 4 billions years | 0.87 Sun
luminosity iconLuminosity: 7.6 L Sun

1 exoplanet

WASP-103 b 0.02 AU 462.6 M 17.1 R 0.9 days
More about WASP-103
Star WASP-103 is a main sequence star that fuses hydrogen atoms into helium. It is is approximately 44 % bigger than the Sun and temperature on its surface is around 6110 K (5837 °C), which is about 106 % of Sun's temperature.
      WASP-103 can be found in northern celestial hemisphere. 
Other designations of this star
Gaia DR2 4439085988769170432, 2MASS J16371556+0711000
External sources
icon study
Thermal Emission from the Hot Jupiter WASP-103b in
Scientific study, Submitted: 24. 03. 2023
News from this star system
Article image:

Exoplanet WASP-103 b orbits so close to its star, that it has deformed shape

Astronomers used space telescopes Hubble, Spitzer and CHEOPS to identify deformed shape of an exoplanet orbiting a star 1800 light years away. The exoplanet goes around the star in less than a day. The strong gravity of the star causes the tidal effect, which in turn deforms the exoplanet’s shape.

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