K2-183b
Exoplanet | List of exoplanets | |
---|---|---|
Parent star | ||
Star | K2-183 | |
Constellation | Cancer | |
Right ascension | (α) | 08h 20m 01.72s |
Declination | (δ) | +14° 01′ 10.06″ |
Apparent magnitude | (mV) | 12.754 (Kepler magnitude) |
Mass | (m) | 0.942+0.021 −0.025[1] M☉ |
Radius | (r) | 0.873+0.037 −0.023[1] R☉ |
Temperature | (T) | 5482±50[1] K |
Metallicity | [Fe/H] | 0.09±0.08[1] |
Age | unknown Gyr | |
Physical characteristics | ||
Radius | (r) | 2.60+25.51 −1.40[1] R⊕ |
Stellar flux | (F⊙) | 4596 ⊕ |
Temperature | (T) | 2,097 K (1,824 °C; 3,315 °F)[2] |
Orbital elements | ||
Semi-major axis | (a) | 0.01159 AU |
Eccentricity | (e) | null[1] |
Orbital period | (P) | 0.469269 (± 0.000025)[1] d |
Inclination | (i) | 25.0+56.0 −10.0° |
Discovery information | ||
Discovery date | February 2018 | |
Discoverer(s) | Mayo et al. 2018 | |
Discovery method | Transit | |
Discovery status | Confirmed | |
Other designations | ||
EPIC 211562654.03, WISE J082001.72+140110.0 b, 2MASS J08200170+1401100 b, EPIC 211562654 b
|
K2-183b (previously designated EPIC 211562654.03) is an extremely hot Neptune-sized exoplanet orbiting the Sun-like star K2-183. Discovered by the Kepler space telescope during its K2 “Second Light” mission, K2-183b has one of the shortest orbital periods known, with one orbit taking a little over 11 hours to complete.[3] While its radius is very uncertain, it appears to be around 3 times the radius of Earth. It has a temperature hot enough to melt iron.[4]
References[edit]
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "K2-183 b". exoplanetarchive.ipac.caltech.edu. Retrieved 2018-03-04.
- ↑ http://phl.upr.edu/projects/habitable-exoplanets-catalog/calculators
- ↑ "Exoplanet Exploration: Planets Beyond our Solar System". Exoplanet Exploration: Planets Beyond our Solar System. Retrieved 2018-03-04.
- ↑ http://outer.space.dtu.dk/awm/images/validationpaper.pdf
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