K2-183b
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| 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
- ↑ 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.
- ↑ "Archived Copy". Archived from the original on 2019-09-05. Retrieved 2018-03-08.CS1 maint: Archived copy as title (link)
- ↑ "Exoplanet Exploration: Planets Beyond our Solar System". Exoplanet Exploration: Planets Beyond our Solar System. Retrieved 2018-03-04.
- ↑ "Archived Copy" (PDF). Archived from the original (PDF) on 2018-03-24. Retrieved 2018-03-08.CS1 maint: Archived copy as title (link)
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