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K2-183b

From EverybodyWiki Bios & Wiki

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. 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.
  2. http://phl.upr.edu/projects/habitable-exoplanets-catalog/calculators
  3. "Exoplanet Exploration: Planets Beyond our Solar System". Exoplanet Exploration: Planets Beyond our Solar System. Retrieved 2018-03-04.
  4. http://outer.space.dtu.dk/awm/images/validationpaper.pdf


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