Kepler-37d

Kepler-37d
Exoplanet List of exoplanets
Size comparison
Earth Kepler-37d
Parent star
Star Kepler-37
Constellation Lyra
Right ascension (α) 18h 56m 14.3078s[1]
Declination (δ) 44° 31 05.389[1]
Apparent magnitude (mV) 9.71
Distance208.9±0.4[1] ly
(64.0±0.1[1] pc)
Spectral type G8V
Mass (m) 0.80±0.07 M
Radius (r) 0.77±0.03 R
Temperature (T) 5417±75 K
Metallicity [Fe/H] -0.32±0.07
Age 5.66 Gyr
Physical characteristics
Radius(r)1.99 [2] R
Temperature (T) 182 °C (455 K; 360 °F)
Orbital elements
Semi-major axis(a) 0.2076+0.0016
−0.0022
AU
Eccentricity (e) 0.15+0.07
−0.1
Orbital period(P) 39.79 d
Inclination (i) 89.335+0.043
−0.047
[3] [4]°
Discovery information
Discovery date 2013
Discoverer(s)
Discovery method Transit
Discovery site Kepler Space Observatory
Discovery status Confirmed


Kepler-37d is an extrasolar planet (exoplanet) discovered by the Kepler space telescope in February 2013.[5] It is located 209 light years away,[1] in the constellation Lyra.[5] With an orbital period of 40 days,[6] it is the largest of the three known planets orbiting its parent star Kepler-37.[6]

See also

References

  1. 1 2 3 4 5 Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia Data Release 2 Vizier catalog entry
  2. http://saganplanetwalk.wixsite.com/home/kepler-37d
  3. http://exoplanet.eu/catalog/Kepler-37_d/
  4. Barclay, T. et al. A sub-Mercury-sized exoplanet. Nature 494, 452-454 (2013).
  5. 1 2 Black, Charles. "NASA's Kepler discovers small planet system". SEN TV LIMITED. Archived from the original on 23 February 2013. Retrieved 25 February 2013.
  6. 1 2 Harwood, William. "Kepler telescope spots smallest exoplanet yet". Spaceflight Now Inc. Retrieved 25 February 2013.
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