Kepler-37d
Exoplanet | List of exoplanets
| |||||
---|---|---|---|---|---|---|
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 | ||||
Distance | ±0.4 208.9[1] ly (±0.1 64.0[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) | +0.0016 −0.0022 0.2076AU | ||||
Eccentricity | (e) | +0.07 −0.1 0.15 | ||||
Orbital period | (P) | 39.79d | ||||
Inclination | (i) | +0.043 −0.047 89.335[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 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
- ↑ http://saganplanetwalk.wixsite.com/home/kepler-37d
- ↑ http://exoplanet.eu/catalog/Kepler-37_d/
- ↑ Barclay, T. et al. A sub-Mercury-sized exoplanet. Nature 494, 452-454 (2013).
- 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.
- 1 2 Harwood, William. "Kepler telescope spots smallest exoplanet yet". Spaceflight Now Inc. Retrieved 25 February 2013.
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