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Kepler-37c

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Terrestrial planet orbiting Kepler-37
Kepler-37c
Discovery
Discovery siteKepler space telescope
Discovery date2013
Detection methodTransit
Orbital characteristics
Semi-major axis0.1390±0.0020 AU
Eccentricity<0.099
Orbital period (sidereal)21.301848(18) d
Inclination89.07°+0.19°
−0.33°
StarKepler-37
Physical characteristics
Mean radius0.755+0.033
−0.055 R🜨
Mass<1.3 M🜨
Temperature615±9 K (342 °C; 647 °F, equilibrium)

Kepler-37c is an exoplanet discovered by the Kepler space telescope in February 2013. With an orbital period of 21 days, it is located 209 light-years away, in the constellation Lyra.

Host star

Main article: Kepler-37

The planet orbits a (G-type) star similar to the Sun, named Kepler-37, orbited by a total of four planets. The star has a mass of 0.80 M and a radius of 0.79 R. It has a temperature of, 5417 K and is 5.66 billion years old. In comparison, the Sun is 4.6 billion years old, and has a temperature of 5778 K.

The star's apparent magnitude, or how bright it appears from Earth's perspective, is 9.71. Therefore, it is too dim to be seen with the naked eye.

See also

References

  1. Barclay, T.; Rowe, J. F.; Lissauer, J. J.; Huber, D.; Fressin, F.; Howell, S. B.; Bryson, S. T.; Chaplin, W. J.; Désert, J. M. (2013-02-20). "A sub-Mercury-sized exoplanet". Nature. 494 (7438): 452–4. arXiv:1305.5587. Bibcode:2013Natur.494..452B. doi:10.1038/nature11914. ISSN 0028-0836. PMID 23426260. S2CID 205232792.
  2. ^ Bonomo, A. S.; Dumusque, X.; et al. (April 2023). "Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems". Astronomy & Astrophysics. arXiv:2304.05773. doi:10.1051/0004-6361/202346211. S2CID 258078829.
  3. Harwood, William. "Kepler telescope spots smallest exoplanet yet". Spaceflight Now Inc. Retrieved 25 February 2013.
  4. Black, Charles. "NASA's Kepler discovers small planet system". SEN TV LIMITED. Archived from the original on 23 February 2013. Retrieved 25 February 2013.
  5. Fraser Cain (16 September 2008). "How Old is the Sun?". Universe Today. Retrieved 19 February 2011.
  6. Fraser Cain (15 September 2008). "Temperature of the Sun". Universe Today. Retrieved 19 February 2011.
The Kepler-37 system
Stars
Planets
Exoplanets
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types
Terrestrial
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evolution
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2013 in space
Space probe launches Space probes launched in 2013
Space probes
Space observatories
  • IRIS (solar observation; Jun 2013)
  • Hisaki (ultraviolet observation; Sep 2013)
  • Gaia (astrometric observation; Dec 2013)


Impact events
Selected NEOs
Exoplanets Exoplanets discovered in 2013
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