Kepler-453b
Exoplanet | List of exoplanets
| |||||
---|---|---|---|---|---|---|
Parent star | ||||||
Star | Kepler-453 | |||||
Constellation | Lyra[1] | |||||
Right ascension | (α) | 18h 52m 57.91s[2] | ||||
Declination | (δ) | +46° 22′ 42.5″[2] | ||||
Mass | (m) | 0.944±0.010[2] M☉ | ||||
Radius | (r) | 0.833±0.011[2] R☉ | ||||
Temperature | (T) | 5527±100[2] K | ||||
Metallicity | [Fe/H] | 0.090±0.100[2] | ||||
Age | <2.49±0.38[2] Gyr | |||||
Physical characteristics | ||||||
Mass | (m) | 0.1±16[2] M⊕ | ||||
Radius | (r) | 6.204±0.039[2] R⊕ | ||||
Orbital elements | ||||||
Semi-major axis | (a) | 0.7903±0.0028[2] AU | ||||
Eccentricity | (e) | 0.0359±0.0088[2] | ||||
Orbital period | (P) | 240.503±0.053[2] d | ||||
Inclination | (i) | 89.4429±0.0091 [2]° | ||||
Discovery information | ||||||
Discovery date | 2015 | |||||
Discoverer(s) | ||||||
Discovery method | Transit | |||||
Discovery site | Kepler Space Observatory | |||||
Discovery status | Confirmed[3] |
Kepler-453b is a transiting circumbinary exoplanet in the binary-star system Kepler-453. It orbits the binary system in the habitable zone every 240.5 days. It also may have a relatively low density. This is due to its mass likely being less than 32 Earth masses.[2][3] The orbit of the planet is inclined relative to the binary orbit therefore precession of the orbit leads to it spending most of its time in a non-transiting configuration. By the time the TESS and PLATO spacecraft are available for follow up observations it will no longer be transiting.[4]
References
- ↑ Roman, Nancy G. (1987). "Identification of a Constellation From a Position". Publications of the Astronomical Society of the Pacific. 99 (617): 695–699. Bibcode:1987PASP...99..695R. doi:10.1086/132034. Vizier query form
- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 "Kepler-453 b Confirmed Planet Overview Page". NASA Exoplanet Archive. Retrieved 2015-10-08.
- 1 2 Welsh, William F.; et al. (2015). "Kepler 453 b - The 10th Kepler Transiting Circumbinary Planet". The Astrophysical Journal. 809 (1). 26. arXiv:1409.1605. Bibcode:2015ApJ...809...26W. doi:10.1088/0004-637X/809/1/26.
- ↑ Martin, David V. (2017). "Circumbinary planets - II. When transits come and go". Monthly Notices of the Royal Astronomical Society. 465 (3): 3235–3253. arXiv:1611.00526. Bibcode:2017MNRAS.465.3235M. doi:10.1093/mnras/stw2851.
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