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Kepler-93b is a Super-Earth exoplanet whose diameter is estimated to be around 18,800 km (11,700 miles). The discovery was announced in 2014.
| Discovery | |
|---|---|
| Discovered by | Geoffrey W. Marcy et al. [1] |
| Discovery date | February 2014 (announced)[1] |
| Transit method | |
| Designations | |
| KIC 3544595 b, KOI-69 b[2] | |
| Orbital characteristics | |
| 0.053±0.002[3] AU | |
| Eccentricity | 0 |
| 4.72673978±0.0000009 [4] d | |
| Inclination | 89.183±0.044[3] |
| Star | Kepler-93 |
| Physical characteristics | |
Mean radius | 1.478±0.019[4] R🜨 |
| Mass | 4.02±0.68[3] ME |
Mean density | 6.88±1.18 g/cm3[3] |
| Temperature | 1039±26 K[4] (equilibrium) |
Physical characteristics edit
The planet has a radius of around 1.478 R🜨 (9,416 km), with an uncertainty of just 0.019 R🜨 (121 km)[4], making it the most precise measurement of an exoplanet's radius ever made as of July 2014[5].
References edit
- ^ a b Marcy, Geoffrey W.; et al. (February 2014). "MASSES, RADII, AND ORBITS OF SMALL KEPLER PLANETS: THE TRANSITION FROM GASEOUS TO ROCKY PLANETS". The Astrophysical Journal. 210 (2). arXiv:1401.4195. Bibcode:2014ApJS..210...20M. doi:10.1088/0067-0049/210/2/20. S2CID 263794691. 124.
- ^ "The Extrasolar Planet Encyclopaedia — Kepler-93b". Extrasolar Planets Encyclopaedia. Retrieved 2024-05-04.
- ^ a b c d Dressing, Courtney D.; et al. (February 2015). "The Mass of Kepler-93b and The Composition of Terrestrial Planets". The Astrophysical Journal. 800 (2). arXiv:1412.8687. Bibcode:2015ApJ...800..135D. doi:10.1088/0004-637X/800/2/135. S2CID 53471038. 135.
- ^ a b c d Ballard, Sarah; et al. (July 2014). "Kepler-93b: A Terrestrial World Measured to within 120 km, and a Test Case for a New Spitzer Observing Mode". The Astrophysical Journal. 790 (1). arXiv:1405.3659. Bibcode:2014ApJ...790...12B. doi:10.1088/0004-637X/790/1/12. S2CID 12644226. 12.
- ^ "Gauging an Alien World's Size". NASA. 2014-07-22. Retrieved 2024-05-07.
Sources edit
- https://www.nasa.gov/jpl/spitzer/kepler/precise-measurement-alien-world-20140723
- https://exoplanets.nasa.gov/exoplanet-catalog/1309/kepler-93-b/
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