XO-3b
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Exoplanet XO-3b |
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| Size comparison with Jupiter | |
| Constellation | giraffe |
| Position equinox : J2000.0 |
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| Right ascension | 04h 21m 52.7053s |
| declination | + 57 ° 49 ′ 01.868 ″ |
| Orbit data | |
| Central star | XO-3 |
| Major semi-axis | 0.0454 (± 0.00082) AU |
| eccentricity | 0.26 (± 0.017) |
| Period of circulation | 3.19152 (± 0.00023) d |
| Further data | |
| radius | 1.217 (± 0.073) R J |
| Dimensions | 11.79 (± 0.59) M J |
| distance | (200) pc |
| Orbit inclination | 84.2 (± 0.54) deg |
| Discovery method | Transit method |
| history | |
| discovery | Christopher M. Johns-Krull |
| Date of discovery | 2007 |
XO-3b is an exoplanet that orbits the star XO-3 every 3.19 days . Due to its high mass , it is assumed that it is a gas planet .
discovery
The planet was discovered by Christopher M. Johns-Krull et al. discovered in 2007 using the transit method .
Circulation and mass
The planet orbits its star at a distance of approx. 0.05 astronomical units and has a mass of approx. 3800 earth masses or 12 Jupiter masses. Its radius is estimated to be 85,000 kilometers.
See also
Web links
Commons : XO-3 b - collection of images, videos and audio files
Individual evidence
- ↑ Simbad
- ↑ a b c d e Encyclopedia of the Extrasolar Planets
- ↑ Christopher M. Johns-Krull et al: XO-3b: A Massive Planet in an Eccentric Orbit Transiting an F5V Star . In: The Astrophysical Journal . 677, No. 1, 2008, pp. 657-670. arxiv : 0712.4283 . doi : 10.1086 / 528950 .