XO-2b
Sign in to saveXO-2Nb (or rarely XO-2Bb) is an extrasolar planet orbiting the star XO-2N, the fainter component of XO-2 wide binary star in the constellation Lynx. This planet was found by the transit method in 2007 by Burke et al. This was the second such planet found by the XO telescope.
Key facts
- Planet.name
- XO-2Nb (XO-2Bb)
- Planet.image
- Exoplanet Comparison XO-2 b.png
- Planet.caption
- Size comparison of XO-2 b (gray) with Jupiter.
- Planet.discoverer
- Burke et al.
- Planet.discovered
- 2007
- Planet.discovery_method
- Transit (including secondary eclipse)
- Planet.apsis
- astron
- Planet.eccentricity
- 0
- Planet.period
- 2.61586178 ± 0.00000075 d
- Planet.inclination
- 87.62 ± 0.51
- Planet.time_periastron
- 2454147.74902 ± 0.00002
- Planet.arg_peri
- ?
- Planet.semi amplitude
- 80.2
- Planet.star
- XO-2N (XO-2B)
- Planet.mean_radius
- 0.973 ± 0.03
- Planet.mass
- 0.57 ± 0.06
via Wikipedia infobox
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XO-2Nb (or rarely XO-2Bb) is an extrasolar planet orbiting the star XO-2N, the fainter component of XO-2 wide binary star in the constellation Lynx. This planet was found by the transit method in 2007 by Burke et al. This was the second such planet found by the XO telescope.
thumb|left|275px|The radial velocity of XO-2 over time, caused by the presence of XO-2 b.