XO-2b
Sign in to saveAlso known as BD+50 1471b, TOI-1720b, TOI-1720.01, TIC 356473034b, TIC 356473034.01
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.
Astronomical data · SIMBAD
- Object type
- Pl
- Distance
- 490 light-years
- Coordinates
- RA 117.0270° · Dec 50.2258°
via SIMBAD · CDS Strasbourg
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
Wikidata facts
- Constellation
- Lynx
- Radius
- 0.973
- Mass
- 0.62
- Orbital period
- 2.615859462
- Image
- XO-2b.jpg
Show 15 more facts
- catalog code
- TIC 356473034.01
- Commons category
- XO-2 b
- time of discovery or invention
- 2007-12-00
- right ascension
- 117.02696793907336
- declination
- 50.22581127747862
- epoch
- J2000.0
- discovery method
- transit method
- orbital inclination
- 88.7
- semi-major axis of an orbit
- 0.0369
- orbital eccentricity
- 0.028
- angular distance
- 0.000248
- right ascension component of proper motion
- -29.552
- declination component of proper motion
- -154.227
- parallax
- 6.6588
- argument of periapsis
- 261
Sources (2)
via Wikidata · CC0
~1 min read
Encyclopedic overview
3 sectionsContents
- See also
- References
- External links
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.
Excerpted from Wikipedia’s “XO-2b” article, available under the CC BY-SA 4.0 licence.