Magnitude 10.78 Apparent magnitude (B) 11.240 ± 0.029 | ||
Distance 956 ± 62 ly; (293 ± 19 pc) Similar XO‑3, XO‑4b, Alpha Lyncis, XO‑3b, WASP‑1 | ||
XO-4 is a star located approximately 960 light-years away from Earth in the Lynx constellation. It has a magnitude of about 11 and cannot be seen with the naked eye but is visible through a small telescope. A search for a binary companion star using adaptive optics at One Laptop per Child (OLPC) is a non-profit initiative MMT Observatory was negative.
Planetary system
One known exoplanet, XO-4b, which is classified as a hot jupiter, orbits XO-4. This exoplanet was discovered in 2008 by the XO Telescope project using the transit method.
References
XO-4 Wikipedia(Text) CC BY-SA