planets.encyclopedia_link: http://exoplanet.eu/catalog/xo-4_b/
planets.reference_link: <a href=http://adsabs.harvard.edu/abs/2010PASJ...62L..61N target=ref> Narita et al. 2010 </a>
planets.explorer_link: http://exoplanets.org/detail/XO-4_b
planets.discovery_method: Transit
planets.letter: b
planets.instrument: Apogee CCD Array
planets.link: <a href=http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2008arXiv0805.2921M target=ref> McCullogh et al. 2008 </a>
planets.telescope: Canon 200mm f/1.8L
planets.facility: XO
planets.locale: Ground
planets.publication_date: 2008-05
planets.name: XO-4 b
planets.timesystem_reference: BJD-TDB
planets.provenance: Mass
name: XO-4