Date of the discovery: September 2006

Short Description: XO-1b is a transiting hot Jupiter discovered by professional and amateur astronomers. It was only the tenth discovered exoplanet using the transiting method.

Amateur Astronomer(s): Vanmunster, T., Bissinger, R., Gary, B. L., Howell, P. J.

Researchers in the discovery paper: McCullough, P. R.; Stys, J. E.; Valenti, Jeff A.; Johns-Krull, C. M.; Janes, K. A.; Heasley, J. N.; Bye, B. A.; Dodd, C.; Fleming, S. W.; Pinnick, A.;

Link to paper in ADS: https://ui.adsabs.harvard.edu/abs/2006ApJ…648.1228M/abstract

XO-1b in the exoplanet archive: https://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=XO-1%20b&type=CONFIRMED_PLANET

Telescopes involved: XO Telescope, McDonald Observatory

Figrue 4 of the paper, showing a transit:
Other pages:

Hubblesite: https://hubblesite.org/contents/news-releases/2006/news-2006-22.html

Credit for the header image: NASA, ESA and G. Bacon (STScI)

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