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Pr0201 b[1] (also written Pr 0201 b)[2] is an exoplanet orbiting around the F-type main-sequence star Pr0201. Pr0201 b along with Pr0211 b are notable for being the first exoplanets discovered in the Beehive Cluster located in the constellation Cancer.[1][2] Since Pr0201 b has a mass of about half of Jupiter and an orbital period of about 4 days, it is likely a hot Jupiter. Its host star, Pr0201, is rotationally variable and has a rotation period of 5.63 days.[3]

Pr0201 b
Discovery
Discovered bySam Quinn
Discovery siteUniversity of Georgia
Discovery date2012
Detection method
Radial velocity
Orbital characteristics
Orbital period (sidereal)
4.4264 (± 0.007)[1] d
Time of periastron
2,455,992.861
StarPr0201
Physical characteristics
Mass0.54 (± 0.039)[1] MJ

    Discovery


    Pr0201 b and Pr 0211 b were discovered in 2012 by Sam Quinn[1][2][4] and his colleagues while observing 53 stars in the Beehive cluster using the 1.5 m (4.9 ft; 1.6 yd) telescope at the University of Georgia in the United States.[2]


    References


    1. "Notes on Pr 0201 b". Exoplanet.eu. Retrieved 2017-01-02.
    2. Fazekas, Andrew (2012-09-21). "New Planets Found in Star Cluster - Would Have Dazzling Nights". National Geographic News. National Geographic. Retrieved 2016-05-30.
    3. Kovács, Géza; Hartman, Joel D.; Bakos, Gáspár Á.; Quinn, Samuel N.; Penev, Kaloyan; Latham, David W.; Bhatti, Waqas; Csubry, Zoltán; De Val-Borro, Miguel (2014). "Stellar rotational periods in the planet hosting open cluster Praesepe". Monthly Notices of the Royal Astronomical Society. 442 (3): 2081. arXiv:1405.3728. Bibcode:2014MNRAS.442.2081K. doi:10.1093/mnras/stu946.
    4. Quinn, Samuel N.; White, Russel J.; Latham, David W.; Buchhave, Lars A.; Cantrell, Justin R.; Dahm, Scott E.; Fűrész, Gabor; Szentgyorgyi, Andrew H.; Geary, John C.; Torres, Guillermo; Bieryla, Allyson; Berlind, Perry; Calkins, Michael C.; Esquerdo, Gilbert A.; Stefanik, Robert P. (2012-08-22). "Two 'b's in the Beehive: The Discovery of the First Hot Jupiters in an Open Cluster". The Astrophysical Journal. The American Astronomical Society. 756 (2): L33. arXiv:1207.0818. Bibcode:2012ApJ...756L..33Q. doi:10.1088/2041-8205/756/2/L33. S2CID 118825401.

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