Okayama Planet Search Program
Okayama Planet Search Program
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Okayama Planet Search Program

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The Okayama Planet Search Program (OPSP) was started in 2001 with the goal of spectroscopically searching for planetary systems around stars. It reported on the detection of 3 new extrasolar planets: (Arion, Fortitudo, and Arkas), around intermediate-mass G and K giants Musica, Libertas, and Intercrus. Also, it updated the orbital parameters of Meztli, the first planet discovered around the G giants from the survey, by using the data collected during the past six years. Since 2001, it has been conducting a precise Doppler survey of about 300 G and K giants using a 1.88m telescope, the High Dispersion Echelle Spectrograph (HIDES), and an iodine absorption cell I2 cell at the Okayama Astrophysical Observatory (OAO).

Discoveries

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Planets discovered
Name Mass (MJ) Discovery date
Arion 10.3 2008
Fortitudo 2.8 2008
Arkas 2.7 2008
81 Ceti b 5.3 2008
Spe 4.8 2008
6 Lyncis b 2.01 2008

Observatory

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References

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