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: (18 Delphini b, xi Aql b, and 41 Lyncis b), around intermediate-mass G and K giants 18 Delphini, Xi Aquilae, and HD 81688. Also, it updated the orbital parameters of HD 104985 b, 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
[edit]| 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
[edit]- Okayama Astrophysical Observatory, Kurashiki in Japan
References
[edit]- Sato, Bun'ei; et al. (2008). "Planetary Companions to Evolved Intermediate-Mass Stars: 14 Andromedae, 81 Ceti, 6 Lyncis, and HD167042". Publications of the Astronomical Society of Japan. 60 (6): 1317–1326. arXiv:0807.0268. Bibcode:2008PASJ...60.1317S. doi:10.1093/pasj/60.6.1317. S2CID 67841762.
- "Okayama Astrophysical Observatory Homepage". oao.nao.ac.jp. Retrieved 2008-10-11.
- "Planetary Companions around Three Intermediate-Mass G and K Giants: 18 Delphini, Xi Aquilae, and HD81688" (PDF). www.oao.nao.ac.jp. Retrieved 2008-10-11.
- "telescope". oao.nao.ac.jp. Retrieved 2008-10-11.
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