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Catalog of Nearby Exoplanets
We present a catalog of nearby exoplanets. It contains the 172 knownlow-mass companions with orbits established through radial velocity andtransit measurements around stars within 200 pc. We include fivepreviously unpublished exoplanets orbiting the stars HD 11964, HD 66428,HD 99109, HD 107148, and HD 164922. We update orbits for 83 additionalexoplanets, including many whose orbits have not been revised sincetheir announcement, and include radial velocity time series from theLick, Keck, and Anglo-Australian Observatory planet searches. Both thesenew and previously published velocities are more precise here due toimprovements in our data reduction pipeline, which we applied toarchival spectra. We present a brief summary of the global properties ofthe known exoplanets, including their distributions of orbital semimajoraxis, minimum mass, and orbital eccentricity.Based on observations obtained at the W. M. Keck Observatory, which isoperated jointly by the University of California and the CaliforniaInstitute of Technology. The Keck Observatory was made possible by thegenerous financial support of the W. M. Keck Foundation.
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Osservazione e dati astrometrici
| Costellazione: | Ariete |
| Ascensione retta: | 03h11m14.23s |
| Declinazione: | +21°05'50.5" |
| Magnitudine apparente: | 8.508 |
| Distanza: | 52.882 parsec |
| Moto proprio RA: | -3.4 |
| Moto proprio Dec: | -52.3 |
| B-T magnitude: | 9.436 |
| V-T magnitude: | 8.585 |
Cataloghi e designazioni:
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