HD 106252
HD 106252 is a yellow dwarf star in the constellation Virgo located at a distance of 123 ly or 38 pc away from Earth. In 2001, a massive planet was announced orbiting the star by the European Southern Observatory.[4][5] The discovery was confirmed by a different team using the Lick Telescope[3]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | >7.10 ± 0.65 MJ | 2.60 ± 0.15 | 1516 ± 26 | 0.586 ± 0.065 | — | — |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Virgo |
| Right ascension | 12h 13m 29.5093s[1] |
| Declination | +10° 02′ 29.892″[1] |
| Apparent magnitude (V) | 7.36[2] |
| Characteristics | |
| Spectral type | G0V[3] |
| B−V color index | 0.635[3] |
| Astrometry | |
| Proper motion (μ) | RA: 23.606±0.044[1] mas/yr Dec.: −280.195±0.025[1] mas/yr |
| Parallax (π) | 26.46 ± 0.34[1] mas |
| Distance | 123 ± 2 ly (37.8 ± 0.5 pc) |
| Details[3] | |
| Mass | 0.96 M☉ |
| Radius | 1.096 R☉ |
| Temperature | 5753 K |
| Metallicity [Fe/H] | −0.078 dex |
| Rotation | 22.8 days |
| Rotational velocity (v sin i) | 2.9 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
See also
- List of extrasolar planets
References
- Brown, A. G. A; et al. (2016). "Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties". Astronomy and Astrophysics. 595. A2. arXiv:1609.04172. Bibcode:2016A&A...595A...2G. doi:10.1051/0004-6361/201629512. S2CID 1828208.Gaia Data Release 1 catalog entry
- "HD 106252". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-04-12.
- Fischer, Debra A.; et al. (2002). "Planetary Companions to HD 136118, HD 50554, and HD 106252". Publications of the Astronomical Society of the Pacific. 114 (795): 529–535. Bibcode:2002PASP..114..529F. doi:10.1086/341677.
- "Exoplanets: The Hunt Continues!" (Press release). Garching, Germany: European Southern Observatory. April 4, 2001. Retrieved December 27, 2012.
- Perrier, C.; et al. (2003). "The ELODIE survey for northern extra-solar planets. I. Six new extra-solar planet candidates". Astronomy and Astrophysics. 410 (3): 1039–1049. arXiv:astro-ph/0308281. Bibcode:2003A&A...410.1039P. doi:10.1051/0004-6361:20031340. S2CID 6946291.
- Butler, R. P.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal. 646 (1): 505–522. arXiv:astro-ph/0607493. Bibcode:2006ApJ...646..505B. doi:10.1086/504701. S2CID 119067572.
External links
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