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]

The HD 106252 planetary system[6]

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	—	—

HD 106252

Observation data Epoch J2000      Equinox J2000
Constellation	Virgo
Right ascension	12^h 13^m 29.5093^s[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
BD+10° 2392, HIP 59610, LTT 13402, NLTT 30020, SAO 99998[2]
Database references
SIMBAD	data
Exoplanet Archive	data

See also

• List of extrasolar planets

References

1. 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.Gaia Data Release 1 catalog entry
2. "HD 106252". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-04-12.
3. 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.
4. "Exoplanets: The Hunt Continues!" (Press release). Garching, Germany: European Southern Observatory. April 4, 2001. Retrieved December 27, 2012.
5. 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.
6. 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.

External links