HD 222582

HD 222582
Observation data; Epoch J2000 Equinox J2000
Constellation	Aquarius
Right ascension	23h 41m 51.53s
Declination	–05° 59′ 08.7″
Apparent magnitude (V)	7.685 ± 0.005
Characteristics
Spectral type	G5
B−V color index	0.648
Astrometry
Radial velocity (Rv)	11.5 ± 0.2 km/s
Proper motion (μ)	RA: -144.88 ± 0.88 mas/yr; Dec.: -111.93 ± 0.56 mas/yr
Parallax (π)	23.94 ± 0.74 mas
Distance	136 ± 4 ly; (42 ± 1 pc)
Absolute magnitude (MV)	4.44 ± 0.12
Details
Mass	1.00 M☉
Radius	1.16 ± 0.07 R☉
Luminosity	1.2 L☉
Surface gravity (log g)	4.34 ± 0.10 cgs
Temperature	5776 ± 70 K
Metallicity [Fe/H]	-0.01 ± 0.07 dex
Rotational velocity (v sin i)	1.5 ± 1.0 km/s
Age	6.16 Gyr
Other designations
	BD-06° 6262, GC 32912, HD 222582, HIP 116906, NLTT 57682, SPOCS 1030, SAO 146849.
Database references
SIMBAD	data
	Planet
HD 222582 b	Data Simbad
	Data ExoPlanet
	Data sources:
	Hipparcos Catalogue,; CCDM (2002),; Bright Star Catalogue (5th rev. ed.)

HD 222582 is a magnitude 7.7 star approximately 136 light-years away in the constellation of Aquarius. In 1999, a dense superjovian planet was announced orbiting the star by Steven Vogt. There is a red dwarf companion in a wide orbit.

The HD 222582 planetary system
Companion (in order from star)	Mass	Semimajor axis (AU)	Orbital period (days)	Eccentricity	Inclination	Radius
b	>7.75 M_J	1.35	572	0.76	—	—
c (unconfirmed)	>0.0513 M_J	0.12	15.144	0.5632	—	—

References

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↑ ^2.0 ^2.1 ^2.2 ^2.3 ^2.4 ^2.5 ^2.6 ^2.7 Lua error in package.lua at line 80: module 'strict' not found.

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Observation data Epoch J2000 Equinox J2000
Constellation	Aquarius
Right ascension	23^h 41^m 51.53^s^[1]
Declination	–05° 59′ 08.7″^[1]
Apparent magnitude (V)	7.685 ± 0.005^[2]
Characteristics
Spectral type	G5
B−V color index	0.648
Astrometry

Radial velocity (R_v)	11.5 ± 0.2 km/s
Proper motion (μ)	RA: -144.88 ± 0.88^[1] mas/yr Dec.: -111.93 ± 0.56^[1] mas/yr
Parallax (π)	23.94 ± 0.74^[1] mas
Distance	136 ± 4 ly (42 ± 1 pc)
Absolute magnitude (M_V)	4.44 ± 0.12^[2]

Details

Mass	1.00^[2] M_☉
Radius	1.16 ± 0.07^[2] R_☉
Luminosity	1.2 L_☉
Surface gravity (log g)	4.34 ± 0.10^[2] cgs
Temperature	5776 ± 70^[2] K
Metallicity [Fe/H]	-0.01 ± 0.07^[2] dex
Rotational velocity (v sin i)	1.5 ± 1.0^[2] km/s
Age	6.16 Gyr

Other designations
BD-06° 6262, GC 32912, HD 222582, HIP 116906, NLTT 57682, SPOCS 1030, SAO 146849.
Database references
SIMBAD	data
Planet
HD 222582 b	Data Simbad
	Data ExoPlanet
Data sources:
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.)