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HD 222582

<tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Astrometry</th></tr></th></tr><tr><th colspan="2" style="text-align: center"></tr><tr style="vertical-align:top;"><td>Radial velocity (Rv)</td><td>11.5 ± 0.2 km/s</td></tr><tr style="vertical-align:top;"><td>Proper motion (μ)</td><td> RA: -144.88 ± 0.88[1] mas/yr
Dec.: -111.93 ± 0.56[1] mas/yr </td></tr><tr style="vertical-align:top;"><td>Parallax (π)</td><td>23.94 ± 0.74[1]mas</td></tr><tr style="vertical-align:top;"><td>Distance</td><td>136 ± 4 ly
(42 ± 1 pc)</td></tr><tr style="vertical-align:top;"><td>Absolute magnitude (MV)</td><td>4.44 ± 0.12[2]</td></tr><tr><th colspan="2" style="text-align: center"></th></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Details</th></tr></th></tr><tr><th colspan="2" style="text-align: center"></th></tr><tr style="vertical-align:baseline;"><td>Mass</td><td>1.00[2] M</td></tr><tr style="vertical-align:baseline;"><td>Radius</td><td>1.16 ± 0.07[2] R</td></tr><tr style="vertical-align:baseline;"><td>Luminosity</td><td>1.2 L</td></tr><tr style="vertical-align:baseline;"><td>Surface gravity (log g)</td><td>4.34 ± 0.10[2] cgs</td></tr><tr style="vertical-align:baseline;"><td>Temperature</td><td>5776 ± 70[2] K</td></tr><tr style="vertical-align:baseline;"><td>Metallicity [Fe/H]</td><td>-0.01 ± 0.07[2] dex</td></tr><tr style="vertical-align:baseline;"><td>Rotational velocity (v sin i)</td><td>1.5 ± 1.0[2] km/s</td></tr><tr style="vertical-align:baseline;"><td>Age</td><td>6.16 Gyr</td></tr><tr><th colspan="2" style="text-align: center"></th></tr> <tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Other designations</th></tr><tr><td colspan="2">
BD-06° 6262, GC 32912, HD 222582, HIP 116906, NLTT 57682, SPOCS 1030, SAO 146849.
</td></tr>

<tr><th style="background-color: #FFFFC0; text-align: center;" colspan="2">Database references</th></tr><tr style="vertical-align: top;"><td>SIMBAD</td><td>data</tr>

HD 222582
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 23h 41m 51.53s[1]
Declination –05° 59′ 08.7″[1]
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This page is a soft redirect. Apparent magnitude (V)

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This page is a soft redirect. 7.685 ± 0.005[2]

Characteristics
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This page is a soft redirect. Spectral type

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This page is a soft redirect. G5

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This page is a soft redirect. B−V color index

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This page is a soft redirect. 0.648

Planet
HD 222582 b Data Simbad
Data ExoPlanet
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.) </div>

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 MJ 1.35 572 0.76
c (unconfirmed) >0.0513 MJ 0.12 15.144 0.5632

See also

References

  1. ^ a b c d e van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. Bibcode:2007A&A...474..653V. arXiv:0708.1752. doi:10.1051/0004-6361:20078357.  Vizier catalog entry
  2. ^ a b c d e f g h Fuhrmann, Klaus (February 2008), "Nearby stars of the Galactic disc and halo - IV", Monthly Notices of the Royal Astronomical Society 384 (1): 173–224, Bibcode:2008MNRAS.384..173F, doi:10.1111/j.1365-2966.2007.12671.x 

External links

Coordinates: Sky map 23h 41m 51.5299s, −05° 59′ 08.726″


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