XO-5

XO-5 / Absolutno
Observation data
Epoch J2000      Equinox J2000
Constellation Lynx[1]
Right ascension 07h 46m 51.9615s[2]
Declination +39° 05′ 40.461″[2]
Apparent magnitude (V) 12.13 ± 0.03[3]
Characteristics
Spectral type G8V[3]
Apparent magnitude (V) 12.13 ± 0.03[3]
Apparent magnitude (R) 11.844[4]
Apparent magnitude (J) 10.774 ± 0.019[5]
Apparent magnitude (H) 10.443 ± 0.021[5]
Apparent magnitude (K) 10.345 ± 0.018[5]
Astrometry
Proper motion (μ) RA: −21.509(18) mas/yr[2]
Dec.: −23.910(13) mas/yr[2]
Parallax (π)3.6517 ± 0.0173 mas[2]
Distance893 ± 4 ly
(274 ± 1 pc)
Absolute magnitude (MV)5.06 ± 0.12[6]
Details
Mass0.88 ± 0.03[6] M
Radius1.08 ± 0.04[6] R
Luminosity0.88 ± 0.09[6] L
Surface gravity (log g)4.31 ± 0.03[6] cgs
Temperature5370 ± 70[6] K
Metallicity [Fe/H]+0.05 ± 0.06[6] dex
Age14.8 ± 2.0[6] Gyr
Other designations
Absolutno, GSC 02959-00729, UCAC2 45499774, 2MASS J07465196+3905404[7]
Database references
SIMBADdata

XO-5 is a yellow dwarf main sequence star located approximately 893 light-years away from Earth in the Lynx constellation. It has a magnitude of about 12 and cannot be seen with the naked eye but is visible through a small telescope.[3][6]

XO-5 has a suspected red dwarf companion with a temperature 3500+250
−150
K, on a wide orbit.[8]

  1. ^ Cite error: The named reference Roman1987 was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference Gaia DR3 was invoked but never defined (see the help page).
  3. ^ a b c d Cite error: The named reference Burke2008 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference UCAC3 was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference 2MASS was invoked but never defined (see the help page).
  6. ^ a b c d e f g h i Cite error: The named reference Pál2009 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  8. ^ Piskorz, Danielle; Knutson, Heather A.; Ngo, Henry; Muirhead, Philip S.; Batygin, Konstantin; Crepp, Justin R.; Hinkley, Sasha; Morton, Timothy D. (2015), "Friends of Hot Jupiters. III. An Infrared Spectroscopic Search for Low-Mass Stellar Companions", The Astrophysical Journal, 814 (2): 148, arXiv:1510.08062, Bibcode:2015ApJ...814..148P, doi:10.1088/0004-637X/814/2/148, S2CID 11525988

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