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XO-3

This article is about the star. For the computer from the 'One Laptop Per Child' initiative, see OLPC XO-3.
XO-3
Observation data
Epoch J2000      Equinox J2000
Constellation Camelopardalis[1]
Right ascension 04h 21m 52.7048s[2]
Declination +57° 49′ 01.889″[2]
Apparent magnitude (V) 9.80 ± 0.03[3]
Characteristics
Spectral type F5V[3]
Apparent magnitude (B) 10.25 ± 0.03[3]
Apparent magnitude (V) 9.80 ± 0.03[3]
Apparent magnitude (J) 9.013 ± 0.029[4]
Apparent magnitude (H) 8.845 ± 0.018[4]
Apparent magnitude (K) 8.791 ± 0.019[4]
Astrometry
Proper motion (μ) RA: −2.721(27) mas/yr[2]
Dec.: 4.186(23) mas/yr[2]
Parallax (π)4.8687 ± 0.0261 mas[2]
Distance670 ± 4 ly
(205 ± 1 pc)
Details
Mass1.213 ± 0.066[5] M☉
Radius1.377 ± 0.083[5] R☉
Luminosity2.92+0.59
−0.48[5] L☉
Surface gravity (log g)4.244 ± 0.041[5] cgs
Temperature6429 ± 100[5] K
Metallicity [Fe/H]–0.177 ± 0.08[5] dex
Age2.82+0.58
−0.82[5] Gyr
Other designations
TYC 3727-1064-1, GSC 03727-01064, 2MASS J04215269+5749018[6]
Database references
SIMBADdata

XO-3 is a star in the constellation Camelopardalis. The star has a magnitude of 10 and is not visible to the naked eye but is visible through a small telescope.[3] A search for a binary companion star using adaptive optics at the MMT Observatory was negative.[7]

  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 e Cite error: The named reference Krull2008 was invoked but never defined (see the help page).
  4. ^ a b c Cite error: The named reference 2MASS was invoked but never defined (see the help page).
  5. ^ a b c d e f g Cite error: The named reference Winn2008 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Adams2013 was invoked but never defined (see the help page).

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