Chi Cancri

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χ Cancri
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cancer
Right ascension  08h 20m 03.86158s[1]
Declination +27° 13′ 03.7416″[1]
Apparent magnitude (V) 5.14[2]
Spectral type F6V[3]
U−B color index –0.06[2]
B−V color index +0.47[2]
Radial velocity (Rv)+32.91[4] km/s
Proper motion (μ) RA: –16.36[1] mas/yr
Dec.: –376.65[1] mas/yr
Parallax (π)54.73 ± 0.32[1] mas
Distance59.6 ± 0.3 ly
(18.3 ± 0.1 pc)
Absolute magnitude (MV)3.85[5]
Mass1.070[3] M
Radius1.3870 ± 0.0276[3] R
Luminosity2.4378 ± 0.0341[3] L
Surface gravity (log g)4.35[5] cgs
Temperature6,130 ± 58[3] K
Metallicity [Fe/H]−0.26[3] dex
Rotational velocity (v sin i)4.2[5] km/s
Age5.8[3] Gyr
Other designations
18 Cancri, BD+27°1589, FK5 1217, Gliese 303, HD 69897, HIP 40843, HR 3262, SAO 80104.
Database references

Chi Cancri (χ Cnc, χ Cancri) is a star in the constellation Cancer.

χ Cancri is a yellow-white F-type main sequence star with an apparent magnitude of +5.13. It is approximately 59.6 light years from Earth.


  1. ^ a b c d e van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357.
  2. ^ a b c Johnson, H. L.; et al. (1966). "UBVRIJKL photometry of the bright stars". Communications of the Lunar and Planetary Laboratory. 4 (99). Bibcode:1966CoLPL...4...99J.
  3. ^ a b c d e f g Boyajian, Tabetha S.; et al. (July 2013), "Stellar Diameters and Temperatures. III. Main-sequence A, F, G, and K Stars: Additional High-precision Measurements and Empirical Relations", The Astrophysical Journal, 771 (1): 40, arXiv:1306.2974, Bibcode:2013ApJ...771...40B, doi:10.1088/0004-637X/771/1/40.
  4. ^ Nidever, David L.; et al. (August 2002), "Radial Velocities for 889 Late-Type Stars", The Astrophysical Journal Supplement Series, 141 (2): 503–522, arXiv:astro-ph/0112477, Bibcode:2002ApJS..141..503N, doi:10.1086/340570.
  5. ^ a b c Paunzen, E.; et al. (July 2014), "Investigating the possible connection between λ Bootis stars and intermediate Population II type stars", Astronomy & Astrophysics, 567: 8, arXiv:1406.3936, Bibcode:2014A&A...567A..67P, doi:10.1051/0004-6361/201423817, A67.