Chi 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] |
| Characteristics | |
| Spectral type | F6V[3] |
| U−B color index | –0.06[2] |
| B−V color index | +0.47[2] |
| Astrometry | |
| 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 |
| Distance | 59.6 ± 0.3 ly (18.3 ± 0.1 pc) |
| Absolute magnitude (MV) | 3.85[5] |
| Details | |
| Mass | 1.070[3] M☉ |
| Radius | 1.3870 ± 0.0276[3] R☉ |
| Luminosity | 2.4378 ± 0.0341[3] L☉ |
| Surface gravity (log g) | 4.35[5] cgs |
| Temperature | 6,130 ± 58[3] K |
| Metallicity [Fe/H] | −0.26[3] dex |
| Rotational velocity (v sin i) | 4.2[5] km/s |
| Age | 5.8[3] Gyr |
| Other designations | |
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.
References
- 1 2 3 4 5 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. - 1 2 3 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.
- 1 2 3 4 5 6 7 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.
- ↑ 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.
- 1 2 3 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.
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