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80 cancer

80 Cancer ( lat. 80 Cancri ) - a double star , which is located in the constellation Cancer at a distance of 470 light years. The main component, 80 of Cancer A , is a white hot Class A star whose luminosity is almost 32 times that of the Sun. The mass of the star is 2.6 times more massive than the Sun , the radius is 1.9 times greater than the solar. The surface temperature is hot up to 10,000 Kelvin. The system is very slowly moving away from the Earth, at a speed of 1 km / s.

80 cancer
Star
Observational data
( Age J2000.0)
Right ascension
Declination
Distance470 St. years (144.1 pc )
Visible magnitude ( V )6.86
ConstellationCrayfish
Astrometry
Radial velocity ( R v )+1 km / s
Own movement (μ)RA: -35.68 mas per year
Dec: -22.50 mas per year
Parallax (π)6.94 ± 0.92 mas
Absolute magnitude (V)+1.07
Specifications
Spectral classA0
physical characteristics
Weight2.6 M ☉
Radius1.9 R ☉
Temperature9950 ± 50 K
Luminosity31.9 L ☉
Metallicity[M / H] =?
Other designations
80 Cancri, 80 Cnc, AG + 18 946, BD + 18 2138, CCDM J09119 + 1803A, GSC 01404-01801, HD 79009, HIC 45153, HIP 45153, 2MASS J09115691 + 1802388, PPM 126201, SAO 98425
Database Information
SIMBAD

See also

  • Cancer constellation star list

Links

  • SIMBAD Astronomical Database
  • VizieR Star Catalog
Source - https://ru.wikipedia.org/w/index.php?title=80_Cancer&oldid=82953924


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Clever Geek | 2019