Beta Corvi

β Corvi
Location of β Corvi (circled in red)
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Corvus
Right ascension 12h 34m 23.23484s[1]
Declination −23° 23′ 48.3374″[1]
Apparent magnitude (V) 2.647[2]
Characteristics
Spectral type G5 II[3]
U−B color index +0.586[2]
B−V color index +0.898[2]
R−I color index +0.44[4]
Astrometry
Radial velocity (Rv)−7.34±0.08 [5] km/s
Proper motion (μ) RA: +1.11[1] mas/yr
Dec.: −56.56[1] mas/yr
Parallax (π)22.39 ± 0.18 mas[1]
Distance146 ± 1 ly
(44.7 ± 0.4 pc)
Absolute magnitude (MV)−0.651±0.033[6]
Details
Mass3.32±0.06[5] M☉
Radius15.84±0.72[7] R☉
Luminosity175+13
−12[6] L☉
Surface gravity (log g)2.86±0.06[7] cgs
Temperature5325±28[6] K
Metallicity [Fe/H]0.14±0.02[6] dex
Rotational velocity (v sin i)2.58±0.55[5] km/s
Age280±10[5] Myr
Other designations
Kraz, β Crv, Beta Corvi, Beta Crv, 9 Corvi, 9 Crv, BD−22 3401, CD−22 3401, −22 9505, CPD−22 5388, FK5 471, GC 17133, HD 109379, HIP 61359, HR 4786, SAO 180915, PPM 260512[4][8]
Database references
SIMBADdata

Beta Corvi or β Corvi, officially named Kraz (/ˈkræz/),[9] is the second-brightest star in the southern constellation of Corvus with an apparent visual magnitude of 2.647.[2] Based on parallax measurements obtained during the Hipparcos mission, it is about 146 light-years (45 parsecs) distant from the Sun.[1]

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  2. ^ a b c d Cite error: The named reference sps1966 was invoked but never defined (see the help page).
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  4. ^ a b Cite error: The named reference bsc2 was invoked but never defined (see the help page).
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  7. ^ a b Cite error: The named reference Gomes2021 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference sb0 was invoked but never defined (see the help page).
  9. ^ "Naming Stars". IAU.org. Retrieved 18 June 2018.