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Beta Canum Venaticorum

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Beta Canum Venaticorum
Observation data
Epoch J2000
Constellation Canes Venatici
Right ascension 12h 33m 44.5s
Declination +41° 21′ 27″
Apparent magnitude (V) 4.26
Characteristics
Spectral type G0 V
B-V color index 0.59
U-B color index 0.05
Variable type Suspected
Astrometry <tr valign=top><td>Radial velocity (Rv)</td><td>7 km/s</td></tr><tr valign=top><td>Proper motion (μ)</td><td> RA: -705.06 mas/yr
Dec.: 292.93 mas/yr </td></tr><tr valign=top><td>Parallax (π)</td><td>119.19 ± 0.78 mas</td></tr><tr valign=top><td>Distance</td><td>27.4 ± 0.2 ly
(8.39 ± 0.05 pc)</td></tr><tr valign=top><td>Absolute magnitude (MV)</td><td>4.65</td></tr>
Details
Mass 1.08 M
Radius 1.11 R
Luminosity 1.20 L
Temperature 5,747 K
Metallicity 59-120%
Rotation
Age 4 × 109 years
Other designations
Chara, Asterion, 8 CVn, Gl 475, HR 4785, BD +42°2321, HD 109358, LHS 2579, LTT 13552, GCTP 2895.00, SAO 44230, FK5 470, LFT 924, NSV 5725, HIP 61317.

Beta Canum Venaticorum (β CVn / β Canum Venaticorum) is a star in the constellation Canes Venatici.

β Canum Venaticorum is a yellow G-type main sequence dwarf with an apparent magnitude of +4.26. It has been called a solar twin.

[edit] Possibility of Life

In 2006, astronomer Margaret Turnbull labelled Beta CVn as the most likely nearby star to host an intelligent species capable of radio astronomy. [1]

[edit] External links

de:Asterion el:Χαρά (αστέρας)

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