Caph, Beta Cassiopeiae

Caph is found at the top right of the "W"
Observation data
Epoch J2000      Equinox J2000
Constellation Cassiopeia
Right ascension 00
Declination +59° 08′ 59.2120″
Apparent magnitude (V) +2.28 (2.25–2.31)
Characteristics
Spectral type F2 III-IV
U−B color index 0.11
B−V color index 0.34
Variable type Delta Scuti
Astrometry
Radial velocity (Rv) 11.3 km/s
Proper motion (μ) RA: 523.50 mas/yr
Parallax (π) 59.58 ± 0.38mas
Distance 54.7 ± 0.3 ly
(16.8 ± 0.1 pc)
Absolute magnitude (MV) +1.16
Details
Mass 1.91 ± 0.02M
Radius 3.43–3.69R
Luminosity 27.3L
Surface gravity (log g) 3.40
Temperature 7,079K
Metallicity [Fe/H] 0.03dex
Rotational velocity (v sin i) 71.0 km/s
Age 1.09–1.18Gyr
Other designations
Caph, Chaph, Kaff, Al Sanam al Nakah,

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This article uses material from the Wikipedia article
Caph, which is released under the Creative Commons Attribution-Share-Alike License 3.0