V473 Lyrae

V473 Lyrae
Location of V473 Lyrae (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Lyra
Right ascension 19h 15m 59.48949s[1]
Declination +27° 55′ 34.6870″[1]
Apparent magnitude (V) 5.99 - 6.35[2]
Characteristics
Spectral type F7 II[3]
U−B color index +0.272 - +0.392
B−V color index +0.554 - +0.750[4]
Variable type δ Cep[2]
Astrometry
Proper motion (μ) RA: 4.31 ± 0.22[1] mas/yr
Dec.: 0.63 ± 0.34[1] mas/yr
Parallax (π)2.33 ± 0.32 mas[1]
Distance553[5] pc
Absolute magnitude (MV)−2.5[6]
Details
Mass3.0 - 4.6[6] M☉
Radius24[6] R☉
Luminosity740[6] L☉
Surface gravity (log g)2.14[7] cgs
Temperature6,190[7] K
Metallicity [Fe/H]−0.13[7] dex
Other designations
BD+27° 3314, V473 Lyrae, SAO 87008, HD 180583, HIP 94685, HR 7308
Database references
SIMBADdata

V473 Lyrae is a variable star in the constellation Lyra. It is an unusual Classical Cepheid variable with a visual range of 5.99 to 6.35.

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