V473 Lyrae
Star in the constellation Lyra / From Wikipedia, the free encyclopedia
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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.
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
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] |
Distance | 553[5] pc |
Absolute magnitude (MV) | −2.5[6] |
Details | |
Mass | 3.0 - 4.6[6] M☉ |
Radius | 24[6] R☉ |
Luminosity | 740[6] L☉ |
Surface gravity (log g) | 2.14[7] cgs |
Temperature | 6,190[7] K |
Metallicity [Fe/H] | −0.13[7] dex |
Other designations | |
Database references | |
SIMBAD | data |
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