V473 Lyrae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Lyra |
| Right ascension | 19h 15m 59.48949s |
| Declination | +27° 55′ 34.6870″ |
| Apparent magnitude (V) | 5.99 – 6.35 |
| Characteristics | |
| Spectral type | F7 II |
| U−B color index | +0.272 – +0.392 |
| B−V color index | +0.554 – +0.750 |
| Variable type | δ Cep |
| Astrometry | |
| Proper motion (μ) | RA: 4.31±0.22 mas/yr Dec.: 0.63±0.34 mas/yr |
| Parallax (π) | 2.33±0.32 mas |
| Distance | 553 pc |
| Absolute magnitude (MV) | −2.5 |
| Details | |
| Mass | 3.0 – 4.6 M☉ |
| Radius | 24 R☉ |
| Luminosity | 740 L☉ |
| Surface gravity (log g) | 2.14 cgs |
| Temperature | 6,190 K |
| Metallicity [Fe/H] | −0.13 dex |
| Other designations | |
| BD+27°3314, V473 Lyrae, SAO 87008, HD 180583, HIP 94685, HR 7308 | |
| Database references | |
| SIMBAD | data |
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.