| Observation data Epoch J2000 Equinox ICRS | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 20h 41m 18.27s |
| Declination | +48° 08′ 28.8″ |
| Apparent magnitude (V) | 7.70 |
| Characteristics | |
| Evolutionary stage | Asymptotic giant branch |
| Spectral type | C7,4eJ |
| Variable type | Mira |
| Astrometry | |
| Radial velocity (Rv) | 3 km/s |
| Proper motion (μ) | RA: -7.239 mas/yr Dec.: -13.582 mas/yr |
| Parallax (π) | 2.1819±0.1609 mas |
| Distance | 420 pc |
| Details | |
| Radius | 770 R☉ |
| Luminosity | 6,600 L☉ |
| Temperature | 1,875 K |
| Other designations | |
| V Cygni, Nova Cygni 1974, 2MASS J20411826+4808288, ASASSN-V J204118.25+480829.2, TIC 286094845, HIP 102082, IRAS 20396+4757, IRC +50338, Gaia DR3 2167591280437990656 | |
| Database references | |
| SIMBAD | data |
V Cygni (also known as Nova Cygni 1974) is a carbon star in the constellation Cygnus. It is a Mira variable with an apparent magnitude that varies between 7.7 and 13.9.