BD+43 3654
BD+43 3654 is a massive luminous blue supergiant runaway star in the constellation Cygnus.
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 20h 33m 36.079s |
| Declination | +43° 59′ 07.38″ |
| Apparent magnitude (V) | 10.06 |
| Characteristics | |
| Spectral type | O4If |
| Apparent magnitude (B) | 11.245 |
| Apparent magnitude (J) | 6.636 |
| Apparent magnitude (H) | 6.198 |
| Apparent magnitude (K) | 5.973 |
| Astrometry | |
| Proper motion (μ) | RA: 0.5 ± 1.3 mas/yr Dec.: 2.0 ± 1.3 mas/yr |
| Parallax (π) | 0.6057 ± 0.0304 mas |
| Distance | 5,400 ± 300 ly (1,650 ± 80 pc) |
| Absolute magnitude (MV) | −6.27 |
| Details | |
| Mass | 64.6 M☉ |
| Radius | 18.8 R☉ |
| Luminosity (bolometric) | 850,000 L☉ |
| Temperature | 40,422 K |
| Age | 2.0 Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
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