Observation data Epoch J2000 Equinox J2000 |
|
---|---|
Constellation | Pavo |
Right ascension | 18h 31m 22.42509s |
Declination | −62° 16′ 41.8853″ |
Apparent magnitude (V) | 4.64(4.60 - 4.64) |
Characteristics | |
Spectral type | B7III |
U−B color index | -0.39 |
B−V color index | -0.11 |
Variable type | SPB |
Astrometry | |
Radial velocity (Rv) | +16.95 km/s |
Proper motion (μ) |
RA: -1.11 mas/yr Dec.: -45.31 mas/yr |
Parallax (π) | 7.43 ± 0.24mas |
Distance | 440 ± 10 ly (135 ± 4 pc) |
Absolute magnitude (MV) | -1.01 |
Details | |
Mass | 4.39 M☉ |
Luminosity | 659 L☉ |
Temperature | 12,764 K |
Rotational velocity (v sin i) | 125.0 km/s |
Other designations | |
Database references | |
SIMBAD | data |
Nu Pavonis (ν Pav) is a slowly pulsating B-type star of class B7III (blue giant) in the constellation Pavo. Its apparent magnitude varies from 4.60 to 4.64 over a period of 0.85584 days and it is approximately 439 light years away based on parallax. It has one reported companion, probably a pre-main-sequence star, at magnitude 13.7 and separation 3.1", estimated at 0.15 solar masses and an effective temperature of 3,192 K.