Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Puppis |
Right ascension | 07h 36m 41.03388s [2] |
Declination | −19° 42′ 08.4211″ [2] |
Apparent magnitude (V) | 5.720–5.740 [3] |
Characteristics | |
Spectral type | B2 II |
Variable type | Beta Cephei |
Astrometry | |
Radial velocity (Rv) | +22.00 ± 4.3 km/s |
Proper motion (μ) |
RA: −7.86 ± 0.21
[2]
mas/
yr Dec.: 5.81 ± 0.20 [2] mas/ yr |
Parallax (π) | 1.93 ± 0.28 mas [2] |
Distance | approx. 1,700
ly (approx. 520 pc) |
Details | |
Mass | 7.94 [4] M☉ |
Luminosity | 6405 [4] L☉ |
Temperature | 19400 [4] K |
Other designations | |
Database references | |
SIMBAD | data |
PT Puppis (PT Pup) is a star in the constellation Puppis. Anamarija Stankov confirmed this star as a Beta Cephei variable. [5] Analysis of its spectrum and allowing for extinction gives a mass 7.94 times that of the Sun, a surface temperature of 19,400 K and luminosity of 6405 Suns. [4]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Puppis |
Right ascension | 07h 36m 41.03388s [2] |
Declination | −19° 42′ 08.4211″ [2] |
Apparent magnitude (V) | 5.720–5.740 [3] |
Characteristics | |
Spectral type | B2 II |
Variable type | Beta Cephei |
Astrometry | |
Radial velocity (Rv) | +22.00 ± 4.3 km/s |
Proper motion (μ) |
RA: −7.86 ± 0.21
[2]
mas/
yr Dec.: 5.81 ± 0.20 [2] mas/ yr |
Parallax (π) | 1.93 ± 0.28 mas [2] |
Distance | approx. 1,700
ly (approx. 520 pc) |
Details | |
Mass | 7.94 [4] M☉ |
Luminosity | 6405 [4] L☉ |
Temperature | 19400 [4] K |
Other designations | |
Database references | |
SIMBAD | data |
PT Puppis (PT Pup) is a star in the constellation Puppis. Anamarija Stankov confirmed this star as a Beta Cephei variable. [5] Analysis of its spectrum and allowing for extinction gives a mass 7.94 times that of the Sun, a surface temperature of 19,400 K and luminosity of 6405 Suns. [4]