Observation data Equinox J2000.0]] (ICRS) | |
---|---|
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[2] mas |
Distance | approx. 1,700 ly (approx. 520 pc) |
Details | |
Mass | 7.94[4] M☉ |
Luminosity | 6405[4] L☉ |
Temperature | 19400[4] K |
Other designations | |
PT Puppis, HR 2928, HD 61068, HIP 37036, SAO 153149 | |
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]
Original source: https://en.wikipedia.org/wiki/PT Puppis.
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