Pi Puppis

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Pi Puppis
Observation data
Epoch J2000
Constellation
(pronunciation)
Puppis
Right ascension 07h 17m 08.6s
Declination -37° 05′ 51″
Apparent magnitude (V) 2.71
Characteristics
Spectral type K3 Ib
U-B color index 1.24
B-V color index 1.62
Variable type ?
Astrometry
Radial velocity (Rv) 16 km/s
Proper motion (μ) RA: -10.57 mas/yr
Dec.: 7.00 mas/yr
Parallax (π) 2.98 ± 0.55 mas
Distance approx. 1100 ly
(approx. 340 pc)
Absolute magnitude (MV) −4.92
Details
Mass 13-14 M
Radius 290 R
Luminosity 19,200 L
Temperature 4,000 K
Metallicity ?
Rotation ?
Age ? years
Other designations
HD 56855, SAO 197795, CoD C-36°3489, CPD P-36°1211, FK5: 278, HIP 35264.

Pi Puppis (π Pup / π Puppis) is a star in the constellation Puppis that is occasionally called by the traditional name Ahadi, meaning "Having Much Promise".

For the meteor shower appearing in the region of this star, see Pi Puppids.

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