Pi Lupi

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π Lup

Observation data
Epoch J2000
Constellation
(pronunciation)		 Lupus
Right ascension 15h 05m 07.0857s
Declination -47° 03' 04.483"'
Apparent magnitude (V) 3.98
Characteristics
Spectral type B5
U-B color index ?
B-V color index ?
Variable type None
Astrometry
Radial velocity (Rv) 5 km/s
Proper motion (μ) RA: -23.39 mas/yr
Dec.: -21.11 mas/yr
Parallax (π) 6.56 ± 0.96 mas
Distance approx. 500 ly
(approx. 150 pc)
Absolute magnitude (MV) 3.75
Details
Mass ? M☉
Radius ? R☉
Surface gravity (log g) ?
Luminosity ? L☉
Temperature ? K
Metallicity ?
Rotation ?
Age ? years
Visual binary orbit
Companion π Lup B
Semimajor axis (a) 0.8"
Inclination (i) 111°
Visual binary orbit
Companion π Lup C
Semimajor axis (a) 1.6"
Inclination (i) 68°
Other designations
CCDM J15051-4703, CSI-46° 9773 23, IDS 14583-4640 AB, UBV M 20523, HJ 4728AB, CD-46° 9773, HIC 73807, CEL 4336, HIP 73807.
HD 133243, CD-46° 9773B, GCRV 5170 E, pi. Lup B, CPD-46° 7178B, HR 5606, CCDM J15051-4703B, CSI-46° 9773 22, IDS 14583-4640 B.
HD 133242, CPD-46° 7178A, HR 5605, pi. Lup A, CSI-46° 9773 21, IDS 14583-4640 A, CCDM J15051-4703A, EUVE J1505-47.0, CD-46° 9773A, GC 20271, ROT 2141, CPC 0 12915, GCRV 8724, SAO 225426.
Database references
SIMBAD data

π Lup A (CCDM J15051-4703AB) , π Lup B (HD 133243) and π Lup C (HD 133242) is system triple star.

[edit] Reference

[edit] Components

NAME Right ascension Declination Apparent magnitude (V) Spectral type Database references
π Lup B (HD 133243) 15h 05m 07.3s -47° 03' 01 4.82 B5IV Simbad
π Lup C (HD 133242) 15h 05m 07.18s -47° 03' 04 3.896 B5V Simbad
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