Psi2 Lupi

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Psi2 Lupi
Observation data
ICRS
)
Constellation Lupus
Right ascension 15h 42m 41.02206s[1]
Declination −34° 42′ 37.4617″[1]
Apparent magnitude (V) 4.75[2]
Characteristics
Spectral type B5 V[3]
U−B color index −0.570[2]
B−V color index −0.146[2]
Variable type Microvariable[3]
Distance
360 ± 10 ly
(111 ± 3 pc)
Absolute magnitude (MV)−1.44[2]
Semi-amplitude
(K1)
(primary)
63.3 km/s
Semi-amplitude (K2)
(secondary)
66.4 km/s
Details
Surface gravity (log g)4.29[3] cgs
Temperature15,135[3] K
HR 5839, SAO 206889.[6]
Database references
SIMBADdata

Psi2 Lupi (ψ2 Lup) is a

interstellar dust. This system is a member of the Upper Centaurus–Lupus subgroup of the Scorpius–Centaurus association.[8]

The inner pair of stars in this system form a double-lined

See also

References