Psi2 Lupi
Appearance
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] | |
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 | |
Temperature | 15,135[3] K | |
Database references | ||
SIMBAD | data |
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
arc seconds.[7]
See also
References
- ^ S2CID 18759600.
- ^ doi:10.1086/190168.
- ^ Bibcode:2005AcA....55..375M.
- S2CID 59451347, A61.
- ^ S2CID 119387088.
- ^ "psi02 Lup". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2017-03-10.
{{cite web}}
: CS1 maint: postscript (link) - ^ S2CID 14878976.
- S2CID 119278056, 133.