Coord 2000 | 15569-3358 | Discov num | PZ 4 | Comp | Coord arcsec 2000 | 15 56 53.49 -33 57 58.0 | |||||
Date first | 1826 | Date last | 2020 | Obs | 51 | ||||||
Pa first | 53 | Pa last | 49.5 | P.A. Now (θ) | 49.5° | ||||||
Sep first | 11.7 | Sep last | 10.15 | Sep. Now (ρ) | 10.15" | ||||||
Mag pri | 5.09 | Mag sec | 5.56 | delta mag (ΔM) | 0.47 | Spectral class | A3V+B9V (white/blue-white) | ||||
Pri motion ra | +024 | Sec motion ra | +020 | ||||||||
Pri motion dec | -046 | Sec motion dec | -050 | ||||||||
Notes | N Z (See Notes, Parallax indicates components are physical) |
Name | Xi1 Lup | Constellation | Lupus | SAO | 207144 | HIP | 78105 | ||||
Tycho2 | 7337-01461-1 | Gaia DR2 | 6012174802400278016 | HD | 142629 | HR | 5925 | ||||
GC | 21395 | CD | CD-3310826 | Bayer | Xi 1 Lupi | Bayer name | Xi1 Lup | ||||
Distance | 42.37 | Distance ly | 138.21 | Bayer greek | ξ1 Lup |