15583-3404 B 1312 A,BC (HD 142887)

15h 58m 15.82s -34° 04' 17.3" P.A. 175.00 sep 52.8 mag 9.16,10.41 Sp B9 dist. 512.82 pc (1672.82 l.y.)

Coord 2000 15583-3404 Discov num B  1312 Comp A,BC Coord arcsec 2000 15 58 15.82 -34 04 17.3
Date first 1911 Date last 2000 Obs 6
Pa first 175 Pa last 174.9 P.A. Now (θ) 174.9°
Sep first 50.2 Sep last 52.81 Sep. Now (ρ) 52.81"
Mag pri 9.16 Mag sec 10.41 delta mag (ΔM) 1.25 Spectral class B9 (blue-white)
Pri motion ra +000 Sec motion ra +008
Pri motion dec -002 Sec motion dec -037
Notes




rPM=0.948

This double is not physical.



15583-3404 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 142887 207174 15 58 16 -34 04 17 B 1312 A,BC 2000 6 175 52.8 9.16 10.41 1.25 <===
Show 15 58 16 -34 05 10 B 1312 BC 1991 2 116 0.6 11.05 11.05 0.00


Triple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 142887 Constellation Lupus SAO 207174 HIP 78213
Tycho2 7337-00907-1 Gaia DR2 6011982834544637824 HD 142887 CD CD-3310835
CP CP-33 3953 Distance 512.82 Distance ly 1672.82