17283-4032 WG 207 BC

17h 28m 21.76s -40° 32' 58.1" P.A. 47.00 sep 5.9 mag 10.74,11.20

Coord 2000 17283-4032 Discov num WG  207 Comp BC Coord arcsec 2000 17 28 21.76 -40 32 58.1
Date first 1898 Date last 2015 Obs 5
Pa first 49 Pa last 47 P.A. Now (θ) 47°
Sep first 5.5 Sep last 5.904 Sep. Now (ρ) 5.904"
Mag pri 10.74 Mag sec 11.20 delta mag (ΔM) 0.46 Spectral class
Pri motion ra -005 Sec motion ra -001
Pri motion dec -005 Sec motion dec -001
Notes




rPM=0.8

Nature of this double is uncertain.



17283-4032 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 157958 17 28 22 -40 32 34 WG 207 AB 2015 6 190 24.4 9.87 10.74 0.87
Show 17 28 22 -40 32 58 WG 207 BC 2015 5 47 5.9 10.74 11.20 0.46 <===


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Scorpius Tycho2 7887-01724-1 Gaia DR2 5960116500295487232