17452-4458 BRT 990 BC

 
 
17h 45m 12.70s -44° 57' 57.4" P.A. 20.00 sep 4.2 mag 12.39,12.53
 
 
Coord 2000 17452-4458 Discov num BRT 990 Comp BC Coord arcsec 2000 17 45 12.70 -44 57 57.4
Date first 1904 Date last 1999 Obs 4
Pa first 19 Pa last 19.9 P.A. Now (θ) 19.9°
Sep first 4.0 Sep last 4.16 Sep. Now (ρ) 4.16"
Mag pri 12.39 Mag sec 12.53 delta mag (ΔM) 0.14 Spectral class
Pri motion ra -084 Sec motion ra -013
Pri motion dec -039 Sec motion dec +015
Notes B (Blue magnitudes)
rPM=0.963
This double is not physical.
 
 
17452-4458 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 45 13 -44 57 59 BRT 990 AB 1999 3 292 4.4 12.32 12.39 0.07
Show 17 45 13 -44 57 57 BRT 990 BC 1999 4 20 4.2 12.39 12.53 0.14 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius Gaia DR2 5955084241699994368