17387+1834 BUP 177 BC

 
 
17h 38m 22.78s +18° 33' 22.4" P.A. 270.00 sep 104.9 mag 11.35,9.79
 
 
Coord 2000 17387+1834 Discov num BUP 177 Comp BC Coord arcsec 2000 17 38 22.78 +18 33 22.4
Date first 1895 Date last 2015 Obs 18
Pa first 286 Pa last 270.1 P.A. Now (θ) 270.1°
Sep first 84.4 Sep last 104.949 Sep. Now (ρ) 104.949"
Mag pri 11.35 Mag sec 9.79 delta mag (ΔM) 1.56 Spectral class
Pri motion ra +010 Sec motion ra -189
Pri motion dec -024 Sec motion dec -205
Notes N (See Notes)
rPM=0.965
This double is not physical.
 
 
17387+1834 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 38 42 +18 33 42 BUP 177 AB 2015 14 266 272.2 9.64 11.35 1.71
Show 17 38 42 +18 33 42 BUP 177 AC 2005 13 269 374.3 9.64 9.79 0.15
Show 17 38 23 +18 33 22 BUP 177 BC 2015 18 270 104.9 11.35 9.79 1.56 <===
Show 17 38 16 +18 33 25 OSO 82 CD 1994 2 202 9.9 9.77 18.05 8.28
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 1555-00119-1 Gaia DR2 4550759300292096640