18502+1339 BPM 857 BC

 
 
18h 50m 10.49s +13° 39' 08.6" P.A. 43.00 sep 3.4 mag 15.70,15.70
 
 
Coord 2000 18502+1339 Discov num BPM 857 Comp BC Coord arcsec 2000 18 50 10.49 +13 39 08.6
Date first 1999 Date last 2015 Obs 3
Pa first 42 Pa last 43.3 P.A. Now (θ) 43.3°
Sep first 3.6 Sep last 3.375 Sep. Now (ρ) 3.375"
Mag pri 15.70 Mag sec 15.70 delta mag (ΔM) 0 Spectral class
Pri motion ra -024 Sec motion ra
Pri motion dec -016 Sec motion dec
Notes N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
18502+1339 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 50 14 +13 39 19 BPM 857 AB 2015 4 257 44.9 15.02 15.40 0.38
Show 18 50 10 +13 39 09 BPM 857 BC 2015 3 43 3.4 15.70 15.70 0.00 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4507002517099931136