19138+6620 UC 3856 BC

 
 
19h 13m 39.66s +66° 19' 34.2" P.A. 3.00 sep 30.4 mag 16.30,16.50
 
 
Coord 2000 19138+6620 Discov num UC 3856 Comp BC Coord arcsec 2000 19 13 39.66 +66 19 34.2
Date first 1999 Date last 2015 Obs 3
Pa first 4 Pa last 3.4 P.A. Now (θ) 3.4°
Sep first 30.5 Sep last 30.408 Sep. Now (ρ) 30.408"
Mag pri 16.30 Mag sec 16.50 delta mag (ΔM) 0.2 Spectral class
Pri motion ra -010 Sec motion ra +001
Pri motion dec +054 Sec motion dec +063
Notes V (Proper motion indicates physical)
rPM=0.226 (< 0.3, Physical double)
This double is physical.
 
 
19138+6620 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 13 47 +66 19 42 UC 3856 AB 2015 3 259 42.3 15.00 16.30 1.30
Show 19 13 47 +66 19 42 UC 3856 AC 2015 5 299 45.4 15.00 16.50 1.50
Show 19 13 40 +66 19 34 UC 3856 BC 2015 3 3 30.4 16.30 16.50 0.20 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Gaia DR2 2254929474752847232