18393+6348 ES 126 AB (HD 173108)

 
 
18h 39m 18.80s +63° 47' 31.5" P.A. 52.00 sep 72.4 mag 8.36,11.47 Sp A3 dist. 153.14 pc (499.54 l.y.)
 
 
Coord 2000 18393+6348 Discov num ES  126 Comp AB Coord arcsec 2000 18 39 18.80 +63 47 31.5
Date first 1898 Date last 2015 Obs 9
Pa first 54 Pa last 52.4 P.A. Now (θ) 52.4°
Sep first 73.1 Sep last 72.419 Sep. Now (ρ) 72.419"
Mag pri 8.36 Mag sec 11.47 delta mag (ΔM) 3.11 Spectral class A3 (white)
Pri motion ra +004 Sec motion ra +000
Pri motion dec -022 Sec motion dec -029
Notes
rPM=0.278 (< 0.3, Physical double)
This double is physical.
 
 
18393+6348 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 173108 17965 18 39 19 +63 47 32 ES 126 AB 2015 9 52 72.4 8.36 11.47 3.11 <===
Show 17965 18 39 19 +63 47 32 ES 126 AD 2015 7 54 46.0 8.36 13.29 4.93
Show 18 39 27 +63 48 16 ES 126 BC 2016 11 24 4.8 11.47 12.34 0.87
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 173108 Constellation Draco SAO 17965 HIP 91467
Tycho2 4223-00799-1 Gaia DR2 2256314236630576384 HD 173108 GC 25570
BD BD+63 1446 Distance 153.14 Distance ly 499.54