21055+5340 BU 680 AC

 
 
21h 05m 30.82s +53° 40' 05.5" P.A. 33.00 sep 20.8 mag 8.70,10.90 Sp A0 dist. 335.57 pc (1094.63 l.y.)
 
 
Coord 2000 21055+5340 Discov num BU  680 Comp AC Coord arcsec 2000 21 05 30.82 +53 40 05.5
Date first 1885 Date last 2018 Obs 18
Pa first 34 Pa last 33.2 P.A. Now (θ) 33.2°
Sep first 23.4 Sep last 20.835 Sep. Now (ρ) 20.835"
Mag pri 8.70 Mag sec 10.90 delta mag (ΔM) 2.2 Spectral class A0 (white)
Pri motion ra +007 Sec motion ra +001
Pri motion dec +007 Sec motion dec -006
Notes
rPM=1.446
This double is not physical.
 
 
21055+5340 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 201113 33125 21 05 31 +53 40 06 BU 680 AB 2016 42 283 0.6 8.70 9.38 0.68
Show 33125 21 05 31 +53 40 06 BU 680 AC 2018 18 33 20.8 8.70 10.90 2.20 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 33125 HIP 104107 Tycho2 3952-00394-1
Gaia DR2 2176462552560335616 HD 201113 BD BD+53 2546 Distance 335.57
Distance ly 1094.63