21569+3735 BKO 905 AB

 
 
21h 56m 53.14s +37° 35' 21.9" P.A. 316.00 sep 6.3 mag 11.85,13.45
 
 
Coord 2000 21569+3735 Discov num BKO 905 Comp AB Coord arcsec 2000 21 56 53.14 +37 35 21.9
Date first 2000 Date last 2015 Obs 9
Pa first 316 Pa last 315.8 P.A. Now (θ) 315.8°
Sep first 6.3 Sep last 6.29 Sep. Now (ρ) 6.29"
Mag pri 11.85 Mag sec 13.45 delta mag (ΔM) 1.6 Spectral class
Pri motion ra -004 Sec motion ra -003
Pri motion dec -006 Sec motion dec -005
Notes
rPM=0.196 (< 0.3, Physical double)
This double is physical.
 
 
21569+3735 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 56 53 +37 35 22 BKO 905 AB 2015 9 316 6.3 11.85 13.45 1.60 <===
Show 21 56 53 +37 35 22 BKO 905 AC 2015 9 36 6.8 11.85 15.20 3.35
Show 21 56 53 +37 35 22 BKO 905 AD 2015 9 33 17.8 11.85 13.87 2.02
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1949933607863851904