21121+7700 LOC 570 BC

 
 
21h 12m 15.62s +76° 59' 39.4" P.A. 83.00 sep 0.6 mag 17.90,18.70
 
 
Coord 2000 21121+7700 Discov num LOC 570 Comp BC Coord arcsec 2000 21 12 15.62 +76 59 39.4
Date first 2015 Date last 2015 Obs 1
Pa first 83 Pa last 82.8 P.A. Now (θ) 82.8°
Sep first 0.6 Sep last 0.646 Sep. Now (ρ) 0.646"
Mag pri 17.90 Mag sec 18.70 delta mag (ΔM) 0.8 Spectral class
Pri motion ra +027 Sec motion ra +029
Pri motion dec +048 Sec motion dec +043
Notes T (Parallax indicates physical)
rPM=0.098 (< 0.3, Physical double)
This double is physical.
 
 
21121+7700 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 12 09 +76 59 47 LOC 570 AB 2015 1 109 24.0 16.90 17.90 1.00
Show 21 12 09 +76 59 47 LOC 570 AC 2015 5 109 24.5 16.90 18.70 1.80
Show 21 12 16 +76 59 39 LOC 570 BC 2015 1 83 0.6 17.90 18.70 0.80 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus