21121+7700 LOC 570 AC

 
 
21h 12m 08.91s +76° 59' 47.3" P.A. 109.00 sep 24.5 mag 16.90,18.70
 
 
Coord 2000 21121+7700 Discov num LOC 570 Comp AC Coord arcsec 2000 21 12 08.91 +76 59 47.3
Date first 1999 Date last 2015 Obs 5
Pa first 109 Pa last 108.5 P.A. Now (θ) 108.5°
Sep first 24.2 Sep last 24.548 Sep. Now (ρ) 24.548"
Mag pri 16.90 Mag sec 18.70 delta mag (ΔM) 1.8 Spectral class
Pri motion ra +027 Sec motion ra +029
Pri motion dec +045 Sec motion dec +043
Notes V (Proper motion indicates physical)
rPM=0.054 (< 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