21200+5436 SKF 1978 AB

 
 
21h 19m 58.57s +54° 35' 33.1" P.A. 298.00 sep 31.8 mag 10.33,10.48 Sp G0:+F5:
 
 
Coord 2000 21200+5436 Discov num SKF1978 Comp AB Coord arcsec 2000 21 19 58.57 +54 35 33.1
Date first 1902 Date last 2016 Obs 13
Pa first 298 Pa last 298 P.A. Now (θ) 298°
Sep first 31.7 Sep last 31.758 Sep. Now (ρ) 31.758"
Mag pri 10.33 Mag sec 10.48 delta mag (ΔM) 0.15 Spectral class G0:+F5: (yellow/yellow-white)
Pri motion ra +026 Sec motion ra +027
Pri motion dec +012 Sec motion dec +013
Notes N (See Notes)
rPM=0.047 (< 0.3, Physical double)
This double is physical.
 
 
21200+5436 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 19 59 +54 35 33 TDT 2908 Aa,Ab 2016 3 295 0.3 10.98 11.04 0.06
Show 21 19 59 +54 35 33 SKF 1978 AB 2016 13 298 31.8 10.33 10.48 0.15 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3957-01556-1