21177+1636 J 850 AB

 
 
21h 17m 39.02s +16° 34' 44.2" P.A. 236.00 sep 2.4 mag 9.60,12.50
 
 
Coord 2000 21177+1636 Discov num J   850 Comp AB Coord arcsec 2000 21 17 39.02 +16 34 44.2
Date first 1912 Date last 2008 Obs 11
Pa first 245 Pa last 235.8 P.A. Now (θ) 235.8°
Sep first 1.6 Sep last 2.43 Sep. Now (ρ) 2.43"
Mag pri 9.60 Mag sec 12.50 delta mag (ΔM) 2.9 Spectral class
Pri motion ra +029 Sec motion ra
Pri motion dec +002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21177+1636 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 17 39 +16 34 44 J 850 AB 2008 11 236 2.4 9.60 12.50 2.90 <===
Show 21 17 39 +16 34 44 J 850 AC 2016 16 331 12.4 9.60 9.60 0.00
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Gaia DR2 1784666629269585152