21186+6235 BU 1502 CD

 
 
21h 18m 44.39s +62° 37' 55.9" P.A. 103.00 sep 2.8 mag 11.10,11.30
 
 
Coord 2000 21186+6235 Discov num BU 1502 Comp CD Coord arcsec 2000 21 18 44.39 +62 37 55.9
Date first 1907 Date last 2016 Obs 6
Pa first 104 Pa last 103.2 P.A. Now (θ) 103.2°
Sep first 2.6 Sep last 2.822 Sep. Now (ρ) 2.822"
Mag pri 11.10 Mag sec 11.30 delta mag (ΔM) 0.2 Spectral class
Pri motion ra +008 Sec motion ra
Pri motion dec +017 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21186+6235 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Alderamin 19302 21 18 35 +62 35 08 BU 1502 AB 2011 9 17 196.6 2.46 11.46 9.00
Show 21 18 44 +62 38 17 BU 1502 B,CD 2013 5 165 21.9 11.46 12.39 0.93
Show 21 18 44 +62 37 56 BU 1502 CD 2016 6 103 2.8 11.10 11.30 0.20 <===
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Gaia DR2 2193193713622793216