21388+5548 BU 687 AB (HD 206222)

 
 
21h 38m 45.74s +55° 47' 29.8" P.A. 1.00 sep 0.6 mag 8.11,9.54 Sp A0
 
 
Coord 2000 21388+5548 Discov num BU  687 Comp AB Coord arcsec 2000 21 38 45.74 +55 47 29.8
Date first 1877 Date last 2008 Obs 26
Pa first 8 Pa last 1.4 P.A. Now (θ) 1.4°
Sep first 0.5 Sep last 0.643 Sep. Now (ρ) 0.643"
Mag pri 8.11 Mag sec 9.54 delta mag (ΔM) 1.43 Spectral class A0 (white)
Pri motion ra +008 Sec motion ra +008
Pri motion dec +005 Sec motion dec +005
Notes
Nature of this double is uncertain.
 
 
21388+5548 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 206222 33622 21 38 46 +55 47 30 BU 687 AB 2008 26 1 0.6 8.11 9.54 1.43 <===
Show 33622 21 38 46 +55 47 30 BU 687 AC 2014 15 203 54.5 8.11 10.69 2.58
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 206222 Constellation Cepheus SAO 33622 Tycho2 3971-02054-1
Gaia DR2 2174674982871761280 HD 206222