21065+4823 BU 836 AB

 
 
21h 06m 32.69s +48° 23' 12.4" P.A. 177.00 sep 0.8 mag 9.98,9.64 Sp A
 
 
Coord 2000 21065+4823 Discov num BU  836 Comp AB Coord arcsec 2000 21 06 32.69 +48 23 12.4
Date first 1881 Date last 2016 Obs 22
Pa first 191 Pa last 177.4 P.A. Now (θ) 177.4°
Sep first 0.6 Sep last 0.79 Sep. Now (ρ) 0.79"
Mag pri 9.98 Mag sec 9.64 delta mag (ΔM) 0.34 Spectral class A (white)
Pri motion ra +004 Sec motion ra +004
Pri motion dec -004 Sec motion dec -004
Notes
Nature of this double is uncertain.
 
 
21065+4823 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 50455 21 06 33 +48 23 12 BU 836 AB 2016 22 177 0.8 9.98 9.64 0.34 <===
Show 21 06 33 +48 23 12 BU 836 AB,C 2016 13 218 27.5 9.26 11.28 2.02
Show 21 06 31 +48 22 51 BU 836 CD 2016 8 64 1.4 11.28 12.30 1.02
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 50455 Tycho2 3592-05052-1 Gaia DR2 2165534536556332800
HD 201231