21577+4356 BTG 9 AD

 
 
21h 57m 41.80s +43° 55' 41.0" P.A. 86.00 sep 38.1 mag 12.24,14.07
 
 
Coord 2000 21577+4356 Discov num BTG   9 Comp AD Coord arcsec 2000 21 57 41.80 +43 55 41.0
Date first 2000 Date last 2015 Obs 7
Pa first 86 Pa last 86.1 P.A. Now (θ) 86.1°
Sep first 38.1 Sep last 38.075 Sep. Now (ρ) 38.075"
Mag pri 12.24 Mag sec 14.07 delta mag (ΔM) 1.83 Spectral class
Pri motion ra -006 Sec motion ra -010
Pri motion dec +008 Sec motion dec -003
Notes
rPM=1.121
This double is not physical.
 
 
21577+4356 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 57 42 +43 55 41 J 3155 AB 2015 10 131 5.8 12.20 12.50 0.30
Show 21 57 42 +43 55 41 J 3155 AC 2015 7 348 9.9 12.20 15.00 2.80
Show 21 57 42 +43 55 41 BTG 9 AD 2015 7 86 38.1 12.24 14.07 1.83 <===
Show 21 57 42 +43 55 41 MAY 9004 AE 2015 7 284 8.5 12.20 15.60 3.40
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1961202670041029120