20568+4254 ENG 77 CD

 
 
20h 56m 51.88s +42° 55' 45.5" P.A. 356.00 sep 92.9 mag 9.13,11.06 Sp A2
 
 
Coord 2000 20568+4254 Discov num ENG  77 Comp CD Coord arcsec 2000 20 56 51.88 +42 55 45.5
Date first 1892 Date last 2015 Obs 14
Pa first 356 Pa last 356.3 P.A. Now (θ) 356.3°
Sep first 92.6 Sep last 92.876 Sep. Now (ρ) 92.876"
Mag pri 9.13 Mag sec 11.06 delta mag (ΔM) 1.93 Spectral class A2 (white)
Pri motion ra -006 Sec motion ra +005
Pri motion dec -013 Sec motion dec -008
Notes N (See Notes)
rPM=0.844
This double is not physical.
 
 
20568+4254 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 199580 50265 20 56 48 +42 53 44 ENG 77 AB 2002 11 328 100.0 7.31 10.16 2.85
Show 50265 20 56 48 +42 53 44 ENG 77 AC 2012 18 17 125.8 7.31 9.13 1.82
Show 20 56 43 +42 55 10 ENG 77 BC 2014 16 69 102.7 10.16 9.13 1.03
Show 20 56 52 +42 55 46 ENG 77 CD 2015 14 356 92.9 9.13 11.06 1.93 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3175-00251-1 Gaia DR2 2162017374953231104