20568+4254 ENG  77BC

 
 
20H 56M 43.34S +42 55' 09.9" P.A. 69 SEP 100.8 MAG 10.16,9.13
 
 
Coord 2000
20568+4254
Discov num
ENG  77
Comp
BC
Coord arcsec 2000
20 56 43.34 +42 55 09.9
Date first
1892
Date last
2002
Obs
12
Pa first
69
Pa last
69
P.A. Now (θ)
69°
Sep first
83.8
Sep last
100.8
Sep. Now (ρ)
100.8"
Mag pri
10.16
Mag sec
9.13
delta mag (ΔM)
1.03
Spectral class
Pri motion ra
-152
Sec motion ra
-006
Pri motion dec
-064
Sec motion dec
-013
Notes
N L (See Notes, Linear solution)
rPM=0.9379999999999999
This double is not physical.
 
 
20568+4254 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 50265 20568+4254 ENG 77 AB 1892 2002 11 328 100.0 7.31 10.16 2.85
Show 50265 20568+4254 ENG 77 AC 1892 2012 18 17 125.8 7.31 9.13 1.82
Show 20568+4254 ENG 77 BC 1892 2002 12 69 100.8 10.16 9.13 1.03 <===
Show 50268 20568+4254 ENG 77 CD 1892 2002 11 356 92.9 9.13 11.06 1.93
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
Tycho2
3175-00317-1
last precise pa
69.2
last precise sep
100.813