20563+4447 ES  675BC

 
 
20h 56m 08.85s +44 46' 50.6" P.A. 108 sep 3.7 mag 10.60,12.00
 
 
Coord 2000
20563+4447
Discov num
ES  675
Comp
BC
Coord arcsec 2000
20 56 08.85 +44 46 50.6
Date first
1908
Date last
2003
Obs
5
Pa first
107
Pa last
108
P.A. Now (θ)
108°
Sep first
3.7
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
10.60
Mag sec
12.00
delta mag (ΔM)
1.4
Spectral class
Pri motion ra
-006
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20563+4447 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20563+4447 ES 675 AB 1892 2003 7 272 97.6 9.64 11.70 2.06
Show 20563+4447 ES 675 BC 1908 2003 5 108 3.7 10.60 12.00 1.40 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
107.6
Precise sep
3.727
Cdsa2 id
ES 675 BC
Constellation
Cygnus
Ra deg
20.935791666666667
De deg
44.780722222222224
last precise pa
107.6
last precise sep
3.727
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20563+4447 ES 675 BC 2000 3 108 3.7 10.60 12.00 D 205608.85+444650.6
20563+4447 ES 675 BC 2003 5 108 3.7 10.60 12.00 D 205608.85+444650.6

If you need more information about this double, apply for a data request form to the WDS.