20123+3451 AG  249AB

 
 
20H 12M 18.31S +34 51' 10.7" P.A. 132 SEP 32.6 MAG 7.96,10.78 SP K2V
 
 
Coord 2000
20123+3451
Discov num
AG  249
Comp
AB
Coord arcsec 2000
20 12 18.31 +34 51 10.7
Date first
1896
Date last
2012
Obs
12
Pa first
133
Pa last
132
P.A. Now (θ)
132°
Sep first
34.6
Sep last
32.6
Sep. Now (ρ)
32.6"
Mag pri
7.96
Mag sec
10.78
delta mag (ΔM)
2.82
Spectral class
K2V (yellow-orange)
Pri motion ra
+016
Sec motion ra
+002
Pri motion dec
-007
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
20123+3451 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20123+3451 AG 249 AB 1896 2012 12 132 32.6 7.96 10.78 2.82 <===
Show 20123+3451 AG 249 AC 1902 2002 2 31 13.0 7.96 14.00 6.04
Show 20123+3451 AG 249 CD 2002 2002 1 351 6.2 14.00 13.80 0.20
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
132.4
last precise sep
32.59