21023+3931 WRD   4AG

 
 
21H 02M 20.96S +39 30' 32.5" P.A. 230 SEP 95 MAG 6.62,13.50 SP K3II-III DIST. 223.71 PC (729.74 L.Y.)
 
 
Coord 2000
21023+3931
Discov num
WRD   4
Comp
AG
Coord arcsec 2000
21 02 20.96 +39 30 32.5
Date first
1875
Date last
1875
Obs
1
Pa first
230
Pa last
230
P.A. Now (θ)
230°
Sep first
95.0
Sep last
95.0
Sep. Now (ρ)
95"
Mag pri
6.62
Mag sec
13.50
delta mag (ΔM)
6.88
Spectral class
K3II-III (yellow-orange)
Pri motion ra
+002
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
21023+3931 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 70818 21023+3931 H 4 113 AB 1783 2012 33 299 19.2 6.62 9.49 2.87
Show 70818 21023+3931 H 4 113 AC 1876 2012 10 248 26.7 6.62 12.50 5.88
Show 70818 21023+3931 SMY 6 AD 1862 2012 7 141 57.1 6.62 12.61 5.99
Show 70818 21023+3931 SMY 6 AE 1862 2012 8 87 97.0 6.62 10.88 4.26
Show 70818 21023+3931 WRD 4 AF 1875 2012 4 222 102.2 6.62 12.45 5.83
Show 70818 21023+3931 WRD 4 AG 1875 1875 1 230 95.0 6.62 13.50 6.88 <===
Show 70818 21023+3931 FYM 114 AI 2000 2012 3 277 41.1 6.62 15.20 8.58
Show 21023+3931 WRD 4 ED 2000 2012 3 230 77.9 10.88 12.61 1.73
Show 21023+3931 WRD 4 EH 1951 2012 5 160 37.5 10.88 12.84 1.96
Ninefold system
9 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
SAO
70818
HIP
103822
Tycho2
3172-01764-1
HD
200465
BD
BD+38 4321
Distance
223.71
Distance ly
729.74
last precise pa
230
last precise sep
95