21023+3931 WRD   4EH

 
 
21H 02M 29.25S +39 30' 38.3" P.A. 160 SEP 37.5 MAG 10.88,12.84
 
 
Coord 2000
21023+3931
Discov num
WRD   4
Comp
EH
Coord arcsec 2000
21 02 29.25 +39 30 38.3
Date first
1951
Date last
2012
Obs
5
Pa first
160
Pa last
160
P.A. Now (θ)
160°
Sep first
37.3
Sep last
37.5
Sep. Now (ρ)
37.5"
Mag pri
10.88
Mag sec
12.84
delta mag (ΔM)
1.96
Spectral class
Pri motion ra
-003
Sec motion ra
+025
Pri motion dec
-006
Sec motion dec
-018
Notes
N (See Notes)
rPM=0.989
This double is not physical.
 
 
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
Tycho2
3172-00265-1
last precise pa
159.5
last precise sep
37.51