20522+1656 J  3116BC

 
 
20H 52M 12.84S +16 57' 09.9" P.A. 139 SEP 5.9 MAG 13.30,14.80
 
 
Coord 2000
20522+1656
Discov num
J  3116
Comp
BC
Coord arcsec 2000
20 52 12.84 +16 57 09.9
Date first
1944
Date last
2001
Obs
3
Pa first
130
Pa last
139
P.A. Now (θ)
139°
Sep first
4.0
Sep last
5.9
Sep. Now (ρ)
5.9"
Mag pri
13.30
Mag sec
14.80
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
+006
Sec motion ra
-002
Pri motion dec
+014
Sec motion dec
-022
Notes
rPM=1.669
This double is not physical.
 
 
20522+1656 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 106591 20522+1656 J 3116 AB 1944 2001 4 39 73.3 8.77 12.88 4.11
Show 20522+1656 J 3116 BC 1944 2001 3 139 5.9 13.30 14.80 1.50 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Delphinus
last precise pa
138.9
last precise sep
5.91