21169+4140 POP 186CD

 
 
21H 17M 01.59S +41 39' 13.7" P.A. 92 SEP 4.3 MAG 12.20,12.70
 
 
Coord 2000
21169+4140
Discov num
POP 186
Comp
CD
Coord arcsec 2000
21 17 01.59 +41 39 13.7
Date first
1984
Date last
2002
Obs
4
Pa first
90
Pa last
92
P.A. Now (θ)
92°
Sep first
4.4
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
12.20
Mag sec
12.70
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-002
Sec motion ra
+033
Pri motion dec
+004
Sec motion dec
-002
Notes
R (Red magnitudes)
rPM=1.074
This double is not physical.
 
 
21169+4140 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21169+4140 POP 186 AB 1895 2011 8 298 10.4 10.30 11.10 0.80
Show 21169+4140 POP 186 AC 1983 2002 4 130 60.7 10.25 12.20 1.95
Show 21169+4140 POP 186 CD 1984 2002 4 92 4.3 12.20 12.70 0.50 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
91.6
last precise sep
4.335