21063+4751 BUP9010AC

 
 
21H 06M 18.54S +47 51' 07.2" P.A. 315 SEP 49.7 MAG 11.62,13.40 SP [WC]
 
 
Coord 2000
21063+4751
Discov num
BUP9010
Comp
AC
Coord arcsec 2000
21 06 18.54 +47 51 07.2
Date first
1891
Date last
2013
Obs
8
Pa first
320
Pa last
315
P.A. Now (θ)
315°
Sep first
51.9
Sep last
49.7
Sep. Now (ρ)
49.7"
Mag pri
11.62
Mag sec
13.40
delta mag (ΔM)
1.78
Spectral class
[WC]
Pri motion ra
+073
Sec motion ra
-035
Pri motion dec
-099
Sec motion dec
-083
Notes
rPM=0.888
This double is not physical.
 
 
21063+4751 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21063+4751 BUP9010 AB 1879 2013 8 62 28.3 11.62 9.58 2.04
Show 21063+4751 BUP9010 AC 1891 2013 8 315 49.7 11.62 13.40 1.78 <===
Show 21063+4751 BUP9010 AD 1909 2013 5 322 53.6 11.62 13.90 2.28
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
Tycho2
3592-02787-1
last precise pa
315
last precise sep
49.7