21063+4751 BUP9010AD

 
 
21h 06m 18.54s +47 51' 07.2" P.A. 322 sep 53.6 mag 11.62,13.90 Sp [WC]
 
 
Coord 2000
21063+4751
Discov num
BUP9010
Comp
AD
Coord arcsec 2000
21 06 18.54 +47 51 07.2
Date first
1909
Date last
2013
Obs
5
Pa first
323
Pa last
322
P.A. Now (θ)
322°
Sep first
53.1
Sep last
53.6
Sep. Now (ρ)
53.6"
Mag pri
11.62
Mag sec
13.90
delta mag (ΔM)
2.28
Spectral class
[WC]
Pri motion ra
+073
Sec motion ra
+004
Pri motion dec
-099
Sec motion dec
+049
Notes
Nature of this double is uncertain.
 
 
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
last precise pa
321.8
last precise sep
53.57
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21063+4751 BUP9010 AD 2006 3 322 54.0 10.90 14.00 [WC] 210618.54+475107.2
21063+4751 BUP9010 AD 2013 4 322 53.6 10.90 14.00 [WC] 210618.54+475107.2

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