21063+4751 BUP9010AB

 
 
21h 06m 18.54s +47 51' 07.2" P.A. 61 sep 28.5 mag 11.62,9.58 Sp [WC]+K:
 
 
Coord 2000
21063+4751
Discov num
BUP9010
Comp
AB
Coord arcsec 2000
21 06 18.54 +47 51 07.2
Date first
1879
Date last
2015
Obs
9
Pa first
64
Pa last
61
P.A. Now (θ)
61°
Sep first
25.3
Sep last
28.5
Sep. Now (ρ)
28.5"
Mag pri
11.62
Mag sec
9.58
delta mag (ΔM)
2.04
Spectral class
[WC]+K:
Pri motion ra
+073
Sec motion ra
+011
Pri motion dec
-099
Sec motion dec
+006
Notes
rPM=0.991
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 2015 9 61 28.5 11.62 9.58 2.04 <===
Show 21063+4751 BUP9010 AC 1891 2015 9 315 50.0 11.62 13.40 1.78
Show 21063+4751 BUP9010 AD 1909 2015 6 322 53.9 11.62 13.90 2.28
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
60.9
Precise sep
28.547
Constellation
Cygnus
Tycho2
3592-02787-1
Gaia DR2
2165238733564304768
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21063+4751 BUP9010 AB 2010 6 61 28.1 10.90 9.50 [WC]+K: 210618.54+475107.2
21063+4751 BUP9010 AB 2013 7 62 28.3 10.90 9.50 [WC]+K: 210618.54+475107.2
21063+4751 BUP9010 AB 2015 9 61 28.5 11.62 9.58 [WC]+K: 210618.54+475107.2

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