21186+6235 BU 1502CD

 
 
21h 18m 44.39s +62 37' 55.9" P.A. 103 sep 2.8 mag 11.10,11.30
 
 
Coord 2000
21186+6235
Discov num
BU 1502
Comp
CD
Coord arcsec 2000
21 18 44.39 +62 37 55.9
Date first
1907
Date last
2003
Obs
3
Pa first
104
Pa last
103
P.A. Now (θ)
103°
Sep first
2.6
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
11.10
Mag sec
11.30
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+008
Sec motion ra
Pri motion dec
+017
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
21186+6235 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Alderamin 19302 21186+6235 BU 1502 AB 1879 2011 9 17 196.6 2.46 11.46 9.00
Show 21186+6235 BU 1502 B,CD 1907 2013 5 165 21.9 11.46 12.39 0.93
Show 21186+6235 BU 1502 CD 1907 2003 3 103 2.8 11.10 11.30 0.20 <===
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
103.1
Precise sep
2.81
Constellation
Cepheus
last precise pa
103.1
last precise sep
2.81
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21186+6235 BU 1502 CD 2000 2 102 2.8 11.10 11.30 N D 211844.39+623755.9
21186+6235 BU 1502 CD 2003 3 103 2.8 11.10 11.30 N D 211844.39+623755.9

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