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
Cdsa2 id
BU 1502 CD
Constellation
Cepheus
Ra deg
21.312330555555555
De deg
62.632194444444444
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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