21424+0037 BAL1236AB

 
 
21h 42m 28.57s +00 38' 11.5" P.A. 312 sep 15.6 mag 11.68,12.10 Sp G5:
 
 
Coord 2000
21424+0037
Discov num
BAL1236
Comp
AB
Coord arcsec 2000
21 42 28.57 +00 38 11.5
Date first
1896
Date last
2015
Obs
6
Pa first
315
Pa last
312
P.A. Now (θ)
312°
Sep first
15.2
Sep last
15.6
Sep. Now (ρ)
15.6"
Mag pri
11.68
Mag sec
12.10
delta mag (ΔM)
0.42
Spectral class
G5: (yellow)
Pri motion ra
+020
Sec motion ra
+010
Pri motion dec
-003
Sec motion dec
-008
Notes
Nature of this double is uncertain.
 
 
21424+0037 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21424+0037 BAL1236 AB 1896 2015 6 312 15.6 11.68 12.10 0.42 <===
Show 21424+0037 SMA 152 AC 1921 2015 5 102 17.4 11.68 12.46 0.78
Show 21424+0037 SMA 152 BC 1921 2015 6 112 30.8 12.10 12.46 0.36
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aquarius
last precise pa
311.6
last precise sep
15.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21424+0037 BAL1236 AB 2000 4 312 15.6 11.68 12.12 D 214228.57+003811.5
21424+0037 BAL1236 AB 2015 6 312 15.6 11.68 12.10 G5: 214228.57+003811.5

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