21516+1950 HJ  947BC

 
 
21h 51m 35.56s +19 49' 33.6" P.A. 297 sep 42.5 mag 11.39,13.51
 
 
Coord 2000
21516+1950
Discov num
HJ  947
Comp
BC
Coord arcsec 2000
21 51 35.56 +19 49 33.6
Date first
1825
Date last
2012
Obs
11
Pa first
297
Pa last
297
P.A. Now (θ)
297°
Sep first
32.7
Sep last
42.5
Sep. Now (ρ)
42.5"
Mag pri
11.39
Mag sec
13.51
delta mag (ΔM)
2.12
Spectral class
Pri motion ra
+007
Sec motion ra
-015
Pri motion dec
+001
Sec motion dec
-003
Notes
N (See Notes)
rPM=1.462
This double is not physical.
 
 
21516+1950 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 107445 21516+1950 HJ 947 AB 1827 2012 18 98 18.9 5.78 11.39 5.61
Show 21516+1950 HJ 947 AC 1827 2012 11 310 24.3 5.78 13.51 7.73
Show 21516+1950 HJ 947 BC 1825 2012 11 297 42.5 11.39 13.51 2.12 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
297
Precise sep
42.47
Constellation
Pegasus
last precise pa
297
last precise sep
42.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21516+1950 HJ 947 BC 1999 9 297 41.1 11.39 13.51 D 215135.56+194933.6
21516+1950 HJ 947 BC 2001 10 297 41.1 11.39 13.51 N D 215135.56+194933.6
21516+1950 HJ 947 BC 2012 11 297 42.5 11.39 13.51 N D 215135.56+194933.6

If you need more information about this double, apply for a data request form to the WDS.