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
Cdsa2 id
HJ 947 BC
Constellation
Pegasus
Ra deg
21.85987777777778
De deg
19.826
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

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