21555+5232 STT 456CD

 
 
21h 55m 28.78s +52 31' 50.1" P.A. 148 sep 40.8 mag 10.55,10.96 dist. 264.55 pc (862.96 l.y.)
 
 
Coord 2000
21555+5232
Discov num
STT 456
Comp
CD
Coord arcsec 2000
21 55 28.78 +52 31 50.1
Date first
1881
Date last
2015
Obs
14
Pa first
136
Pa last
148
P.A. Now (θ)
148°
Sep first
46.5
Sep last
40.8
Sep. Now (ρ)
40.8"
Mag pri
10.55
Mag sec
10.96
delta mag (ΔM)
0.41
Spectral class
Pri motion ra
+083
Sec motion ra
-001
Pri motion dec
+014
Sec motion dec
-002
Notes
L (Linear solution)
rPM=1.016
This double is not physical.
 
 
21555+5232 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21555+5232 STT 456 AB 1847 2016 73 37 1.6 8.25 8.93 0.68
Show 21555+5232 STT 456 AC 1881 2016 17 292 26.1 8.25 10.55 2.30
Show 21555+5232 STT 456 AD 1881 2016 16 186 25.2 8.25 10.96 2.71
Show 21555+5232 ABH 154 AB,E 1900 2003 5 18 54.6 7.79 12.24 4.45
Show 21555+5232 ABH 154 AB,F 1987 2003 3 104 57.5 7.79 12.42 4.63
Show 21555+5232 ABH 154 AB,G 1900 2010 11 107 111.6 7.79 9.52 1.73
Show 21555+5232 ABH 154 AB,H 1987 2003 3 183 59.1 7.79 13.73 5.94
Show 21555+5232 ABH 154 AB,I 1987 2003 3 256 101.0 7.79 13.53 5.74
Show 21555+5232 ABH 154 AB,J 1987 2003 3 46 80.4 7.79 13.68 5.89
Show 21555+5232 ABH 154 AB,K 1987 2000 2 124 72.3 7.79 14.30 6.51
Show 21555+5232 ABH 154 AB,L 1987 2003 3 118 75.7 7.79 13.90 6.11
Show 21555+5232 STT 456 CD 1881 2015 14 148 40.8 10.55 10.96 0.41 <===
12-fold system
13 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
147.9
Precise sep
40.768
Constellation
Cygnus
HIP
108222
Tycho2
3968-01329-1
Gaia DR2
33365058944
HD
208546
Distance
264.55
Distance ly
862.96
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21555+5232 STT 456 CD 2007 11 147 40.9 10.78 11.39 NL 215531.30+523115.8
21555+5232 STT 456 CD 2010 12 148 41.0 10.78 11.39 NLD 215528.78+523150.1
21555+5232 STT 456 CD 2015 14 148 40.8 10.55 10.96 L 215528.78+523150.1

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