20210+3525 POP 129AB

 
 
20h 20m 59.17s +35 25' 30.9" P.A. 289 sep 55.6 mag 10.70,11.86 Sp G
 
 
Coord 2000
20210+3525
Discov num
POP 129
Comp
AB
Coord arcsec 2000
20 20 59.17 +35 25 30.9
Date first
1945
Date last
2015
Obs
9
Pa first
289
Pa last
289
P.A. Now (θ)
289°
Sep first
55.9
Sep last
55.6
Sep. Now (ρ)
55.6"
Mag pri
10.70
Mag sec
11.86
delta mag (ΔM)
1.16
Spectral class
G (yellow)
Pri motion ra
-002
Sec motion ra
+002
Pri motion dec
-012
Sec motion dec
-010
Notes
rPM=0.368
Nature of this double is uncertain.
 
 
20210+3525 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20210+3525 POP 129 AB 1945 2015 9 289 55.6 10.70 11.86 1.16 <===
Show 20210+3525 POP 129 AD 1945 2015 10 215 82.5 10.70 12.06 1.36
Show 20210+3525 POP 129 BC 1945 2015 10 33 6.1 13.10 13.50 0.40
Show 20210+3525 POP 129 DE 1980 2015 8 258 13.5 12.06 12.98 0.92
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
289.2
Precise sep
55.621
Constellation
Cygnus
Tycho2
2680-01112-1
Gaia DR2
74527326080
HD
229035
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20210+3525 POP 129 AB 1998 3 289 55.6 10.70 13.20 D 202059.17+352530.9
20210+3525 POP 129 AB 2002 4 289 55.7 10.70 13.10 D 202059.17+352530.9
20210+3525 POP 129 AB 2015 5 289 55.6 10.70 11.86 G 202059.17+352530.9

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