20210+3525 POP 129DE

 
 
20h 20m 55.31s +35 24' 24.0" P.A. 258 sep 13.6 mag 12.06,12.98
 
 
Coord 2000
20210+3525
Discov num
POP 129
Comp
DE
Coord arcsec 2000
20 20 55.31 +35 24 24.0
Date first
1980
Date last
2002
Obs
3
Pa first
260
Pa last
258
P.A. Now (θ)
258°
Sep first
13.1
Sep last
13.6
Sep. Now (ρ)
13.6"
Mag pri
12.06
Mag sec
12.98
delta mag (ΔM)
0.92
Spectral class
Pri motion ra
-033
Sec motion ra
-035
Pri motion dec
-054
Sec motion dec
-052
Notes
rPM=0.045 (< 0.3, Physical double)
This double is physical.
 
 
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 2002 4 289 55.7 10.70 11.86 1.16
Show 20210+3525 POP 129 AD 1945 2002 5 215 81.9 10.70 12.06 1.36
Show 20210+3525 POP 129 BC 1945 2002 5 32 6.1 13.10 13.50 0.40
Show 20210+3525 POP 129 DE 1980 2002 3 258 13.6 12.06 12.98 0.92 <===
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
258.2
Precise sep
13.552
Cdsa2 id
POP 129 DE
Constellation
Cygnus
Ra deg
20.34869722222222
De deg
35.406666666666666
last precise pa
258.2
last precise sep
13.552
 
 
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 DE 1998 2 258 13.6 12.06 14.10 D 202055.31+352424.0
20210+3525 POP 129 DE 2002 3 258 13.6 12.06 14.10 D 202055.31+352424.0
20210+3525 POP 129 DE 2010 4 258 13.5 12.06 12.98 202055.31+352424.0

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