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
 
 
Constellation
Cygnus
Tycho2
2680-00708-1
last precise pa
258.2
last precise sep
13.552