20289+5655 STI2535AB

 
 
20h 28m 52.84s +56 55' 23.0" P.A. 227 sep 13.6 mag 9.73,10.57 Sp K0
 
 
Coord 2000
20289+5655
Discov num
STI2535
Comp
AB
Coord arcsec 2000
20 28 52.84 +56 55 23.0
Date first
1899
Date last
2015
Obs
14
Pa first
229
Pa last
227
P.A. Now (θ)
227°
Sep first
13.4
Sep last
13.6
Sep. Now (ρ)
13.6"
Mag pri
9.73
Mag sec
10.57
delta mag (ΔM)
0.84
Spectral class
K0 (yellow-orange)
Pri motion ra
+022
Sec motion ra
+022
Pri motion dec
+039
Sec motion dec
+038
Notes
W
rPM=0.022 (< 0.3, Physical double)
This double is physical.
 
 
20289+5655 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20289+5655 STI2535 AB 1899 2015 14 227 13.6 9.73 10.57 0.84 <===
Show 20289+5655 TOB 187 AC 1983 2015 12 132 26.9 9.73 11.34 1.61
Show 20289+5655 TOB 187 AD 1983 2015 9 189 31.2 9.73 11.80 2.07
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
226.9
Precise sep
13.611
Constellation
Cygnus
SAO
32618
Tycho2
3958-00952-1
Gaia DR2
44058553728
HD
239426
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20289+5655 STI2535 AB 2002 5 227 13.7 9.73 10.57 K0 D 202852.84+565523.0
20289+5655 STI2535 AB 2003 6 227 13.6 9.73 10.57 K0 D 202852.84+565523.0
20289+5655 STI2535 AB 2012 7 227 13.8 9.73 10.57 K0 D 202852.84+565523.0
20289+5655 STI2535 AB 2013 8 226 13.7 9.73 10.57 K0 202852.84+565523.0
20289+5655 STI2535 AB 2015 9 227 13.6 9.73 10.57 K0 W 202852.84+565523.0

If you need more information about this double, apply for a data request form to the WDS.