20289+5655 TOB 187AC

 
 
20h 28m 52.84s +56 55' 23.0" P.A. 132 sep 26.9 mag 9.73,11.34 Sp K0
 
 
Coord 2000
20289+5655
Discov num
TOB 187
Comp
AC
Coord arcsec 2000
20 28 52.84 +56 55 23.0
Date first
1983
Date last
2015
Obs
12
Pa first
128
Pa last
132
P.A. Now (θ)
132°
Sep first
26.1
Sep last
26.9
Sep. Now (ρ)
26.9"
Mag pri
9.73
Mag sec
11.34
delta mag (ΔM)
1.61
Spectral class
K0 (yellow-orange)
Pri motion ra
+022
Sec motion ra
+007
Pri motion dec
+039
Sec motion dec
-023
Notes
W
rPM=1.425
This double is not 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
131.6
Precise sep
26.942
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 TOB 187 AC 1999 4 130 26.5 9.73 11.61 K0 D 202852.84+565523.0
20289+5655 TOB 187 AC 2003 5 130 26.5 9.73 11.61 K0 D 202852.84+565523.0
20289+5655 TOB 187 AC 2013 6 131 26.9 9.73 11.34 K0 202852.84+565523.0
20289+5655 TOB 187 AC 2015 8 132 26.9 9.73 11.34 K0 W 202852.84+565523.0

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