20208+3922 BKO 568

 
 
20h 20m 48.80s +39 21' 29.0" P.A. 249 sep 8.1 mag 13.00,13.30
 
 
Coord 2000
20208+3922
Discov num
BKO 568
Comp
Coord arcsec 2000
20 20 48.80 +39 21 29.0
Date first
1998
Date last
2015
Obs
9
Pa first
249
Pa last
249
P.A. Now (θ)
249°
Sep first
8.1
Sep last
8.1
Sep. Now (ρ)
8.1"
Mag pri
13.00
Mag sec
13.30
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
+002
Sec motion ra
-003
Pri motion dec
+003
Sec motion dec
-003
Notes
N R (See Notes, Red magnitudes)
rPM=1.841
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
248.7
Precise sep
8.105
Constellation
Cygnus
Tycho2
3152-01528-1
Gaia DR2
43668184320
HD
193794
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20208+3922 BKO 568 2008 1 250 8.2 13.44 13.45 N 202034.04+391633.5
20208+3922 BKO 568 2010 4 249 8.3 13.00 13.30 N R 202048.80+392129.0
20208+3922 BKO 568 2015 5 249 8.1 13.00 13.30 N R 202048.80+392129.0

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