20202+2351 BKO 642

 
 
20h 20m 10.16s +23 51' 27.8" P.A. 31 sep 8.5 mag 13.80,14.00
 
 
Coord 2000
20202+2351
Discov num
BKO 642
Comp
Coord arcsec 2000
20 20 10.16 +23 51 27.8
Date first
2000
Date last
2015
Obs
8
Pa first
30
Pa last
31
P.A. Now (θ)
31°
Sep first
8.6
Sep last
8.5
Sep. Now (ρ)
8.5"
Mag pri
13.80
Mag sec
14.00
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-022
Sec motion ra
Pri motion dec
+011
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
30.5
Precise sep
8.51
Constellation
Vulpecula
Gaia DR2
66294821504
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20202+2351 BKO 642 2008 1 31 8.5 13.80 14.00 202010.16+235127.8
20202+2351 BKO 642 2010 4 30 8.3 13.80 14.00 202010.16+235127.8
20202+2351 BKO 642 2015 4 31 8.4 13.80 14.00 202010.16+235127.8

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