20189+3723 BKO 823

20h 18m 55.36s +37 22' 59.9" P.A. 201.00 sep 6.2 mag 11.90,12.90

Coord 2000
20189+3723
Discov num
BKO 823
Comp
Coord arcsec 2000
20 18 55.36 +37 22 59.9
Date first
2000
Date last
2015
Obs
10
Pa first
201
Pa last
201
P.A. Now (θ)
201°
Sep first
6.2
Sep last
6.2
Sep. Now (ρ)
6.2"
Mag pri
11.90
Mag sec
12.90
delta mag (ΔM)
1
Spectral class
Pri motion ra
-003
Sec motion ra
Pri motion dec
-027
Sec motion dec
Notes


Nature of this double is uncertain.



OTHER CATALOGS AND DESIGNATIONS

Precise pa
201.2
Precise sep
6.158
Constellation
Cygnus
SAO
69821
Gaia DR2
25649809664




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20189+3723 BKO 823 2009 1 203 6.7 11.90 12.90 201855.36+372259.9
20189+3723 BKO 823 2010 4 200 6.4 11.90 12.90 201855.36+372259.9
20189+3723 BKO 823 2015 5 201 6.2 11.90 12.90 201855.36+372259.9

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