20221+3839 BKO 830

 
 
20h 22m 04.20s +38 38' 36.2" P.A. 91 sep 8.5 mag 12.50,13.30
 
 
Coord 2000
20221+3839
Discov num
BKO 830
Comp
Coord arcsec 2000
20 22 04.20 +38 38 36.2
Date first
1998
Date last
2015
Obs
4
Pa first
93
Pa last
91
P.A. Now (θ)
91°
Sep first
8.5
Sep last
8.5
Sep. Now (ρ)
8.5"
Mag pri
12.50
Mag sec
13.30
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
-004
Sec motion ra
-006
Pri motion dec
-005
Sec motion dec
+012
Notes
rPM=1.276
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
91
Precise sep
8.481
Constellation
Cygnus
SAO
69901
Tycho2
3152-01261-1
Gaia DR2
2061179342508617472
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20221+3839 BKO 830 2009 1 94 8.3 12.50 13.30 202204.20+383836.2
20221+3839 BKO 830 2015 4 91 8.5 12.50 13.30 202204.20+383836.2

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