20203+2331 BKO 644

 
 
20h 20m 15.67s +23 30' 41.8" P.A. 280.00 sep 5.6 mag 13.50,14.00
 
 
Coord 2000
20203+2331
Discov num
BKO 644
Comp
Coord arcsec 2000
20 20 15.67 +23 30 41.8
Date first
2000
Date last
2015
Obs
8
Pa first
281
Pa last
280
P.A. Now (θ)
280°
Sep first
5.6
Sep last
5.6
Sep. Now (ρ)
5.6"
Mag pri
13.50
Mag sec
14.00
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+012
Sec motion ra
Pri motion dec
+012
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
280.1
Precise sep
5.558
Constellation
Vulpecula
Gaia DR2
03137616512
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20203+2331 BKO 644 2008 1 279 5.6 13.50 14.00 202015.67+233041.8
20203+2331 BKO 644 2015 4 280 5.6 13.50 14.00 202015.67+233041.8

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