20197+2447 BKO 825

 
 
20h 19m 39.74s +24 46' 39.3" P.A. 249.00 sep 4.7 mag 13.30,13.80
 
 
Coord 2000
20197+2447
Discov num
BKO 825
Comp
Coord arcsec 2000
20 19 39.74 +24 46 39.3
Date first
1998
Date last
2015
Obs
5
Pa first
249
Pa last
249
P.A. Now (θ)
249°
Sep first
4.7
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
13.30
Mag sec
13.80
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+029
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
248.7
Precise sep
4.68
Constellation
Vulpecula
Gaia DR2
24032508288
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20197+2447 BKO 825 2009 1 246 4.7 13.30 13.80 201939.74+244639.3
20197+2447 BKO 825 2010 4 248 4.3 13.30 13.80 201939.74+244639.3
20197+2447 BKO 825 2015 5 249 4.7 13.30 13.80 201939.74+244639.3

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