20128+2412 BKO 804

 
 
20h 12m 50.78s +24 11' 40.3" P.A. 249 sep 3.4 mag 12.90,13.00
 
 
Coord 2000
20128+2412
Discov num
BKO 804
Comp
Coord arcsec 2000
20 12 50.78 +24 11 40.3
Date first
2001
Date last
2015
Obs
4
Pa first
247
Pa last
249
P.A. Now (θ)
249°
Sep first
3.2
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
12.90
Mag sec
13.00
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+007
Sec motion ra
-083
Pri motion dec
-044
Sec motion dec
-037
Notes
rPM=0.993
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
248.5
Precise sep
3.382
Constellation
Vulpecula
Gaia DR2
17225147776
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20128+2412 BKO 804 2009 1 249 2.7 12.90 13.00 201250.78+241140.3
20128+2412 BKO 804 2014 3 248 3.4 12.90 13.00 201250.78+241140.3
20128+2412 BKO 804 2015 4 249 3.4 12.90 13.00 201250.78+241140.3

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