20157+1509 BKO 548

 
 
20h 15m 40.41s +15 09' 18.5" P.A. 65 sep 2.7 mag 13.00,13.50
 
 
Coord 2000
20157+1509
Discov num
BKO 548
Comp
Coord arcsec 2000
20 15 40.41 +15 09 18.5
Date first
2001
Date last
2015
Obs
3
Pa first
64
Pa last
65
P.A. Now (θ)
65°
Sep first
2.6
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
13.00
Mag sec
13.50
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-086
Sec motion ra
+014
Pri motion dec
-044
Sec motion dec
+004
Notes
N (See Notes)
rPM=1.148
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
65
Precise sep
2.668
Constellation
Delphinus
Gaia DR2
09357687680
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20157+1509 BKO 548 2008 1 63 2.6 13.00 13.50 N 201540.41+150918.5
20157+1509 BKO 548 2015 3 65 2.7 13.00 13.50 N 201540.41+150918.5

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