20161+1553 BKO 556AC

 
 
20h 16m 08.72s +15 52' 48.5" P.A. 313 sep 10.2 mag 13.65,15.00
 
 
Coord 2000
20161+1553
Discov num
BKO 556
Comp
AC
Coord arcsec 2000
20 16 08.72 +15 52 48.5
Date first
1998
Date last
2015
Obs
7
Pa first
313
Pa last
313
P.A. Now (θ)
313°
Sep first
10.2
Sep last
10.2
Sep. Now (ρ)
10.2"
Mag pri
13.65
Mag sec
15.00
delta mag (ΔM)
1.35
Spectral class
Pri motion ra
+007
Sec motion ra
-015
Pri motion dec
-028
Sec motion dec
+008
Notes
N (See Notes)
rPM=1.462
This double is not physical.
 
 
20161+1553 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20161+1553 CHE 254 AB 1910 2015 9 133 26.6 13.65 13.29 0.36
Show 20161+1553 BKO 556 AC 1998 2015 7 313 10.2 13.65 15.00 1.35 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
312.6
Precise sep
10.206
Constellation
Delphinus
Gaia DR2
74964835840
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20161+1553 BKO 556 AC 2008 1 313 10.3 10.45 13.50 N 201608.72+155248.6
20161+1553 BKO 556 AC 2010 4 312 9.7 13.65 15.00 N 201608.72+155248.5
20161+1553 BKO 556 AC 2015 4 313 10.2 13.65 15.00 N 201608.72+155248.5

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