20124+3545 BKO 104AC

 
 
20h 12m 21.90s +35 45' 05.1" P.A. 286 sep 9.3 mag 11.90,13.80
 
 
Coord 2000
20124+3545
Discov num
BKO 104
Comp
AC
Coord arcsec 2000
20 12 21.90 +35 45 05.1
Date first
1998
Date last
2015
Obs
8
Pa first
285
Pa last
286
P.A. Now (θ)
286°
Sep first
9.2
Sep last
9.3
Sep. Now (ρ)
9.3"
Mag pri
11.90
Mag sec
13.80
delta mag (ΔM)
1.9
Spectral class
Pri motion ra
+051
Sec motion ra
-002
Pri motion dec
-029
Sec motion dec
+000
Notes
R (Red magnitudes)
rPM=1.03
This double is not physical.
 
 
20124+3545 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20124+3545 BKO 104 AB 1998 2015 8 72 9.4 11.90 11.80 0.10
Show 20124+3545 BKO 104 AC 1998 2015 8 286 9.3 11.90 13.80 1.90 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
285.5
Precise sep
9.29
Constellation
Cygnus
Gaia DR2
24352116608
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20124+3545 BKO 104 AC 2002 2 286 9.2 10.50 13.50 D 201221.81+354505.7
20124+3545 BKO 104 AC 2015 4 286 9.2 11.90 13.80 R 201221.90+354505.1

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