20414+4758 SKF2394AC

 
 
20h 41m 24.21s +47 59' 40.6" P.A. 68 sep 3 mag 11.46,13.00 Sp OB-
 
 
Coord 2000
20414+4758
Discov num
SKF2394
Comp
AC
Coord arcsec 2000
20 41 24.21 +47 59 40.6
Date first
2000
Date last
2015
Obs
5
Pa first
68
Pa last
68
P.A. Now (θ)
68°
Sep first
2.9
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
11.46
Mag sec
13.00
delta mag (ΔM)
1.54
Spectral class
OB- (blue)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
rPM=0.595
Nature of this double is uncertain.
 
 
20414+4758 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20414+4758 ES 809 AB 1909 2015 5 285 1.6 11.46 12.03 0.57
Show 20414+4758 SKF2394 AC 2000 2015 5 68 3.0 11.46 13.00 1.54 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
K0
Tycho2
1125-01972-1
last precise pa
68.3
last precise sep
3.039
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20414+4758 SKF2394 AC 2000 4 68 3.1 11.46 13.00 OB- 204124.21+475940.6
20414+4758 SKF2394 AC 2003 4 76 3.5 11.46 13.00 OB- 204124.21+475940.6
20414+4758 SKF2394 AC 2015 5 68 3.0 11.46 13.00 OB- 204124.21+475940.6

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