20414+4758 SKF2394AC

 
 
20h 41m 24.21s +47 59' 40.6" P.A. 76 sep 3.5 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
2003
Obs
4
Pa first
68
Pa last
76
P.A. Now (θ)
76°
Sep first
2.9
Sep last
3.5
Sep. Now (ρ)
3.5"
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
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 1991 4 290 1.5 11.46 12.03 0.57
Show 20414+4758 SKF2394 AC 2000 2003 4 76 3.5 11.46 13.00 1.54 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
75.6
Precise sep
3.537
Constellation
Cygnus
last precise pa
75.6
last precise sep
3.537
 
 
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

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