20496+5008 ES   94BC

 
 
20h 49m 40.39s +50 09' 17.0" P.A. 79 sep 2.6 mag 10.45,11.00 Sp F7V:
 
 
Coord 2000
20496+5008
Discov num
ES   94
Comp
BC
Coord arcsec 2000
20 49 40.39 +50 09 17.0
Date first
1901
Date last
2003
Obs
5
Pa first
80
Pa last
79
P.A. Now (θ)
79°
Sep first
2.4
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
10.45
Mag sec
11.00
delta mag (ΔM)
0.55
Spectral class
F7V: (yellow-white)
Pri motion ra
+031
Sec motion ra
Pri motion dec
+014
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20496+5008 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20496+5008 ES 94 AB 1899 2012 11 15 102.7 6.78 10.45 3.67
Show 20496+5008 GUI 34 AD 1899 2012 6 58 86.9 6.78 10.75 3.97
Show 20496+5008 ES 94 BC 1901 2003 5 79 2.6 10.45 11.00 0.55 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
78.9
Precise sep
2.62
Cdsa2 id
ES 94 BC
Constellation
Cygnus
Ra deg
20.82788611111111
De deg
50.15472222222222
last precise pa
78.9
last precise sep
2.62
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20496+5008 ES 94 BC 2003 5 79 2.6 9.90 10.40 N 204940.39+500917.0

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