20496+5008 ES   94AB

 
 
20h 49m 37.68s +50 07' 37.5" P.A. 15 sep 102.7 mag 6.78,10.45 Sp M3II-III dist. 411.52 pc (1342.38 l.y.)
 
 
Coord 2000
20496+5008
Discov num
ES   94
Comp
AB
Coord arcsec 2000
20 49 37.68 +50 07 37.5
Date first
1899
Date last
2012
Obs
11
Pa first
13
Pa last
15
P.A. Now (θ)
15°
Sep first
101.2
Sep last
102.7
Sep. Now (ρ)
102.7"
Mag pri
6.78
Mag sec
10.45
delta mag (ΔM)
3.67
Spectral class
M3II-III (red)
Pri motion ra
-013
Sec motion ra
+038
Pri motion dec
+005
Sec motion dec
+014
Notes
N (See Notes)
rPM=1.279
This double is not physical.
 
 
20496+5008 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 50116 20496+5008 ES 94 AB 1899 2012 11 15 102.7 6.78 10.45 3.67 <===
Show 50116 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
14.8
Precise sep
102.7
Constellation
Cygnus
SAO
50116
HIP
102804
Tycho2
3583-01165-1
HD
198624
BD
BD+49 3386
Distance
411.52
Distance ly
1342.38
last precise pa
14.8
last precise sep
102.7
 
 
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 AB 2002 9 16 102.7 6.78 10.45 M3II-III N D 204937.68+500737.5
20496+5008 ES 94 AB 2003 10 15 103.7 6.78 10.45 M3II-III N D 204937.68+500737.5
20496+5008 ES 94 AB 2012 11 15 102.7 6.78 10.45 M3II-III N D 204937.68+500737.5

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