20230+3913 STTA206AB

 
 
20h 22m 57.65s +39 12' 39.7" P.A. 256 sep 43.6 mag 6.72,8.63 Sp B6III dist. 869.57 pc (2836.54 l.y.)
 
 
Coord 2000
20230+3913
Discov num
STTA206
Comp
AB
Coord arcsec 2000
20 22 57.65 +39 12 39.7
Date first
1876
Date last
2017
Obs
33
Pa first
257
Pa last
256
P.A. Now (θ)
256°
Sep first
42.7
Sep last
43.6
Sep. Now (ρ)
43.6"
Mag pri
6.72
Mag sec
8.63
delta mag (ΔM)
1.91
Spectral class
B6III (blue-white)
Pri motion ra
+002
Sec motion ra
-003
Pri motion dec
+000
Sec motion dec
-005
Notes
N (See Notes)
rPM=1.213
This double is not physical.
 
 
20230+3913 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20230+3913 STTA206 AB 1876 2017 33 256 43.6 6.72 8.63 1.91 <===
Show 20230+3913 STTA206 AD 1895 2013 8 260 24.8 6.72 11.00 4.28
Show 20230+3913 SEI1107 BC 1895 2015 11 69 19.3 8.63 10.60 1.97
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
255.9
Precise sep
43.611
Constellation
Cygnus
SAO
69929
HIP
100518
Tycho2
3152-01826-1
Gaia DR2
04309051904
HD
194206
BD
BD+38 4051
Distance
869.57
Distance ly
2836.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20230+3913 STTA206 AB 2007 26 255 43.5 6.72 8.63 B6III N D 202257.65+391239.7
20230+3913 STTA206 AB 2010 27 255 43.4 6.72 8.63 B6III N D 202257.65+391239.7
20230+3913 STTA206 AB 2012 29 255 43.3 6.72 8.63 B6III N D 202257.65+391239.7
20230+3913 STTA206 AB 2013 31 256 44.2 6.72 8.63 B6III N D 202257.65+391239.7
20230+3913 STTA206 AB 2017 32 256 43.6 6.72 8.63 B6III N 202257.65+391239.7

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