20278+3447 COU2131AB

 
 
20h 27m 50.99s +34 47' 10.4" P.A. 280 sep 1.1 mag 10.23,10.26
 
 
Coord 2000
20278+3447
Discov num
COU2131
Comp
AB
Coord arcsec 2000
20 27 50.99 +34 47 10.4
Date first
1982
Date last
2008
Obs
3
Pa first
288
Pa last
280
P.A. Now (θ)
280°
Sep first
0.9
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
10.23
Mag sec
10.26
delta mag (ΔM)
0.03
Spectral class
Pri motion ra
+014
Sec motion ra
+014
Pri motion dec
+010
Sec motion dec
+010
Notes
Nature of this double is uncertain.
 
 
20278+3447 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20278+3447 GII 86 Aa,Ab 2014 2014 1 113 0.4 10.20 14.00 3.80
Show 20278+3447 COU2131 AB 1982 2008 3 280 1.1 10.23 10.26 0.03 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
279.8
Precise sep
1.052
Constellation
Cygnus
Tycho2
2693-01106-1
Gaia DR2
37583560960
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20278+3447 COU2131 AB 2008 3 280 1.1 10.23 10.26 202750.99+344710.4

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