20169+1303 J  1879AB

 
 
20h 16m 56.72s +13 02' 42.6" P.A. 233 sep 11.4 mag 11.83,11.95 Sp G8IIIb
 
 
Coord 2000
20169+1303
Discov num
J  1879
Comp
AB
Coord arcsec 2000
20 16 56.72 +13 02 42.6
Date first
1903
Date last
2016
Obs
14
Pa first
217
Pa last
233
P.A. Now (θ)
233°
Sep first
7.9
Sep last
11.4
Sep. Now (ρ)
11.4"
Mag pri
11.83
Mag sec
11.95
delta mag (ΔM)
0.12
Spectral class
G8IIIb (yellow)
Pri motion ra
+002
Sec motion ra
-042
Pri motion dec
+001
Sec motion dec
-012
Notes
U (Proper motion indicates non-physical)
rPM=1.05
This double is not physical.
 
 
20169+1303 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20169+1303 J 1879 AB 1903 2016 14 233 11.4 11.83 11.95 0.12 <===
Show 20169+1303 J 1879 AC 1941 2016 11 272 13.7 11.83 14.00 2.17
Show 20169+1303 ABH 137 AD 1987 2015 10 43 25.6 11.83 15.70 3.87
Show 20169+1303 ABH 137 AE 1987 2015 10 289 86.0 11.83 13.91 2.08
Show 20169+1303 ABH 137 AF 1987 2015 10 38 81.8 11.83 15.60 3.77
Show 20169+1303 ABH 137 AG 1987 2015 10 112 118.0 11.83 15.13 3.30
Septuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
233.4
Precise sep
11.369
Constellation
Delphinus
Gaia DR2
42462462080
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20169+1303 J 1879 AB 2006 7 233 10.9 12.22 13.70 G8IIIb D 201656.72+130242.6
20169+1303 J 1879 AB 2010 9 235 10.2 11.83 11.95 G8IIIb U 201656.72+130242.6
20169+1303 J 1879 AB 2016 9 233 11.4 11.83 11.95 G8IIIb U 201656.72+130242.6

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