20169+1303 ABH 137AG

 
 
20h 16m 56.72s +13 02' 42.6" P.A. 112 sep 118 mag 11.83,15.13 Sp G8IIIb
 
 
Coord 2000
20169+1303
Discov num
ABH 137
Comp
AG
Coord arcsec 2000
20 16 56.72 +13 02 42.6
Date first
1987
Date last
2015
Obs
10
Pa first
112
Pa last
112
P.A. Now (θ)
112°
Sep first
118.4
Sep last
118.0
Sep. Now (ρ)
118"
Mag pri
11.83
Mag sec
15.13
delta mag (ΔM)
3.3
Spectral class
G8IIIb (yellow)
Pri motion ra
+002
Sec motion ra
-005
Pri motion dec
+001
Sec motion dec
-013
Notes
U (Proper motion indicates non-physical)
rPM=1.124
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
111.8
Precise sep
117.98
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 ABH 137 AG 2006 4 112 117.9 12.22 15.10 G8IIIb D 201656.72+130242.6
20169+1303 ABH 137 AG 2015 6 112 118.0 11.83 15.13 G8IIIb U 201656.72+130242.6

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