20169+1303 ABH 137AF

 
 
20h 16m 56.72s +13 02' 42.6" P.A. 38 sep 81.8 mag 11.83,15.60 Sp G8IIIb
 
 
Coord 2000
20169+1303
Discov num
ABH 137
Comp
AF
Coord arcsec 2000
20 16 56.72 +13 02 42.6
Date first
1987
Date last
2015
Obs
10
Pa first
38
Pa last
38
P.A. Now (θ)
38°
Sep first
82.0
Sep last
81.8
Sep. Now (ρ)
81.8"
Mag pri
11.83
Mag sec
15.60
delta mag (ΔM)
3.77
Spectral class
G8IIIb (yellow)
Pri motion ra
+002
Sec motion ra
+004
Pri motion dec
+001
Sec motion dec
-005
Notes
U (Proper motion indicates non-physical)
rPM=0.988
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
37.9
Precise sep
81.757
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 AF 2006 3 38 81.7 12.22 15.60 G8IIIb 201656.72+130242.6
20169+1303 ABH 137 AF 2015 6 38 81.8 11.83 15.60 G8IIIb U 201656.72+130242.6

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