20317+3005 ARY  46AC

 
 
20h 31m 43.19s +30 05' 50.0" P.A. 92 sep 146.6 mag 9.14,10.79 Sp F0
 
 
Coord 2000
20317+3005
Discov num
ARY  46
Comp
AC
Coord arcsec 2000
20 31 43.19 +30 05 50.0
Date first
1894
Date last
2015
Obs
12
Pa first
92
Pa last
92
P.A. Now (θ)
92°
Sep first
147.0
Sep last
146.6
Sep. Now (ρ)
146.6"
Mag pri
9.14
Mag sec
10.79
delta mag (ΔM)
1.65
Spectral class
F0 (yellow-white)
Pri motion ra
+008
Sec motion ra
+003
Pri motion dec
+000
Sec motion dec
+000
Notes
rPM=0.625
Nature of this double is uncertain.
 
 
20317+3005 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20317+3005 ARY 46 AB 1894 2015 12 5 91.1 9.14 9.65 0.51
Show 20317+3005 ARY 46 AC 1894 2015 12 92 146.6 9.14 10.79 1.65 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
91.6
Precise sep
146.558
Constellation
Cygnus
SAO
88805
Tycho2
2685-01851-1
Gaia DR2
24659882624
HD
334564
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20317+3005 ARY 46 AC 2002 6 91 147.1 9.14 10.79 D 203143.19+300550.0
20317+3005 ARY 46 AC 2013 8 92 146.4 9.14 10.79 F0 203143.19+300550.0
20317+3005 ARY 46 AC 2015 9 92 146.6 9.14 10.79 F0 203143.19+300550.0

If you need more information about this double, apply for a data request form to the WDS.