20317+3005 ARY  46AB

 
 
20h 31m 43.19s +30 05' 50.0" P.A. 5 sep 91.1 mag 9.14,9.65 Sp F0
 
 
Coord 2000
20317+3005
Discov num
ARY  46
Comp
AB
Coord arcsec 2000
20 31 43.19 +30 05 50.0
Date first
1894
Date last
2015
Obs
12
Pa first
5
Pa last
5
P.A. Now (θ)
Sep first
91.2
Sep last
91.1
Sep. Now (ρ)
91.1"
Mag pri
9.14
Mag sec
9.65
delta mag (ΔM)
0.51
Spectral class
F0 (yellow-white)
Pri motion ra
+008
Sec motion ra
+015
Pri motion dec
+000
Sec motion dec
-004
Notes
rPM=0.519
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
4.6
Precise sep
91.072
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 AB 2003 6 5 89.8 9.14 9.65 F0 D 203143.19+300550.0
20317+3005 ARY 46 AB 2013 8 5 90.8 9.14 9.65 F0 203143.19+300550.0
20317+3005 ARY 46 AB 2015 9 5 91.1 9.14 9.65 F0 203143.19+300550.0

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