20413+3012 ARY  28AB

 
 
20h 41m 18.26s +30 11' 28.5" P.A. 332.00 sep 62.8 mag 8.24,9.44 Sp G5V dist. 55.46 pc (180.91 l.y.)
 
 
Coord 2000
20413+3012
Discov num
ARY  28
Comp
AB
Coord arcsec 2000
20 41 18.26 +30 11 28.5
Date first
1959
Date last
2015
Obs
8
Pa first
342
Pa last
332
P.A. Now (θ)
332°
Sep first
55.1
Sep last
62.8
Sep. Now (ρ)
62.8"
Mag pri
8.24
Mag sec
9.44
delta mag (ΔM)
1.2
Spectral class
G5V (yellow)
Pri motion ra
+234
Sec motion ra
+008
Pri motion dec
-040
Sec motion dec
+015
Notes
rPM=0.98
This double is not physical.
 
 
20413+3012 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 70368 20413+3012 ARY 28 AB 1959 2015 8 332 62.8 8.24 9.44 1.20 <===
Show 70368 20413+3012 ARY 28 AC 1894 2015 11 35 102.2 8.24 9.87 1.63
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
331.7
Precise sep
62.798
Constellation
Cygnus
SAO
70368
HIP
102081
Tycho2
2686-00150-1
Gaia DR2
09858554624
HD
197207
BD
BD+29 4135
Distance
55.46
Distance ly
180.91
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20413+3012 ARY 28 AB 2002 5 334 60.4 8.24 9.44 D 204118.10+301128.9
20413+3012 ARY 28 AB 2012 7 332 62.2 8.24 9.44 D 204118.10+301128.9
20413+3012 ARY 28 AB 2015 8 332 62.8 8.24 9.44 G5V 204118.26+301128.5

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