20193+3635 AG  253AB

 
 
20h 19m 18.43s +36 35' 08.5" P.A. 118 sep 9.8 mag 9.38,9.85 Sp G5+G8III
 
 
Coord 2000
20193+3635
Discov num
AG  253
Comp
AB
Coord arcsec 2000
20 19 18.43 +36 35 08.5
Date first
1896
Date last
2018
Obs
29
Pa first
119
Pa last
118
P.A. Now (θ)
118°
Sep first
9.5
Sep last
9.8
Sep. Now (ρ)
9.8"
Mag pri
9.38
Mag sec
9.85
delta mag (ΔM)
0.47
Spectral class
G5+G8III (yellow/yellow)
Pri motion ra
-003
Sec motion ra
-003
Pri motion dec
-019
Sec motion dec
-019
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20193+3635 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20193+3635 AG 253 AB 1896 2018 29 118 9.8 9.38 9.85 0.47 <===
Show 20193+3635 AG 253 AC 1896 2008 9 269 173.2 9.38 11.28 1.90
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
117.6
Precise sep
9.784
Constellation
Cygnus
SAO
69829
Tycho2
2684-01643-1
Gaia DR2
93381925248
HD
228899
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20193+3635 AG 253 AB 2004 20 117 9.4 9.38 9.85 G5 G8III D 201918.43+363508.5
20193+3635 AG 253 AB 2008 21 119 9.5 9.38 9.85 G5 G8III D 201918.43+363508.5
20193+3635 AG 253 AB 2010 24 118 9.2 9.38 9.85 G5+G8III 201918.43+363508.5
20193+3635 AG 253 AB 2015 24 118 9.5 9.38 9.85 G5+G8III N 201918.43+363508.5

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