20193+3635 AG  253AB

 
 
20h 19m 18.43s +36° 35' 08.5" P.A. 118.00 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
31
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
-002
Sec motion ra
-003
Pri motion dec
-018
Sec motion dec
-018
Notes
N T (See Notes, Parallax indicates physical)
rPM=0.055 (< 0.3, Physical double)
This double is physical.
 
 
20193+3635 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 69829 20 19 18 +36 35 08 AG 253 AB 2018 31 118 9.8 9.38 9.85 0.47 <===
Show 69829 20 19 18 +36 35 08 AG 253 AC 2015 13 268 171.9 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
2057539993381925248
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
20193+3635 AG 253 AB 2018 29 118 9.8 9.38 9.85 G5+G8III N 201918.43+363508.5

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