20168+3731 ARY  25

 
 
20h 16m 52.85s +37 31' 04.7" P.A. 293 sep 146.9 mag 8.65,8.72 Sp G9.5IIIb
 
 
Coord 2000
20168+3731
Discov num
ARY  25
Comp
Coord arcsec 2000
20 16 52.85 +37 31 04.7
Date first
1896
Date last
2015
Obs
15
Pa first
295
Pa last
293
P.A. Now (θ)
293°
Sep first
144.8
Sep last
146.9
Sep. Now (ρ)
146.9"
Mag pri
8.65
Mag sec
8.72
delta mag (ΔM)
0.07
Spectral class
G9.5IIIb (yellow)
Pri motion ra
+026
Sec motion ra
+000
Pri motion dec
+000
Sec motion dec
-005
Notes
rPM=1.018
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
293.2
Precise sep
146.867
Constellation
Cygnus
SAO
69750
Tycho2
3151-00943-1
Gaia DR2
33151845120
HD
228721
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20168+3731 ARY 25 2000 11 293 144.8 8.65 8.72 D 201652.85+373104.7
20168+3731 ARY 25 2010 12 293 146.6 8.65 8.72 D 201652.85+373104.7
20168+3731 ARY 25 2015 15 293 146.9 8.65 8.72 G9.5IIIb 201652.85+373104.7

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