20312+5653 RAO  22

 
 
20h 31m 12.35s +56 53' 24.1" P.A. 152.00 sep 0.2 mag 8.03,8.00 Sp F8 dist. 66.31 pc (216.3 l.y.)
 
 
Coord 2000
20312+5653
Discov num
RAO  22
Comp
Coord arcsec 2000
20 31 12.35 +56 53 24.1
Date first
2012
Date last
2015
Obs
3
Pa first
196
Pa last
152
P.A. Now (θ)
152°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
8.03
Mag sec
8.00
delta mag (ΔM)
0.03
Spectral class
F8 (yellow-white)
Pri motion ra
-165
Sec motion ra
Pri motion dec
-159
Sec motion dec
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
151.6
Precise sep
0.17
Constellation
Cygnus
SAO
32654
HIP
101234
Tycho2
3958-01268-1
Gaia DR2
73589793408
HD
195872
BD
BD+56 2440
Distance
66.31
Distance ly
216.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20312+5653 RAO 22 2012 1 196 0.2 8.70 8.80 F8 203112.36+565324.2
20312+5653 RAO 22 2013 2 164 0.2 8.03 8.00 F8 203112.35+565324.1
20312+5653 RAO 22 2015 3 152 0.2 8.03 8.00 F8 N 203112.35+565324.1

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