20306+3138 RAO 437

 
 
20h 30m 37.92s +31 37' 45.1" P.A. 66.00 sep 3.1 mag 14.00,17.50
 
 
Coord 2000
20306+3138
Discov num
RAO 437
Comp
Coord arcsec 2000
20 30 37.92 +31 37 45.1
Date first
2016
Date last
2016
Obs
1
Pa first
66
Pa last
66
P.A. Now (θ)
66°
Sep first
3.1
Sep last
3.1
Sep. Now (ρ)
3.1"
Mag pri
14.00
Mag sec
17.50
delta mag (ΔM)
3.5
Spectral class
Pri motion ra
-111
Sec motion ra
Pri motion dec
-118
Sec motion dec
Notes
R (Red magnitudes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
66.2
Precise sep
3.113
Constellation
Cygnus
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20306+3138 RAO 437 2016 1 66 3.1 14.00 17.50 R 203037.92+313745.1

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