20311+2356 POU4551

 
 
20h 31m 05.92s +23 55' 45.2" P.A. 24 sep 4 mag 12.90,14.50
 
 
Coord 2000
20311+2356
Discov num
POU4551
Comp
Coord arcsec 2000
20 31 05.92 +23 55 45.2
Date first
1899
Date last
2015
Obs
4
Pa first
32
Pa last
24
P.A. Now (θ)
24°
Sep first
6.6
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
12.90
Mag sec
14.50
delta mag (ΔM)
1.6
Spectral class
Pri motion ra
+007
Sec motion ra
Pri motion dec
+014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
24.2
Precise sep
4.03
Constellation
Vulpecula
Gaia DR2
21822034304
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20311+2356 POU4551 1899 1 32 6.6 12.90 14.50 203160.00+235600.0
20311+2356 POU4551 2008 2 25 3.7 12.90 14.50 203160.00+235600.0
20311+2356 POU4551 2015 4 24 4.0 12.90 14.50 203105.92+235545.2

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