20311+2455 POU4550

 
 
20h 31m 02.97s +24 55' 39.7" P.A. 284 sep 14 mag 11.68,13.20
 
 
Coord 2000
20311+2455
Discov num
POU4550
Comp
Coord arcsec 2000
20 31 02.97 +24 55 39.7
Date first
1899
Date last
2015
Obs
8
Pa first
292
Pa last
284
P.A. Now (θ)
284°
Sep first
14.8
Sep last
14.0
Sep. Now (ρ)
14"
Mag pri
11.68
Mag sec
13.20
delta mag (ΔM)
1.52
Spectral class
Pri motion ra
-003
Sec motion ra
+008
Pri motion dec
-001
Sec motion dec
-012
Notes
rPM=1.079
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
284.2
Precise sep
13.967
Constellation
Vulpecula
Tycho2
2161-01540-1
Gaia DR2
89600685696
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20311+2455 POU4550 1999 2 285 14.0 11.68 13.20 D 203102.97+245539.7
20311+2455 POU4550 2001 3 285 14.1 11.68 13.20 D 203102.97+245539.7
20311+2455 POU4550 2015 4 284 14.0 11.68 13.20 203102.97+245539.7

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