20218+2337 POU4401

 
 
20h 21m 49.19s +23 37' 10.1" P.A. 154 sep 17.6 mag 12.90,14.30
 
 
Coord 2000
20218+2337
Discov num
POU4401
Comp
Coord arcsec 2000
20 21 49.19 +23 37 10.1
Date first
1898
Date last
2015
Obs
7
Pa first
159
Pa last
154
P.A. Now (θ)
154°
Sep first
18.0
Sep last
17.6
Sep. Now (ρ)
17.6"
Mag pri
12.90
Mag sec
14.30
delta mag (ΔM)
1.4
Spectral class
Pri motion ra
-027
Sec motion ra
-001
Pri motion dec
-014
Sec motion dec
-007
Notes
rPM=0.885
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
154.3
Precise sep
17.598
Constellation
Vulpecula
Gaia DR2
66335707392
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20218+2337 POU4401 1898 1 339 18.0 12.90 14.30 202149.73+233654.2
20218+2337 POU4401 2000 2 154 17.6 12.90 14.30 D 202149.19+233710.1
20218+2337 POU4401 2001 3 155 17.6 12.90 14.30 D 202149.19+233710.1
20218+2337 POU4401 2015 7 154 17.6 12.90 14.30 202149.19+233710.1

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