20389+6405 ES 1918

 
 
20h 39m 04.56s +64 07' 06.5" P.A. 287 sep 2.7 mag 10.01,10.80
 
 
Coord 2000
20389+6405
Discov num
ES 1918
Comp
Coord arcsec 2000
20 39 04.56 +64 07 06.5
Date first
1921
Date last
2007
Obs
6
Pa first
283
Pa last
287
P.A. Now (θ)
287°
Sep first
2.6
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
10.01
Mag sec
10.80
delta mag (ΔM)
0.79
Spectral class
Pri motion ra
+025
Sec motion ra
-018
Pri motion dec
-008
Sec motion dec
+005
Notes
rPM=1.711
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
287.1
Precise sep
2.73
Constellation
Cepheus
Tycho2
4254-00018-1
Gaia DR2
81361655424
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20389+6405 ES 1918 2007 4 287 2.7 10.01 10.80 203904.56+640706.5

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