20396+5450 ES  993

 
 
20h 39m 27.83s +54 48' 36.3" P.A. 194.00 sep 2.0 mag 11.29,11.42 Sp B8
 
 
Coord 2000
20396+5450
Discov num
ES  993
Comp
Coord arcsec 2000
20 39 27.83 +54 48 36.3
Date first
1910
Date last
2015
Obs
5
Pa first
290
Pa last
194
P.A. Now (θ)
194°
Sep first
2.0
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
11.29
Mag sec
11.42
delta mag (ΔM)
0.13
Spectral class
B8 (blue-white)
Pri motion ra
-008
Sec motion ra
-008
Pri motion dec
-008
Sec motion dec
-008
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
194.4
Precise sep
2.047
Constellation
Cygnus
Tycho2
3954-02336-1
Gaia DR2
07705661056
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20396+5450 ES 993 1993 4 194 2.6 11.29 11.42 203927.83+544836.3
20396+5450 ES 993 2015 5 194 2.0 11.29 11.42 B8 203927.83+544836.3

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