20117+4943 ES  500

 
 
20h 11m 43.12s +49 43' 23.0" P.A. 346 sep 5.3 mag 9.97,10.91
 
 
Coord 2000
20117+4943
Discov num
ES  500
Comp
Coord arcsec 2000
20 11 43.12 +49 43 23.0
Date first
1899
Date last
2018
Obs
13
Pa first
347
Pa last
346
P.A. Now (θ)
346°
Sep first
6.1
Sep last
5.3
Sep. Now (ρ)
5.3"
Mag pri
9.97
Mag sec
10.91
delta mag (ΔM)
0.94
Spectral class
Pri motion ra
-003
Sec motion ra
-001
Pri motion dec
+000
Sec motion dec
-006
Notes
rPM=1.04
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
345.6
Precise sep
5.333
Constellation
Cygnus
Tycho2
3567-00157-1
Gaia DR2
71786866304
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20117+4943 ES 500 2000 5 345 5.4 9.97 10.91 D 201143.12+494323.0
20117+4943 ES 500 2010 6 345 5.4 9.97 10.91 D 201143.12+494323.0
20117+4943 ES 500 2015 9 345 5.4 9.97 10.91 201143.12+494323.0
20117+4943 ES 500 2018 10 346 5.3 9.97 10.91 201143.12+494323.0

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