20109+3612 SEI 959

 
 
20h 10m 50.38s +36 11' 41.8" P.A. 71 sep 21.6 mag 12.52,13.29
 
 
Coord 2000
20109+3612
Discov num
SEI 959
Comp
Coord arcsec 2000
20 10 50.38 +36 11 41.8
Date first
1896
Date last
2015
Obs
10
Pa first
70
Pa last
71
P.A. Now (θ)
71°
Sep first
22.1
Sep last
21.6
Sep. Now (ρ)
21.6"
Mag pri
12.52
Mag sec
13.29
delta mag (ΔM)
0.77
Spectral class
Pri motion ra
-001
Sec motion ra
-002
Pri motion dec
-005
Sec motion dec
-007
Notes
rPM=0.307
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
70.5
Precise sep
21.561
Constellation
Cygnus
Gaia DR2
36251974400
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20109+3612 SEI 959 1896 1 70 22.1 11.00 11.00 201050.38+361141.8
20109+3612 SEI 959 2002 2 70 21.6 11.00 11.00 201050.38+361141.8
20109+3612 SEI 959 2015 4 71 21.6 12.52 13.29 201050.38+361141.8

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