20105+4923 ES 1099

 
 
20h 10m 33.17s +49 22' 43.0" P.A. 186 sep 4.9 mag 10.00,11.00
 
 
Coord 2000
20105+4923
Discov num
ES 1099
Comp
Coord arcsec 2000
20 10 33.17 +49 22 43.0
Date first
1910
Date last
2018
Obs
12
Pa first
183
Pa last
186
P.A. Now (θ)
186°
Sep first
4.9
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
10.00
Mag sec
11.00
delta mag (ΔM)
1
Spectral class
Pri motion ra
-016
Sec motion ra
Pri motion dec
-119
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
185.9
Precise sep
4.932
Constellation
Cygnus
Tycho2
3567-00978-1
Gaia DR2
75833525376
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20105+4923 ES 1099 2006 6 184 6.6 10.00 11.00 D 201033.17+492243.0
20105+4923 ES 1099 2015 9 186 4.8 10.00 11.00 N 201033.17+492243.0
20105+4923 ES 1099 2018 10 187 4.8 10.00 11.00 N 201033.17+492243.0

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