20101+3728 ES 2186

 
 
20h 10m 02.93s +37 28' 26.5" P.A. 192 sep 4.7 mag 10.07,13.60 Sp K2
 
 
Coord 2000
20101+3728
Discov num
ES 2186
Comp
Coord arcsec 2000
20 10 02.93 +37 28 26.5
Date first
1925
Date last
2015
Obs
3
Pa first
186
Pa last
192
P.A. Now (θ)
192°
Sep first
3.8
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
10.07
Mag sec
13.60
delta mag (ΔM)
3.53
Spectral class
K2 (yellow-orange)
Pri motion ra
-004
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
191.8
Precise sep
4.668
Constellation
Cygnus
Tycho2
2683-00017-1
Gaia DR2
47833199744
HD
228061
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20101+3728 ES 2186 1925 1 186 3.8 10.07 13.60 201002.93+372826.5
20101+3728 ES 2186 2011 2 196 5.0 10.07 13.60 201002.93+372826.5
20101+3728 ES 2186 2015 3 192 4.7 10.07 13.60 K2 201002.93+372826.5

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