20373+3541 ES 2251

 
 
20h 37m 15.95s +35 41' 14.5" P.A. 196.00 sep 3.6 mag 9.59,12.10 Sp A0
 
 
Coord 2000
20373+3541
Discov num
ES 2251
Comp
Coord arcsec 2000
20 37 15.95 +35 41 14.5
Date first
1926
Date last
2015
Obs
3
Pa first
192
Pa last
196
P.A. Now (θ)
196°
Sep first
4.0
Sep last
3.6
Sep. Now (ρ)
3.6"
Mag pri
9.59
Mag sec
12.10
delta mag (ΔM)
2.51
Spectral class
A0 (white)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
195.5
Precise sep
3.596
Constellation
Cygnus
Tycho2
2698-00904-1
Gaia DR2
60128717056
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20373+3541 ES 2251 1926 1 192 4.0 9.59 12.10 203715.95+354114.5
20373+3541 ES 2251 2011 2 200 3.7 9.59 12.10 203715.95+354114.5
20373+3541 ES 2251 2015 3 196 3.6 9.59 12.10 A0 203715.95+354114.5

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