20281+4815 ES  803

 
 
20h 28m 07.09s +48 14' 54.3" P.A. 351 sep 6.1 mag 8.37,11.60 Sp A0
 
 
Coord 2000
20281+4815
Discov num
ES  803
Comp
Coord arcsec 2000
20 28 07.09 +48 14 54.3
Date first
1903
Date last
2015
Obs
7
Pa first
350
Pa last
351
P.A. Now (θ)
351°
Sep first
4.9
Sep last
6.1
Sep. Now (ρ)
6.1"
Mag pri
8.37
Mag sec
11.60
delta mag (ΔM)
3.23
Spectral class
A0 (white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
351.4
Precise sep
6.139
Constellation
Cygnus
SAO
49665
Tycho2
3577-01571-1
Gaia DR2
80354573568
HD
195228
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20281+4815 ES 803 2000 3 351 6.2 8.37 11.60 A0 D 202807.09+481454.3
20281+4815 ES 803 2015 4 351 6.2 8.37 11.60 A0 202807.09+481454.3

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