20282+4458 ES  661

 
 
20h 28m 11.96s +44 58' 21.8" P.A. 156 sep 6.9 mag 9.08,11.40 Sp K0
 
 
Coord 2000
20282+4458
Discov num
ES  661
Comp
Coord arcsec 2000
20 28 11.96 +44 58 21.8
Date first
1892
Date last
2015
Obs
10
Pa first
162
Pa last
156
P.A. Now (θ)
156°
Sep first
7.6
Sep last
6.9
Sep. Now (ρ)
6.9"
Mag pri
9.08
Mag sec
11.40
delta mag (ΔM)
2.32
Spectral class
K0 (yellow-orange)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
155.5
Precise sep
6.908
Constellation
Cygnus
SAO
49663
Tycho2
3164-00182-1
Gaia DR2
30227034368
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20282+4458 ES 661 2003 6 156 7.0 9.08 11.40 K0 D 202811.96+445821.8
20282+4458 ES 661 2015 7 156 7.0 9.08 11.40 K0 202811.96+445821.8

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