20232+4046 ES 1677

 
 
20h 23m 10.46s +40 45' 52.3" P.A. 270 sep 7.4 mag 9.72,11.90 Sp B
 
 
Coord 2000
20232+4046
Discov num
ES 1677
Comp
Coord arcsec 2000
20 23 10.46 +40 45 52.3
Date first
1917
Date last
2015
Obs
9
Pa first
268
Pa last
270
P.A. Now (θ)
270°
Sep first
6.8
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
9.72
Mag sec
11.90
delta mag (ΔM)
2.18
Spectral class
B (blue-white)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
269.6
Precise sep
7.389
Constellation
Cygnus
SAO
49563
Tycho2
3156-00972-1
Gaia DR2
85121916544
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20232+4046 ES 1677 2003 3 270 7.3 9.72 11.90 B D 202310.46+404552.3
20232+4046 ES 1677 2015 5 269 7.4 9.72 11.90 B 202310.46+404552.3

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