20239+5232 A  1428

 
 
20h 23m 51.70s +52 31' 52.4" P.A. 205 sep 0.3 mag 8.67,9.38 Sp B9 dist. 2439.02 pc (7956.08 l.y.)
 
 
Coord 2000
20239+5232
Discov num
A  1428
Comp
Coord arcsec 2000
20 23 51.70 +52 31 52.4
Date first
1906
Date last
2008
Obs
10
Pa first
217
Pa last
205
P.A. Now (θ)
205°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
8.67
Mag sec
9.38
delta mag (ΔM)
0.71
Spectral class
B9 (blue-white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
205.3
Precise sep
0.331
Constellation
Cygnus
SAO
32525
HIP
100588
Tycho2
3937-02123-1
Gaia DR2
10124987904
HD
194523
BD
BD+52 2698
Distance
2439.02
Distance ly
7956.08
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20239+5232 A 1428 1995 9 208 0.3 8.67 9.38 B9 D 202351.70+523152.4
20239+5232 A 1428 2008 10 205 0.3 8.67 9.38 B9 D 202351.70+523152.4

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