20196+3820 A  1426 (V478 Cyg)

 
 
20h 19m 38.75s +38 20' 09.2" P.A. 259 sep 3.7 mag 9.20,14.50 Sp B0V dist. 1612.9 pc (5261.28 l.y.)
 
 
Coord 2000
20196+3820
Discov num
A  1426
Comp
Coord arcsec 2000
20 19 38.75 +38 20 09.2
Date first
1906
Date last
2015
Obs
5
Pa first
259
Pa last
259
P.A. Now (θ)
259°
Sep first
3.3
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
9.20
Mag sec
14.50
delta mag (ΔM)
5.3
Spectral class
B0V (blue-white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-029
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
258.5
Precise sep
3.679
Var name
V478 Cyg
Constellation
Cygnus
SAO
69836
HIP
100227
Tycho2
3151-02222-1
Gaia DR2
13838868480
HD
193611
BD
BD+37 3890
Distance
1612.9
Distance ly
5261.28
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20196+3820 A 1426 1931 3 258 3.2 9.20 14.50 B0V N 201938.75+382009.2
20196+3820 A 1426 2006 4 258 3.6 9.20 14.50 B0V N 201938.75+382009.2
20196+3820 A 1426 2015 5 259 3.7 9.20 14.50 B0V N 201938.75+382009.2

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