19396+2945 BKO  77AL

 
 
19h 39m 35.20s +29 44' 55.5" P.A. 220 sep 30.2 mag 7.49,15.00 Sp B8Vn
 
 
Coord 2000
19396+2945
Discov num
BKO  77
Comp
AL
Coord arcsec 2000
19 39 35.20 +29 44 55.5
Date first
1997
Date last
2012
Obs
5
Pa first
219
Pa last
220
P.A. Now (θ)
220°
Sep first
30.0
Sep last
30.2
Sep. Now (ρ)
30.2"
Mag pri
7.49
Mag sec
15.00
delta mag (ΔM)
7.51
Spectral class
B8Vn (blue-white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19396+2945 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19396+2945 STF2557 AB 1831 2012 28 102 11.0 7.49 10.23 2.74
Show 19396+2945 BU 54 AC 1876 2012 14 303 21.8 7.49 11.30 3.81
Show 19396+2945 ABH 124 AD 1895 2012 10 146 47.7 7.49 10.63 3.14
Show 19396+2945 ABH 124 AE 1895 2012 8 164 65.6 7.49 12.72 5.23
Show 19396+2945 ABH 124 AF 1900 2012 11 179 89.0 7.49 10.39 2.90
Show 19396+2945 ABH 124 AG 1988 2012 6 229 39.2 7.49 12.92 5.43
Show 19396+2945 ABH 124 AH 1895 2012 10 92 103.7 7.49 10.54 3.05
Show 19396+2945 ABH 124 AI 1895 2012 10 115 100.2 7.49 12.10 4.61
Show 19396+2945 BKO 77 AJ 1997 2012 5 123 27.6 7.49 14.00 6.51
Show 19396+2945 BKO 77 AK 1997 2012 5 96 68.9 7.49 14.60 7.11
Show 19396+2945 BKO 77 AL 1997 2012 5 220 30.2 7.49 15.00 7.51 <===
Show 19396+2945 BKO 77 AM 1997 2006 4 119 111.6 7.49 15.30 7.81
13-fold system
13 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
220
Precise sep
30.2
Constellation
Cygnus
last precise pa
220
last precise sep
30.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19396+2945 BKO 77 AL 2006 3 220 30.2 7.49 15.00 B8Vn D 193935.20+294455.5
19396+2945 BKO 77 AL 2012 5 220 30.2 7.49 15.00 B8Vn D 193935.20+294455.5

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