19396+2945 STF2557AB

 
 
19h 39m 35.20s +29 44' 55.5" P.A. 102 sep 11 mag 7.49,10.23 Sp B8Vn
 
 
Coord 2000
19396+2945
Discov num
STF2557
Comp
AB
Coord arcsec 2000
19 39 35.20 +29 44 55.5
Date first
1831
Date last
2012
Obs
28
Pa first
105
Pa last
102
P.A. Now (θ)
102°
Sep first
11.4
Sep last
11.0
Sep. Now (ρ)
11"
Mag pri
7.49
Mag sec
10.23
delta mag (ΔM)
2.74
Spectral class
B8Vn (blue-white)
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
-003
Sec motion dec
-003
Notes
U (Proper motion indicates non-physical)
This double is not physical.
 
 
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
102
Precise sep
11
Cdsa2 id
STF 2557 AB
Constellation
Cygnus
Tycho2
2150-02662-1
HD
185756
Ra deg
19.659777777777776
De deg
29.74875
last precise pa
102
last precise sep
11
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19396+2945 STF2557 AB 2006 24 102 11.0 7.49 10.23 B8Vn D 193935.20+294455.5
19396+2945 STF2557 AB 2012 27 102 11.0 7.49 10.23 B8Vn UD 193935.20+294455.5

If you need more information about this double, apply for a data request form to the WDS.