19396+2945 STF 2557 AB (HD 185756)

 
 
19h 39m 35.20s +29 44' 55.5" P.A. 103.00 sep 11.0 mag 7.49,10.23 Sp B8Vn dist. 315.46 pc (1029.03 l.y.)
 
 
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 2015 Obs 33
Pa first 105 Pa last 102.9 P.A. Now (θ) 102.9°
Sep first 11.4 Sep last 11.018 Sep. Now (ρ) 11.018"
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 wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 185756 87522 19 39 35 +29 44 56 STF 2557 AB 2015 33 103 11.0 7.49 10.23 2.74 <===
Show 87522 19 39 35 +29 44 56 BU 54 AC 2015 19 304 21.8 7.49 11.30 3.81
Show 87522 19 39 35 +29 44 56 ABH 124 AD 2015 15 147 47.8 7.49 10.63 3.14
Show 87522 19 39 35 +29 44 56 ABH 124 AE 2015 13 164 65.7 7.49 12.72 5.23
Show 87522 19 39 35 +29 44 56 ABH 124 AF 2015 16 180 89.2 7.49 10.39 2.90
Show 87522 19 39 35 +29 44 56 ABH 124 AG 2015 11 229 39.4 7.49 12.92 5.43
Show 87522 19 39 35 +29 44 56 ABH 124 AH 2015 15 92 103.6 7.49 10.54 3.05
Show 87522 19 39 35 +29 44 56 ABH 124 AI 2015 15 116 100.5 7.49 12.10 4.61
Show 87522 19 39 35 +29 44 56 BKO 77 AJ 2015 10 124 27.9 7.49 14.00 6.51
Show 87522 19 39 35 +29 44 56 BKO 77 AK 2015 10 97 69.2 7.49 14.60 7.11
Show 87522 19 39 35 +29 44 56 BKO 77 AL 2015 10 220 30.0 7.49 15.00 7.51
Show 87522 19 39 35 +29 44 56 BKO 77 AM 2015 8 120 111.9 7.49 15.30 7.81
13-fold system
13 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 185756 Constellation Cygnus SAO 87522 HIP 96709
Tycho2 2150-02662-1 Gaia DR2 2032426735530782592 HD 185756 GC 27207
BD BD+29 3686 Distance 315.46 Distance ly 1029.03