19448+2916 ISM 4 Aa,Ab

 
 
19h 44m 48.74s +29 15' 52.9" P.A. 167.00 sep 0.0 mag 7.00,8.00 Sp F2Iab+B8V dist. 787.4 pc (2568.5 l.y.)
 
 
Coord 2000 19448+2916 Discov num ISM   4 Comp Aa,Ab Coord arcsec 2000 19 44 48.74 +29 15 52.9
Date first 1949 Date last 1988 Obs 4
Pa first 119 Pa last 166.7 P.A. Now (θ) 166.7°
Sep first 0.1 Sep last 0.041 Sep. Now (ρ) 0.041"
Mag pri 7.00 Mag sec 8.00 delta mag (ΔM) 1 Spectral class F2Iab+B8V (yellow-white/blue-white)
Pri motion ra +000 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
19448+2916 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 87659 19 44 49 +29 15 53 ISM 4 Aa,Ab 1988 4 167 0.0 7.00 8.00 1.00 <===
Show SU Cyg 87659 19 44 49 +29 15 53 WRH 23 AE 2015 10 289 24.8 7.03 10.54 3.51
Show 87659 19 44 49 +29 15 53 WRH 23 AF 2015 9 18 71.1 7.03 10.88 3.85
Show 87659 19 44 49 +29 15 53 WRH 23 AG 2015 9 88 75.9 7.03 10.21 3.18
Show 87659 19 44 49 +29 15 53 EVS 42 AH 2015 2 87 25.4 6.90 16.90 10.00
Show 87659 19 44 49 +29 15 53 KRV 40 AI 2015 1 34 42.4 6.90 19.20 12.30
Septuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name SU Cyg Constellation Cygnus SAO 87659 HIP 97150
Tycho2 2151-05896-1 Gaia DR2 2031776202613700480 HD 186688 HR 7518
BD BD+28 3460 Distance 787.4 Distance ly 2568.5