19517+3108 STT 389 AC

 
 
19h 51m 41.33s +31 08' 16.1" P.A. 184.00 sep 12.7 mag 7.12,9.53 Sp F0IV dist. 274.73 pc (896.17 l.y.)
 
 
Coord 2000 19517+3108 Discov num STT 389 Comp AC Coord arcsec 2000 19 51 41.33 +31 08 16.1
Date first 1849 Date last 2021 Obs 27
Pa first 183 Pa last 183.7 P.A. Now (θ) 183.7°
Sep first 12.6 Sep last 12.71 Sep. Now (ρ) 12.71"
Mag pri 7.12 Mag sec 9.53 delta mag (ΔM) 2.41 Spectral class F0IV (yellow-white)
Pri motion ra -002 Sec motion ra -002
Pri motion dec -006 Sec motion dec +001
Notes N Y (See Notes, Parallax indicates components are non-physical)
rPM=1.107
This double is not physical.
 
 
19517+3108 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 187981 68974 19 51 41 +31 08 16 ES 357 AB 2021 8 309 10.1 7.12 12.40 5.28
Show 68974 19 51 41 +31 08 16 STT 389 AC 2021 27 184 12.7 7.12 9.53 2.41 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 68974 HIP 97734 Tycho2 2669-04293-1
Gaia DR2 2033506318513307264 HD 187981 BD BD+30 3779 Distance 274.73
Distance ly 896.17