19584+2859 ES 495 AB (HD 189316)

 
 
19h 58m 23.39s +28 59' 17.5" P.A. 245.00 sep 41.5 mag 7.69,12.14 Sp B9V dist. 746.27 pc (2434.33 l.y.)
 
 
Coord 2000 19584+2859 Discov num ES  495 Comp AB Coord arcsec 2000 19 58 23.39 +28 59 17.5
Date first 1907 Date last 2015 Obs 11
Pa first 245 Pa last 244.7 P.A. Now (θ) 244.7°
Sep first 40.5 Sep last 41.511 Sep. Now (ρ) 41.511"
Mag pri 7.69 Mag sec 12.14 delta mag (ΔM) 4.45 Spectral class B9V (blue-white)
Pri motion ra +000 Sec motion ra -007
Pri motion dec -008 Sec motion dec -012
Notes
rPM=0.58
Nature of this double is uncertain.
 
 
19584+2859 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 189316 88003 19 58 23 +28 59 18 ES 495 AB 2015 11 245 41.5 7.69 12.14 4.45 <===
Show 19 58 21 +28 58 60 ES 495 BC 2015 11 319 5.1 11.10 11.80 0.70
Show 19 58 21 +28 58 60 FYM 73 BD 2015 8 122 17.9 11.10 15.00 3.90
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189316 Constellation Vulpecula SAO 88003 HIP 98302
Tycho2 2153-02601-1 Gaia DR2 2030012070534317184 HD 189316 BD BD+28 3553
Distance 746.27 Distance ly 2434.33