19593+4546 HDS 2846 AB (HD 189684)

 
 
19h 59m 20.42s +45° 46' 21.3" P.A. 236.00 sep 0.8 mag 6.08,8.74 Sp A5III dist. 138.89 pc (453.06 l.y.)
 
 
Coord 2000 19593+4546 Discov num HDS2846 Comp AB Coord arcsec 2000 19 59 20.42 +45 46 21.3
Date first 1991 Date last 2014 Obs 7
Pa first 207 Pa last 235.5 P.A. Now (θ) 235.5°
Sep first 0.3 Sep last 0.779 Sep. Now (ρ) 0.779"
Mag pri 6.08 Mag sec 8.74 delta mag (ΔM) 2.66 Spectral class A5III (white)
Pri motion ra +012 Sec motion ra
Pri motion dec -017 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19593+4546 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 49058 19 59 20 +45 46 21 GII 287 Aa,Ab 2014 1 119 0.1 6.80 6.80 0.00
Show HD 189684 49058 19 59 20 +45 46 21 HDS 2846 AB 2014 7 236 0.8 6.08 8.74 2.66 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189684 Constellation Cygnus SAO 49058 HIP 98383
Tycho2 3558-02565-1 HD 189684 HR 7646 GC 27709
BD BD+45 3025 Distance 138.89 Distance ly 453.06