19500+4509 ES 23 AD (HD 187810)

 
 
19h 49m 59.38s +45 09' 05.4" P.A. 327.00 sep 30.7 mag 8.27,10.01 Sp K0 dist. 709.22 pc (2313.48 l.y.)
 
 
Coord 2000 19500+4509 Discov num ES   23 Comp AD Coord arcsec 2000 19 49 59.38 +45 09 05.4
Date first 1892 Date last 2021 Obs 23
Pa first 328 Pa last 326.8 P.A. Now (θ) 326.8°
Sep first 30.6 Sep last 30.72 Sep. Now (ρ) 30.72"
Mag pri 8.27 Mag sec 10.01 delta mag (ΔM) 1.74 Spectral class K0 (yellow-orange)
Pri motion ra -008 Sec motion ra -006
Pri motion dec -008 Sec motion dec -007
Notes Z (Parallax indicates components are physical)
rPM=0.198 (< 0.3, Physical double)
This double is physical.
 
 
19500+4509 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 48880 19 49 59 +45 09 05 ES 23 AB 2021 16 136 8.6 8.27 12.60 4.33
Show 48880 19 49 59 +45 09 05 ES 23 AC 2015 8 97 13.1 8.27 15.00 6.73
Show HD 187810 48880 19 49 59 +45 09 05 ES 23 AD 2021 23 327 30.7 8.27 10.01 1.74 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 187810 Constellation Cygnus SAO 48880 HIP 97576
Tycho2 3557-00108-1 Gaia DR2 2079343480758592256 HD 187810 BD BD+44 3264
Distance 709.22 Distance ly 2313.48