19495+3843 ES 84 AB (HD 187638)

 
 
19h 49m 27.50s +38 42' 36.5" P.A. 158.00 sep 10.3 mag 6.22,11.10 Sp G3II-III dist. 214.59 pc (699.99 l.y.)
 
 
Coord 2000 19495+3843 Discov num ES   84 Comp AB Coord arcsec 2000 19 49 27.50 +38 42 36.5
Date first 1901 Date last 2021 Obs 12
Pa first 156 Pa last 158 P.A. Now (θ) 158°
Sep first 11.4 Sep last 10.33 Sep. Now (ρ) 10.33"
Mag pri 6.22 Mag sec 11.10 delta mag (ΔM) 4.88 Spectral class G3II-III (yellow)
Pri motion ra +008 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19495+3843 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 187638 68909 19 49 28 +38 42 36 ES 84 AB 2021 12 158 10.3 6.22 11.10 4.88 <===
Show 68909 19 49 28 +38 42 36 ES 84 AC 2021 11 94 22.1 6.22 13.20 6.98
Show 19 49 28 +38 42 26 ES 84 BC 2015 11 66 20.0 11.10 13.20 2.10
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 187638 Constellation Cygnus SAO 68909 HIP 97538
Tycho2 3136-01424-1 Gaia DR2 2073004864957474176 HD 187638 HR 7555
GC 27453 ADS 12992 BD BD+38 3772 Distance 214.59
Distance ly 699.99