19490+4423 A 718 BC

 
 
19h 49m 00.90s +44 22' 45.1" P.A. 34.00 sep 0.1 mag 8.20,8.70 Sp B8III
 
 
Coord 2000 19490+4423 Discov num A   718 Comp BC Coord arcsec 2000 19 49 00.90 +44 22 45.1
Date first 1904 Date last 2009 Obs 20
Pa first 52 Pa last 34 P.A. Now (θ) 34°
Sep first 0.3 Sep last 0.136 Sep. Now (ρ) 0.136"
Mag pri 8.20 Mag sec 8.70 delta mag (ΔM) 0.5 Spectral class B8III (blue-white)
Pri motion ra +006 Sec motion ra +006
Pri motion dec -001 Sec motion dec -001
Notes N (See Notes)
Nature of this double is uncertain.
 
 
19490+4423 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 187613 48866 19 49 01 +44 22 45 STF 2588 A,BC 2019 43 158 9.6 7.74 8.12 0.38
Show 19 49 01 +44 22 45 A 718 BC 2009 20 34 0.1 8.20 8.70 0.50 <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3148-01459-1 Gaia DR2 2078942571332155136