20019-1733 HJ 2918 AB (HD 189679)

 
 
20h 01m 51.78s -17° 33' 00.3" P.A. 135.00 sep 15.8 mag 8.00,8.34 Sp A3V dist. 229.89 pc (749.9 l.y.)
 
 
Coord 2000 20019-1733 Discov num HJ 2918 Comp AB Coord arcsec 2000 20 01 51.78 -17 33 00.3
Date first 1830 Date last 2007 Obs 8
Pa first 139 Pa last 134.8 P.A. Now (θ) 134.8°
Sep first 15.0 Sep last 15.8 Sep. Now (ρ) 15.8"
Mag pri 8.00 Mag sec 8.34 delta mag (ΔM) 0.34 Spectral class A3V (white)
Pri motion ra +014 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20019-1733 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 163192 20 01 52 -17 33 00 OCC 340 Aa,Ab 1974 0 -1 0.3 9.10 9.10 0.00
Show HD 189679 163192 20 01 52 -17 33 00 HJ 2918 AB 2007 8 135 15.8 8.00 8.34 0.34 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189679 Constellation Sagittarius SAO 163192 HIP 98623
Tycho2 6318-01074-1 Gaia DR2 6867940851369145856 HD 189679 BD BD-17 5835
Distance 229.89 Distance ly 749.9