20019-1733 OCC 340 Aa,Ab

20h 01m 51.78s -17° 33' 00.3" P.A. -1.00 sep 0.3 mag 9.10,9.10 Sp A3V dist. 229.89 pc (749.9 l.y.)

Coord 2000 20019-1733 Discov num OCC 340 Comp Aa,Ab Coord arcsec 2000 20 01 51.78 -17 33 00.3
Date first 1974 Date last 1974 Obs 0
Pa first -1 Pa last -1 P.A. Now (θ) -1
Sep first 0.3 Sep last 0.25 Sep. Now (ρ) 0.25"
Mag pri 9.10 Mag sec 9.10 delta mag (ΔM) 0 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

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