18117-1605 J 1620 BC

18h 11m 41.37s -16° 04' 44.6" P.A. 235.00 sep 7.3 mag 10.97,11.30

Coord 2000 18117-1605 Discov num J  1620 Comp BC Coord arcsec 2000 18 11 41.37 -16 04 44.6
Date first 1905 Date last 2018 Obs 13
Pa first 237 Pa last 235 P.A. Now (θ) 235°
Sep first 7.3 Sep last 7.256 Sep. Now (ρ) 7.256"
Mag pri 10.97 Mag sec 11.30 delta mag (ΔM) 0.33 Spectral class
Pri motion ra -002 Sec motion ra +001
Pri motion dec -003 Sec motion dec -012
Notes U (Proper motion indicates non-physical)




rPM=0.788

This double is not physical.



18117-1605 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 11 43 -16 04 46 J 1620 AB 2018 11 272 27.8 9.65 10.97 1.32
Show 18 11 43 -16 04 46 ABH 95 AE 2002 6 346 46.8 9.65 12.69 3.04
Show 18 11 43 -16 04 46 ABH 95 AF 2015 8 300 120.2 9.65 11.32 1.67
Show 18 11 41 -16 04 45 J 1620 BC 2018 13 235 7.3 10.97 11.30 0.33 <===
Show 18 11 41 -16 04 45 J 1620 BD 2018 13 11 8.0 10.97 11.20 0.23


Sextuple system
6 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Sagittarius Tycho2 6264-00459-1 Gaia DR2 4145682341689304064