18319-2831 RST 2062 (HD 170684)

 
 
18h 31m 53.35s -28° 30' 40.3" P.A. 3.00 sep 0.8 mag 8.70,10.30 Sp K1IV
 
 
Coord 2000 18319-2831 Discov num RST2062 Comp Coord arcsec 2000 18 31 53.35 -28 30 40.3
Date first 1931 Date last 2017 Obs 9
Pa first 311 Pa last 2.6 P.A. Now (θ) 2.6°
Sep first 0.5 Sep last 0.81 Sep. Now (ρ) 0.81"
Mag pri 8.70 Mag sec 10.30 delta mag (ΔM) 1.6 Spectral class K1IV (yellow-orange)
Pri motion ra +064 Sec motion ra
Pri motion dec -033 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170684 Constellation Sagittarius SAO 186922 Tycho2 6869-00257-1
Gaia DR2 4048520835606630272 HD 170684