18136-3158 B 1353 (HD 166790)

 
 
18h 13m 37.34s -31° 58' 02.3" P.A. 114.00 sep 0.1 mag 7.60,7.70 Sp B7II dist. 552.49 pc (1802.22 l.y.)
 
 
Coord 2000 18136-3158 Discov num B  1353 Comp Coord arcsec 2000 18 13 37.34 -31 58 02.3
Date first 1930 Date last 2018 Obs 8
Pa first 143 Pa last 114 P.A. Now (θ) 114°
Sep first 0.2 Sep last 0.129 Sep. Now (ρ) 0.129"
Mag pri 7.60 Mag sec 7.70 delta mag (ΔM) 0.1 Spectral class B7II (blue-white)
Pri motion ra +000 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 166790 Constellation Sagittarius SAO 209873 HIP 89330
Tycho2 7396-00136-1 Gaia DR2 4048881479825004928 HD 166790 GC 24844
CD CD-3115265 CP CP-31 5421 Distance 552.49 Distance ly 1802.22