18273-2140 HU 239 (HD 169806)

18h 27m 19.77s -21° 39' 34.4" P.A. 185.00 sep 3.1 mag 10.45,10.60 Sp B9IV/V

Coord 2000 18273-2140 Discov num HU  239 Comp Coord arcsec 2000 18 27 19.77 -21 39 34.4
Date first 1900 Date last 2015 Obs 10
Pa first 184 Pa last 184.5 P.A. Now (θ) 184.5°
Sep first 3.1 Sep last 3.137 Sep. Now (ρ) 3.137"
Mag pri 10.45 Mag sec 10.60 delta mag (ΔM) 0.15 Spectral class B9IV/V (blue-white)
Pri motion ra +001 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes




Nature of this double is uncertain.



OTHER CATALOGS AND DESIGNATIONS

Name HD 169806 Constellation Sagittarius Tycho2 6278-01698-1 Gaia DR2 4090278195638844800
HD 169806