18040-2529 HDO 148 (HD 164817)

 
 
18h 03m 59.09s -25° 28' 38.4" P.A. 15.00 sep 4.6 mag 10.18,10.24 Sp B8II/III
 
 
Coord 2000 18040-2529 Discov num HDO 148 Comp Coord arcsec 2000 18 03 59.09 -25 28 38.4
Date first 1868 Date last 2015 Obs 15
Pa first 15 Pa last 14.9 P.A. Now (θ) 14.9°
Sep first 5.4 Sep last 4.566 Sep. Now (ρ) 4.566"
Mag pri 10.18 Mag sec 10.24 delta mag (ΔM) 0.06 Spectral class B8II/III (blue-white)
Pri motion ra +004 Sec motion ra +040
Pri motion dec -002 Sec motion dec +057
Notes N (See Notes)
rPM=0.993
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 164817 Constellation Sagittarius Tycho2 6846-00759-2 Gaia DR2 4065699575286988032
HD 164817