17567-2026 DON 871

 
 
17h 56m 39.71s -20° 26' 17.9" P.A. 310.00 sep 5.4 mag 11.23,14.50 Sp B5
 
 
Coord 2000 17567-2026 Discov num DON 871 Comp Coord arcsec 2000 17 56 39.71 -20 26 17.9
Date first 1929 Date last 2015 Obs 5
Pa first 309 Pa last 309.5 P.A. Now (θ) 309.5°
Sep first 4.7 Sep last 5.366 Sep. Now (ρ) 5.366"
Mag pri 11.23 Mag sec 14.50 delta mag (ΔM) 3.27 Spectral class B5 (blue-white)
Pri motion ra +011 Sec motion ra -111
Pri motion dec -017 Sec motion dec +099
Notes
rPM=1.132
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6258-00905-1 Gaia DR2 4071099135085938560 HD 312448