18210-1805 DON 893

 
 
18h 21m 05.96s -18° 04' 47.2" P.A. 220.00 sep 2.8 mag 9.47,13.20 Sp B
 
 
Coord 2000 18210-1805 Discov num DON 893 Comp Coord arcsec 2000 18 21 05.96 -18 04 47.2
Date first 1932 Date last 2000 Obs 4
Pa first 226 Pa last 219.7 P.A. Now (θ) 219.7°
Sep first 2.4 Sep last 2.81 Sep. Now (ρ) 2.81"
Mag pri 9.47 Mag sec 13.20 delta mag (ΔM) 3.73 Spectral class B (blue-white)
Pri motion ra +000 Sec motion ra
Pri motion dec +003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6269-01826-1 Gaia DR2 4096368974701052160 HD 168553