18398-2920 RSS 487

 
 
18h 39m 48.25s -29° 20' 21.4" P.A. 303.00 sep 11.5 mag 10.02,13.40 Sp B0.5III dist. 628.93 pc (2051.57 l.y.)
 
 
Coord 2000 18398-2920 Discov num RSS 487 Comp Coord arcsec 2000 18 39 48.25 -29 20 21.4
Date first 1977 Date last 2010 Obs 4
Pa first 304 Pa last 302.5 P.A. Now (θ) 302.5°
Sep first 12.0 Sep last 11.54 Sep. Now (ρ) 11.54"
Mag pri 10.02 Mag sec 13.40 delta mag (ΔM) 3.38 Spectral class B0.5III (blue-white)
Pri motion ra +001 Sec motion ra -079
Pri motion dec +002 Sec motion dec +096
Notes
rPM=0.993
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 187100 HIP 91514 Tycho2 6870-00937-1
Gaia DR2 4047526847081820032 HD 172140 CD CD-2915193 CP CP-29 5634
Distance 628.93 Distance ly 2051.57