18503-3736 SWR 255

 
 
18h 50m 18.51s -37° 35' 55.7" P.A. 30.00 sep 29.2 mag 10.99,10.97 Sp A5+A7
 
 
Coord 2000 18503-3736 Discov num SWR 255 Comp Coord arcsec 2000 18 50 18.51 -37 35 55.7
Date first 1913 Date last 2016 Obs 9
Pa first 31 Pa last 30.1 P.A. Now (θ) 30.1°
Sep first 28.8 Sep last 29.219 Sep. Now (ρ) 29.219"
Mag pri 10.99 Mag sec 10.97 delta mag (ΔM) 0.02 Spectral class A5+A7 (white/white)
Pri motion ra +005 Sec motion ra +004
Pri motion dec -011 Sec motion dec -009
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.185 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Corona Austrina Tycho2 7916-00100-1 Gaia DR2 6729488560499925888