20307+0311 BAL 2029

 
 
20h 30m 44.30s +03° 11' 22.3" P.A. 141.00 sep 7.5 mag 11.30,11.40
 
 
Coord 2000 20307+0311 Discov num BAL2029 Comp Coord arcsec 2000 20 30 44.30 +03 11 22.3
Date first 1909 Date last 2015 Obs 9
Pa first 131 Pa last 141.4 P.A. Now (θ) 141.4°
Sep first 9.1 Sep last 7.47 Sep. Now (ρ) 7.47"
Mag pri 11.30 Mag sec 11.40 delta mag (ΔM) 0.1 Spectral class
Pri motion ra -006 Sec motion ra -014
Pri motion dec -007 Sec motion dec -009
Notes
rPM=0.495
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 4232780949855839232