20530+1806 UC 4316

20h 52m 57.71s +18° 06' 26.9" P.A. 216.00 sep 48.9 mag 15.50,15.19

Coord 2000 20530+1806 Discov num UC 4316 Comp Coord arcsec 2000 20 52 57.71 +18 06 26.9
Date first 2000 Date last 2015 Obs 5
Pa first 216 Pa last 216.4 P.A. Now (θ) 216.4°
Sep first 49.0 Sep last 48.927 Sep. Now (ρ) 48.927"
Mag pri 15.50 Mag sec 15.19 delta mag (ΔM) 0.31 Spectral class
Pri motion ra -023 Sec motion ra -025
Pri motion dec -055 Sec motion dec -045
Notes V (Proper motion indicates physical)




rPM=0.171 (< 0.3, Physical double)

This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Constellation Delphinus Gaia DR2 1812881785561882112