18127+5557 ES 643

18h 12m 45.93s +55° 55' 56.3" P.A. 49.00 sep 3.9 mag 10.71,12.90

Coord 2000 18127+5557 Discov num ES  643 Comp Coord arcsec 2000 18 12 45.93 +55 55 56.3
Date first 1908 Date last 2021 Obs 12
Pa first 50 Pa last 49.4 P.A. Now (θ) 49.4°
Sep first 3.4 Sep last 3.91 Sep. Now (ρ) 3.91"
Mag pri 10.71 Mag sec 12.90 delta mag (ΔM) 2.19 Spectral class
Pri motion ra -047 Sec motion ra -008
Pri motion dec +002 Sec motion dec -022
Notes




rPM=0.973

This double is not physical.



OTHER CATALOGS AND DESIGNATIONS

Constellation Draco Tycho2 3907-01801-1 Gaia DR2 2150103616707471872