18549+6911 WFC 215

18h 54m 55.23s +69° 11' 11.7" P.A. 254.00 sep 3.8 mag 10.10,10.22

Coord 2000 18549+6911 Discov num WFC 215 Comp Coord arcsec 2000 18 54 55.23 +69 11 11.7
Date first 1893 Date last 2016 Obs 10
Pa first 249 Pa last 254 P.A. Now (θ) 254°
Sep first 3.6 Sep last 3.806 Sep. Now (ρ) 3.806"
Mag pri 10.10 Mag sec 10.22 delta mag (ΔM) 0.12 Spectral class
Pri motion ra +004 Sec motion ra +003
Pri motion dec +009 Sec motion dec +011
Notes T (Parallax indicates physical)




rPM=0.196 (< 0.3, Physical double)

This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Constellation Draco Tycho2 4431-01328-1 Gaia DR2 2262289502508290560