18456+6404 ES 1840

18h 45m 35.59s +64° 04' 02.7" P.A. 216.00 sep 9.1 mag 9.69,11.26 Sp A2

Coord 2000 18456+6404 Discov num ES 1840 Comp Coord arcsec 2000 18 45 35.59 +64 04 02.7
Date first 1898 Date last 2021 Obs 15
Pa first 222 Pa last 215.6 P.A. Now (θ) 215.6°
Sep first 8.2 Sep last 9.09 Sep. Now (ρ) 9.09"
Mag pri 9.69 Mag sec 11.26 delta mag (ΔM) 1.57 Spectral class A2 (white)
Pri motion ra +004 Sec motion ra +002
Pri motion dec -002 Sec motion dec -002
Notes V (Proper motion indicates physical)




rPM=0.447

This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Constellation Draco Tycho2 4223-01127-1 Gaia DR2 2253427404428526592