18165+3101 COU 813

 
 
18h 16m 31.68s +31° 01' 29.9" P.A. 143.00 sep 4.7 mag 11.00,11.60
 
 
Coord 2000 18165+3101 Discov num COU 813 Comp Coord arcsec 2000 18 16 31.68 +31 01 29.9
Date first 1972 Date last 2019 Obs 9
Pa first 143 Pa last 143.4 P.A. Now (θ) 143.4°
Sep first 4.2 Sep last 4.701 Sep. Now (ρ) 4.701"
Mag pri 11.00 Mag sec 11.60 delta mag (ΔM) 0.6 Spectral class
Pri motion ra -002 Sec motion ra +018
Pri motion dec +011 Sec motion dec -019
Notes
rPM=1.378
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Gaia DR2 4590279046730764160