18306+2805 ES 476 AB

 
 
18h 30m 36.44s +28° 04' 52.1" P.A. 347.00 sep 2.8 mag 11.00,11.60 Sp F5
 
 
Coord 2000 18306+2805 Discov num ES  476 Comp AB Coord arcsec 2000 18 30 36.44 +28 04 52.1
Date first 1907 Date last 2018 Obs 11
Pa first 348 Pa last 346.5 P.A. Now (θ) 346.5°
Sep first 2.5 Sep last 2.773 Sep. Now (ρ) 2.773"
Mag pri 11.00 Mag sec 11.60 delta mag (ΔM) 0.6 Spectral class F5 (yellow-white)
Pri motion ra +006 Sec motion ra +018
Pri motion dec -038 Sec motion dec +021
Notes N (See Notes)
rPM=1.565
This double is not physical.
 
 
18306+2805 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 30 36 +28 04 52 ES 476 AB 2018 11 347 2.8 11.00 11.60 0.60 <===
Show 18 30 36 +28 04 52 ES 476 AC 2018 6 325 28.9 11.00 12.00 1.00
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 2114-00090-1 Gaia DR2 4587202303959146368 ADS 11413