18517+4323 BU 421 AB

 
 
18h 51m 44.38s +43° 23' 29.8" P.A. 296.00 sep 1.2 mag 9.80,9.89 Sp F8
 
 
Coord 2000 18517+4323 Discov num BU  421 Comp AB Coord arcsec 2000 18 51 44.38 +43 23 29.8
Date first 1877 Date last 2017 Obs 23
Pa first 290 Pa last 296.2 P.A. Now (θ) 296.2°
Sep first 1.0 Sep last 1.199 Sep. Now (ρ) 1.199"
Mag pri 9.80 Mag sec 9.89 delta mag (ΔM) 0.09 Spectral class F8 (yellow-white)
Pri motion ra +017 Sec motion ra +017
Pri motion dec +048 Sec motion dec +048
Notes
Nature of this double is uncertain.
 
 
18517+4323 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 51 44 +43 23 30 BU 421 AB 2017 23 296 1.2 9.80 9.89 0.09 <===
Show 18 51 44 +43 23 30 BU 421 AB,C 2017 16 226 43.1 9.80 9.61 0.19
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 3131-00575-1 Gaia DR2 2105198737195247616 ADS 11775