18093+5945 STF 2300 AD

 
 
18h 09m 18.77s +59° 45' 02.9" P.A. 89.00 sep 24.7 mag 9.24,11.86 Sp A2
 
 
Coord 2000 18093+5945 Discov num STF2300 Comp AD Coord arcsec 2000 18 09 18.77 +59 45 02.9
Date first 1901 Date last 2015 Obs 20
Pa first 86 Pa last 89.3 P.A. Now (θ) 89.3°
Sep first 24.9 Sep last 24.66 Sep. Now (ρ) 24.66"
Mag pri 9.24 Mag sec 11.86 delta mag (ΔM) 2.62 Spectral class A2 (white)
Pri motion ra +003 Sec motion ra +004
Pri motion dec +029 Sec motion dec +020
Notes
rPM=0.311
Nature of this double is uncertain.
 
 
18093+5945 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 238823 30778 18 09 19 +59 45 03 STF 2300 AB 2008 24 51 12.1 9.24 11.12 1.88
Show 30778 18 09 19 +59 45 03 STF 2300 AD 2015 20 89 24.7 9.24 11.86 2.62 <===
Show 18 09 20 +59 45 13 A 239 BC 2016 10 188 3.9 11.12 13.40 2.28
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco SAO 30778 Tycho2 3915-01881-1 Gaia DR2 2158445813288860544
HD 238823 DM BD+59 1879