18109+4242 ROE 5 AB

 
 
18h 09m 51.11s +42° 42' 51.0" P.A. 115.00 sep 14.9 mag 11.41,13.19
 
 
Coord 2000 18109+4242 Discov num ROE   5 Comp AB Coord arcsec 2000 18 09 51.11 +42 42 51.0
Date first 1909 Date last 2019 Obs 11
Pa first 108 Pa last 114.8 P.A. Now (θ) 114.8°
Sep first 12.7 Sep last 14.9 Sep. Now (ρ) 14.9"
Mag pri 11.41 Mag sec 13.19 delta mag (ΔM) 1.78 Spectral class
Pri motion ra -003 Sec motion ra -013
Pri motion dec -007 Sec motion dec -018
Notes
rPM=0.67
Nature of this double is uncertain.
 
 
18109+4242 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 09 51 +42 42 51 ROE 5 AB 2019 11 115 14.9 11.41 13.19 1.78 <===
Show 18 09 51 +42 42 51 ROE 5 AC 2015 11 32 193.5 11.41 11.45 0.04
Show 18 10 00 +42 45 32 ROE 6 CD 2015 12 228 11.1 11.45 11.15 0.30
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 3110-00262-1 Gaia DR2 2113939407959621760