18309+3417 STF 2335 AB

 
 
18h 30m 54.06s +34° 16' 30.9" P.A. 318.00 sep 11.7 mag 9.33,10.70 Sp F9V
 
 
Coord 2000 18309+3417 Discov num STF2335 Comp AB Coord arcsec 2000 18 30 54.06 +34 16 30.9
Date first 1833 Date last 2015 Obs 22
Pa first 321 Pa last 317.7 P.A. Now (θ) 317.7°
Sep first 12.1 Sep last 11.701 Sep. Now (ρ) 11.701"
Mag pri 9.33 Mag sec 10.70 delta mag (ΔM) 1.37 Spectral class F9V (yellow-white)
Pri motion ra +006 Sec motion ra -001
Pri motion dec +002 Sec motion dec +003
Notes U (Proper motion indicates non-physical)
rPM=1.118
This double is not physical.
 
 
18309+3417 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 30 54 +34 16 31 COU 1150 Aa,Ab 2016 16 283 0.4 9.80 10.10 0.30
Show 18 30 54 +34 16 31 STF 2335 AB 2015 22 318 11.7 9.33 10.70 1.37 <===
Show 18 30 54 +34 16 31 STF 2335 AC 2015 23 153 25.3 9.33 11.00 1.67
Show 18 30 54 +34 16 31 ABH 100 AD 2015 8 270 35.1 9.33 13.50 4.17
Show 18 30 54 +34 16 31 ABH 100 AE 2015 9 20 42.6 9.33 13.58 4.25
Sextuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 2632-00514-1 Gaia DR2 2094561168358305024