18330+3136 STF 2340 AB

 
 
18h 33m 01.30s +31° 35' 43.0" P.A. 104.00 sep 25.1 mag 9.21,10.24 Sp F2 dist. 423.73 pc (1382.21 l.y.)
 
 
Coord 2000 18330+3136 Discov num STF2340 Comp AB Coord arcsec 2000 18 33 01.30 +31 35 43.0
Date first 1830 Date last 2018 Obs 36
Pa first 105 Pa last 103.9 P.A. Now (θ) 103.9°
Sep first 21.5 Sep last 25.142 Sep. Now (ρ) 25.142"
Mag pri 9.21 Mag sec 10.24 delta mag (ΔM) 1.03 Spectral class F2 (yellow-white)
Pri motion ra -011 Sec motion ra +009
Pri motion dec -007 Sec motion dec -015
Notes N (See Notes)
rPM=1.231
This double is not physical.
 
 
18330+3136 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 33 01 +31 35 43 STF 2340 AB 2018 36 104 25.1 9.21 10.24 1.03 <===
Show 18 33 01 +31 35 43 STF 2340 AC 2015 14 150 223.3 9.21 10.80 1.59
Show 18 33 01 +31 35 43 SLE 196 AD 2007 2 106 46.6 9.21 12.00 2.79
Show 18 33 03 +31 35 37 STF 2340 BC 2015 16 155 206.6 10.24 10.80 0.56
Show 18 33 03 +31 35 37 SLE 196 BD 2014 2 126 11.6 10.24 12.00 1.76
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra HIP 90937 Tycho2 2624-01665-1 Gaia DR2 4589044982368912128
BD BD+31 3287 Distance 423.73 Distance ly 1382.21