18370+3452 STF 2352 AB (HD 172131)

 
 
18h 36m 57.43s +34° 51' 59.0" P.A. 287.00 sep 15.9 mag 8.06,10.63 Sp K0
 
 
Coord 2000 18370+3452 Discov num STF2352 Comp AB Coord arcsec 2000 18 36 57.43 +34 51 59.0
Date first 1830 Date last 2016 Obs 20
Pa first 284 Pa last 286.6 P.A. Now (θ) 286.6°
Sep first 15.2 Sep last 15.915 Sep. Now (ρ) 15.915"
Mag pri 8.06 Mag sec 10.63 delta mag (ΔM) 2.57 Spectral class K0 (yellow-orange)
Pri motion ra -003 Sec motion ra -001
Pri motion dec -006 Sec motion dec +005
Notes N (See Notes)
rPM=1.667
This double is not physical.
 
 
18370+3452 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 172131 67172 18 36 57 +34 51 59 STF 2352 AB 2016 20 287 15.9 8.06 10.63 2.57 <===
Show 67172 18 36 57 +34 51 59 STF 2352 AC 2015 14 161 210.3 8.06 10.45 2.39
Show 67172 18 36 57 +34 51 59 WAL 93 AD 2015 8 204 37.9 8.06 12.81 4.75
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172131 Constellation Lyra SAO 67172 Tycho2 2645-01507-1
Gaia DR2 2094826185020137984 HD 172131