18426+5532 H 6 37 AC

 
 
18h 42m 37.96s +55° 32' 21.8" P.A. 340.00 sep 331.2 mag 5.01,8.24 Sp B9.5pHg: dist. 104.38 pc (340.49 l.y.)
 
 
Coord 2000 18426+5532 Discov num H 6  37 Comp AC Coord arcsec 2000 18 42 37.96 +55 32 21.8
Date first 1852 Date last 2015 Obs 14
Pa first 341 Pa last 340.3 P.A. Now (θ) 340.3°
Sep first 333.9 Sep last 331.217 Sep. Now (ρ) 331.217"
Mag pri 5.01 Mag sec 8.24 delta mag (ΔM) 3.23 Spectral class B9.5pHg: (blue-white)
Pri motion ra -003 Sec motion ra +011
Pri motion dec +023 Sec motion dec +013
Notes N Y (See Notes, Parallax indicates components are non-physical)
rPM=0.742
This double is not physical.
 
 
18426+5532 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 31119 18 42 38 +55 32 22 ISO 7 Aa,Ab 1987 1 135 0.2 5.04
Show 46 Dra 31119 18 42 38 +55 32 22 H 6 37 AB 2015 7 158 147.0 5.01 11.04 6.03
Show 31119 18 42 38 +55 32 22 H 6 37 AC 2015 14 340 331.2 5.01 8.24 3.23 <===
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV11273 Dra Constellation Draco SAO 31119 HIP 91755
Tycho2 3922-02095-1 Gaia DR2 2147865732587997056 HD 238925 HR 7049
GC 25635 BD BD+55 2106 Flamsteed 46 Draconis Flamsteed name 46 Dra
FK5 3491 Distance 104.38 Distance ly 340.49