04018+1000 HDS 509 Aa,Ab

 
 
04h 01m 46.13s +09° 59' 52.9" P.A. 54.00 sep 0.7 mag 5.81,7.87 Sp B5V dist. 175.13 pc (571.27 l.y.)
 
 
Coord 2000 04018+1000 Discov num HDS 509 Comp Aa,Ab Coord arcsec 2000 04 01 46.13 +09 59 52.9
Date first 1991 Date last 2002 Obs 4
Pa first 58 Pa last 54 P.A. Now (θ) 54°
Sep first 0.7 Sep last 0.74 Sep. Now (ρ) 0.74"
Mag pri 5.81 Mag sec 7.87 delta mag (ΔM) 2.06 Spectral class B5V (blue-white)
Pri motion ra +008 Sec motion ra +008
Pri motion dec +001 Sec motion dec +001
Notes
Nature of this double is uncertain.
 
 
04018+1000 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 111566 04 01 46 +09 59 53 HDS 509 Aa,Ab 2002 4 54 0.7 5.81 7.87 2.06 <===
Show HD 25330 111566 04 01 46 +09 59 53 STT 70 AB 2015 11 229 11.6 5.81 11.21 5.40
Show 111566 04 01 46 +09 59 53 WAL 27 AC 2015 3 241 84.4 5.81 11.70 5.89
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Taurus SAO 111566 HIP 18805 Tycho2 0659-00402-1
Gaia DR2 3302152006000888064 HD 25330 HR 1243 ADS 2938
BD BD+09 528 Distance 175.13 Distance ly 571.27