18490-0828 HDS 2666 Aa,Ab

 
 
18h 48m 59.03s -08° 27' 31.2" P.A. 257.00 sep 0.2 mag 8.08,9.59 Sp B2V dist. 617.28 pc (2013.57 l.y.)
 
 
Coord 2000 18490-0828 Discov num HDS2666 Comp Aa,Ab Coord arcsec 2000 18 48 59.03 -08 27 31.2
Date first 1991 Date last 2017 Obs 4
Pa first 265 Pa last 256.6 P.A. Now (θ) 256.6°
Sep first 0.2 Sep last 0.172 Sep. Now (ρ) 0.172"
Mag pri 8.08 Mag sec 9.59 delta mag (ΔM) 1.51 Spectral class B2V (blue-white)
Pri motion ra -001 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
18490-0828 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 142648 18 48 59 -08 27 31 HDS 2666 Aa,Ab 2017 4 257 0.2 8.08 9.59 1.51 <===
Show HD 174069 142648 18 48 59 -08 27 31 STF 2388 AB 2016 13 344 53.6 7.81 10.94 3.13
Show 142648 18 48 59 -08 27 31 ABH 105 AD 2016 10 157 43.8 7.81 12.62 4.81
Show 142648 18 48 59 -08 27 31 ABH 105 AE 2016 9 275 72.2 7.81 12.93 5.12
Show 18 48 58 -08 26 39 STF 2388 BC 2016 14 18 21.1 10.94 11.24 0.30
Sextuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scutum SAO 142648 HIP 92322 Tycho2 5693-02550-1
Gaia DR2 4251581980307272576 HD 174069 BD BD-08 4714 Distance 617.28
Distance ly 2013.57