18122+0814 HDS 2568 AB (HD 166844)

 
 
18h 12m 10.31s +08° 13' 37.8" P.A. 263.00 sep 0.6 mag 7.39,10.62 Sp K0 dist. 157.48 pc (513.7 l.y.)
 
 
Coord 2000 18122+0814 Discov num HDS2568 Comp AB Coord arcsec 2000 18 12 10.31 +08 13 37.8
Date first 1991 Date last 2013 Obs 5
Pa first 264 Pa last 263 P.A. Now (θ) 263°
Sep first 0.5 Sep last 0.608 Sep. Now (ρ) 0.608"
Mag pri 7.39 Mag sec 10.62 delta mag (ΔM) 3.23 Spectral class K0 (yellow-orange)
Pri motion ra -016 Sec motion ra
Pri motion dec -051 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18122+0814 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 123239 18 12 10 +08 13 38 GII 261 Aa,Ab 2013 1 39 0.2 8.10 8.10 0.00
Show HD 166844 123239 18 12 10 +08 13 38 HDS 2568 AB 2013 5 263 0.6 7.39 10.62 3.23 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 166844 Constellation Ophiuchus SAO 123239 HIP 89195
Tycho2 1009-01829-1 HD 166844 GC 24825 BD BD+08 3610
Distance 157.48 Distance ly 513.7