12006+1820 HDS 1688 AB (HD 104290)

 
 
12h 00m 38.02s +18° 20' 05.0" P.A. 6.00 sep 0.5 mag 8.06,11.98 Sp K0 dist. 204.08 pc (665.71 l.y.)
 
 
Coord 2000 12006+1820 Discov num HDS1688 Comp AB Coord arcsec 2000 12 00 38.02 +18 20 05.0
Date first 1991 Date last 2021 Obs 7
Pa first 17 Pa last 6.2 P.A. Now (θ) 6.2°
Sep first 0.4 Sep last 0.476 Sep. Now (ρ) 0.476"
Mag pri 8.06 Mag sec 11.98 delta mag (ΔM) 3.92 Spectral class K0 (yellow-orange)
Pri motion ra +003 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
12006+1820 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 99904 12 00 38 +18 20 05 GII 182 Aa,Ab 2014 2 99 0.1 8.80 8.80 0.00
Show HD 104290 99904 12 00 38 +18 20 05 HDS 1688 AB 2021 7 6 0.5 8.06 11.98 3.92 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 104290 Constellation Coma Berenices SAO 99904 HIP 58568
Tycho2 1442-00678-1 HD 104290 BD BD+19 2521 Distance 204.08
Distance ly 665.71