18317+2310 HU 321 AC

 
 
18h 31m 41.82s +23° 09' 40.2" P.A. 342.00 sep 74.4 mag 9.60,12.10 Sp G5
 
 
Coord 2000 18317+2310 Discov num HU  321 Comp AC Coord arcsec 2000 18 31 41.82 +23 09 40.2
Date first 1894 Date last 2015 Obs 20
Pa first 329 Pa last 341.6 P.A. Now (θ) 341.6°
Sep first 62.4 Sep last 74.35 Sep. Now (ρ) 74.35"
Mag pri 9.60 Mag sec 12.10 delta mag (ΔM) 2.5 Spectral class G5 (yellow)
Pri motion ra -069 Sec motion ra +008
Pri motion dec -122 Sec motion dec +001
Notes N L (See Notes, Linear solution)
rPM=1.035
This double is not physical.
 
 
18317+2310 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 342464 18 31 42 +23 09 40 HU 321 AB 2015 33 21 20.6 9.60 11.10 1.50
Show 18 31 42 +23 09 40 HU 321 AC 2015 20 342 74.4 9.60 12.10 2.50 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2106-00298-1 Gaia DR2 4535447329570405632 HD 342464