18164+2912 OSO 97 AC

 
 
18h 16m 22.80s +29° 12' 21.2" P.A. 11.00 sep 21.8 mag 12.86,19.00
 
 
Coord 2000 18164+2912 Discov num OSO  97 Comp AC Coord arcsec 2000 18 16 22.80 +29 12 21.2
Date first 1995 Date last 2013 Obs 3
Pa first 5 Pa last 10.8 P.A. Now (θ) 10.8°
Sep first 17.8 Sep last 21.844 Sep. Now (ρ) 21.844"
Mag pri 12.86 Mag sec 19.00 delta mag (ΔM) 6.14 Spectral class
Pri motion ra -165 Sec motion ra -010
Pri motion dec -209 Sec motion dec +008
Notes N (See Notes)
rPM=1.001
This double is not physical.
 
 
18164+2912 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 16 23 +29 12 21 OSO 97 AB 2014 6 100 18.6 12.86 18.90 6.04
Show 18 16 23 +29 12 21 OSO 97 AC 2013 3 11 21.8 12.86 19.00 6.14 <===
Show 18 16 23 +29 12 21 OSO 97 AD 2014 6 273 20.3 12.86 19.10 6.24
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4589810723497040768