18200+2120 AG 221 AB (HD 342090)

 
 
18h 20m 02.24s +21° 20' 00.7" P.A. 12.00 sep 1.8 mag 9.90,9.87 Sp F8
 
 
Coord 2000 18200+2120 Discov num AG  221 Comp AB Coord arcsec 2000 18 20 02.24 +21 20 00.7
Date first 1901 Date last 2016 Obs 38
Pa first 15 Pa last 12.3 P.A. Now (θ) 12.3°
Sep first 1.3 Sep last 1.779 Sep. Now (ρ) 1.779"
Mag pri 9.90 Mag sec 9.87 delta mag (ΔM) 0.03 Spectral class F8 (yellow-white)
Pri motion ra +001 Sec motion ra +001
Pri motion dec +023 Sec motion dec +023
Notes
Nature of this double is uncertain.
 
 
18200+2120 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 342090 18 20 02 +21 20 01 AG 221 AB 2016 38 12 1.8 9.90 9.87 0.03 <===
Show 18 20 02 +21 20 01 AG 221 AC 2015 5 9 9.7 9.90 12.90 3.00
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 342090 Constellation Hercules Tycho2 1580-01378-2 Gaia DR2 4528884104149992448
HD 342090