18310+2221 J 806

18h 30m 57.12s +22° 20' 59.1" P.A. 240.00 sep 2.4 mag 10.93,14.50

Coord 2000 18310+2221 Discov num J   806 Comp Coord arcsec 2000 18 30 57.12 +22 20 59.1
Date first 1912 Date last 2016 Obs 5
Pa first 233 Pa last 240.3 P.A. Now (θ) 240.3°
Sep first 2.3 Sep last 2.381 Sep. Now (ρ) 2.381"
Mag pri 10.93 Mag sec 14.50 delta mag (ΔM) 3.57 Spectral class
Pri motion ra +004 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes




Nature of this double is uncertain.



OTHER CATALOGS AND DESIGNATIONS

Constellation Hercules Tycho2 1581-00089-1 Gaia DR2 4529193307434378880 HD 342383
ADS 11417