18018+1254 HEI 554

 
 
18h 01m 46.49s +12° 54' 17.9" P.A. 13.00 sep 2.6 mag 11.81,13.10
 
 
Coord 2000 18018+1254 Discov num HEI 554 Comp Coord arcsec 2000 18 01 46.49 +12 54 17.9
Date first 1988 Date last 2016 Obs 4
Pa first 5 Pa last 12.8 P.A. Now (θ) 12.8°
Sep first 1.9 Sep last 2.586 Sep. Now (ρ) 2.586"
Mag pri 11.81 Mag sec 13.10 delta mag (ΔM) 1.29 Spectral class
Pri motion ra -012 Sec motion ra
Pri motion dec -015 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus Tycho2 1016-01244-1 Gaia DR2 4496444216155379584