18540-1347 A 1890 AC

 
 
18h 53m 59.36s -13° 47' 20.0" P.A. 247.00 sep 21.4 mag 9.09,12.60 Sp F0V
 
 
Coord 2000 18540-1347 Discov num A  1890 Comp AC Coord arcsec 2000 18 53 59.36 -13 47 20.0
Date first 1907 Date last 2015 Obs 7
Pa first 245 Pa last 246.5 P.A. Now (θ) 246.5°
Sep first 19.4 Sep last 21.444 Sep. Now (ρ) 21.444"
Mag pri 9.09 Mag sec 12.60 delta mag (ΔM) 3.51 Spectral class F0V (yellow-white)
Pri motion ra +016 Sec motion ra -001
Pri motion dec -003 Sec motion dec -002
Notes
rPM=1.046
This double is not physical.
 
 
18540-1347 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 175022 161949 18 53 59 -13 47 20 A 1890 AB 2016 6 178 3.3 9.09 12.40 3.31
Show 161949 18 53 59 -13 47 20 A 1890 AC 2015 7 247 21.4 9.09 12.60 3.51 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scutum SAO 161949 Tycho2 5718-00380-1 Gaia DR2 4102312178587075840
HD 175022