18254-1631 HU 64 AC

 
 
18h 25m 22.92s -16° 30' 31.9" P.A. 18.00 sep 15.6 mag 9.80,12.30 Sp K0III
 
 
Coord 2000 18254-1631 Discov num HU   64 Comp AC Coord arcsec 2000 18 25 22.92 -16 30 31.9
Date first 1905 Date last 2015 Obs 6
Pa first 31 Pa last 17.6 P.A. Now (θ) 17.6°
Sep first 16.3 Sep last 15.551 Sep. Now (ρ) 15.551"
Mag pri 9.80 Mag sec 12.30 delta mag (ΔM) 2.5 Spectral class K0III (yellow-orange)
Pri motion ra +015 Sec motion ra -014
Pri motion dec -011 Sec motion dec -005
Notes N (See Notes)
rPM=1.592
This double is not physical.
 
 
18254-1631 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 169457 18 25 23 -16 30 32 HU 64 AB 2000 12 12 3.7 9.80 10.80 1.00
Show 18 25 23 -16 30 32 HU 64 AC 2015 6 18 15.6 9.80 12.30 2.50 <===
Show 18 25 23 -16 30 32 HU 64 AD 2015 4 349 24.7 9.80 12.80 3.00
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6266-02751-1 Gaia DR2 4097002327710880128 HD 169457