18254-1631 HU 64 AB (HD 169457)

 
 
18h 25m 22.92s -16° 30' 31.9" P.A. 12.00 sep 3.7 mag 9.80,10.80 Sp K0III
 
 
Coord 2000 18254-1631 Discov num HU   64 Comp AB Coord arcsec 2000 18 25 22.92 -16 30 31.9
Date first 1899 Date last 2000 Obs 12
Pa first 12 Pa last 12.4 P.A. Now (θ) 12.4°
Sep first 4.0 Sep last 3.67 Sep. Now (ρ) 3.67"
Mag pri 9.80 Mag sec 10.80 delta mag (ΔM) 1 Spectral class K0III (yellow-orange)
Pri motion ra +015 Sec motion ra +036
Pri motion dec -011 Sec motion dec +040
Notes N (See Notes)
rPM=1.025
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
 
 
Name HD 169457 Constellation Sagittarius Tycho2 6266-02751-1 Gaia DR2 4097002327710880128
HD 169457