18579-2524 B 2871 AB (HD 175757)

 
 
18h 57m 54.72s -25° 24' 04.6" P.A. 296.00 sep 14.7 mag 9.61,11.60 Sp F2/3III/
 
 
Coord 2000 18579-2524 Discov num B  2871 Comp AB Coord arcsec 2000 18 57 54.72 -25 24 04.6
Date first 1909 Date last 2022 Obs 10
Pa first 292 Pa last 296.4 P.A. Now (θ) 296.4°
Sep first 15.0 Sep last 14.67 Sep. Now (ρ) 14.67"
Mag pri 9.61 Mag sec 11.60 delta mag (ΔM) 1.99 Spectral class F2/3III/ (yellow-white)
Pri motion ra -004 Sec motion ra +006
Pri motion dec -006 Sec motion dec +008
Notes N (See Notes)
rPM=1.72
This double is not physical.
 
 
18579-2524 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 175757 187508 18 57 55 -25 24 05 B 2871 AB 2022 10 296 14.7 9.61 11.60 1.99 <===
Show 187508 18 57 55 -25 24 05 SIN 112 AC 2022 5 94 54.3 9.61 13.34 3.73
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 175757 Constellation Sagittarius SAO 187508 Tycho2 6864-00155-1
Gaia DR2 4073967486042108160 HD 175757