18359-2849 HJ 5051 AB (HD 171396)

 
 
18h 35m 51.76s -28° 48' 59.6" P.A. 237.00 sep 9.3 mag 9.32,10.80 Sp G+A
 
 
Coord 2000 18359-2849 Discov num HJ 5051 Comp AB Coord arcsec 2000 18 35 51.76 -28 48 59.6
Date first 1834 Date last 1999 Obs 8
Pa first 231 Pa last 236.5 P.A. Now (θ) 236.5°
Sep first 5.0 Sep last 9.29 Sep. Now (ρ) 9.29"
Mag pri 9.32 Mag sec 10.80 delta mag (ΔM) 1.48 Spectral class G+A (yellow/white)
Pri motion ra +004 Sec motion ra -002
Pri motion dec +001 Sec motion dec -002
Notes
rPM=1.627
This double is not physical.
 
 
18359-2849 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 171396 187022 18 35 52 -28 48 60 HJ 5051 AB 1999 8 237 9.3 9.32 10.80 1.48 <===
Show 187022 18 35 52 -28 48 60 HJ 5051 AC 2015 6 296 91.6 9.32 11.43 2.11
Show 18 35 46 -28 48 19 DOO 71 CD 2015 4 34 4.3 11.80 12.50 0.70
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 171396 Constellation Sagittarius SAO 187022 Tycho2 6870-00052-1
Gaia DR2 4048340210820128768 HD 171396