17455-2804 SIN 102 AC

 
 
17h 45m 31.65s -28° 03' 54.6" P.A. 85.00 sep 74.3 mag 8.70,10.01 Sp B7IV/V
 
 
Coord 2000 17455-2804 Discov num SIN 102 Comp AC Coord arcsec 2000 17 45 31.65 -28 03 54.6
Date first 1913 Date last 2015 Obs 9
Pa first 86 Pa last 85.3 P.A. Now (θ) 85.3°
Sep first 74.4 Sep last 74.266 Sep. Now (ρ) 74.266"
Mag pri 8.70 Mag sec 10.01 delta mag (ΔM) 1.31 Spectral class B7IV/V (blue-white)
Pri motion ra +004 Sec motion ra +003
Pri motion dec -003 Sec motion dec -008
Notes
rPM=0.597
Nature of this double is uncertain.
 
 
17455-2804 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 161229 185705 17 45 32 -28 03 55 SEE 337 AB 2015 12 10 9.9 8.70 10.59 1.89
Show 185705 17 45 32 -28 03 55 SIN 102 AC 2015 9 85 74.3 8.70 10.01 1.31 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 185705 Tycho2 6836-00672-1 Gaia DR2 4057600263333926912
HD 161229