17530-2803 RST 1997 BC

 
 
17h 52m 58.91s -28° 03' 42.8" P.A. 177.00 sep 0.3 mag 11.80,11.80
 
 
Coord 2000 17530-2803 Discov num RST1997 Comp BC Coord arcsec 2000 17 52 58.91 -28 03 42.8
Date first 1935 Date last 1951 Obs 3
Pa first 166 Pa last 176.6 P.A. Now (θ) 176.6°
Sep first 0.3 Sep last 0.25 Sep. Now (ρ) 0.25"
Mag pri 11.80 Mag sec 11.80 delta mag (ΔM) 0 Spectral class
Pri motion ra +015 Sec motion ra
Pri motion dec -019 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17530-2803 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 316493 17 52 59 -28 03 39 RST 1997 A,BC 1999 3 203 2.8 11.33 11.40 0.07
Show 17 52 59 -28 03 43 RST 1997 BC 1951 3 177 0.3 11.80 11.80 0.00 <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Gaia DR2 4063450146278292352