15500-0355 RST 4553 AB

 
 
15h 49m 57.68s -03° 55' 15.7" P.A. 310.00 sep 8.9 mag 6.90,12.50 Sp B9 dist. 116.14 pc (378.85 l.y.)
 
 
Coord 2000 15500-0355 Discov num RST4553 Comp AB Coord arcsec 2000 15 49 57.68 -03 55 15.7
Date first 1938 Date last 2016 Obs 10
Pa first 311 Pa last 310.2 P.A. Now (θ) 310.2°
Sep first 7.5 Sep last 8.864 Sep. Now (ρ) 8.864"
Mag pri 6.90 Mag sec 12.50 delta mag (ΔM) 5.6 Spectral class B9 (blue-white)
Pri motion ra -032 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
15500-0355 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 140789 15 49 58 -03 55 16 RST 4553 AB 2016 10 310 8.9 6.90 12.50 5.60 <===
Show 140789 15 49 58 -03 55 16 RST 4553 AC 1999 3 310 8.9 6.90 13.00 6.10
Show 140789 15 49 58 -03 55 16 FGL 3 AD 2018 2 290 0.5 6.90
Show 15 49 57 -03 55 11 RST 4553 BC 2016 6 303 1.3 12.50 13.00 0.50
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Libra SAO 140789 HIP 77542 Gaia DR2 4399438153527026176
GC 21274 BD BD-03 3833 Distance 116.14 Distance ly 378.85