15440-3906 SHY 684 AC

 
 
15h 44m 01.10s -39° 05' 41.4" P.A. 323.00 sep 604.5 mag 9.84,9.71 Sp G2/3V+G3V dist. 98.72 pc (322.02 l.y.)
 
 
Coord 2000 15440-3906 Discov num SHY 684 Comp AC Coord arcsec 2000 15 44 01.10 -39 05 41.4
Date first 1991 Date last 2015 Obs 5
Pa first 323 Pa last 323 P.A. Now (θ) 323°
Sep first 604.7 Sep last 604.503 Sep. Now (ρ) 604.503"
Mag pri 9.84 Mag sec 9.71 delta mag (ΔM) 0.13 Spectral class G2/3V+G3V (yellow/yellow)
Pri motion ra -029 Sec motion ra -019
Pri motion dec -040 Sec motion dec -031
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.272 (< 0.3, Physical double)
This double is physical.
 
 
15440-3906 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 140242 15 44 01 -39 05 41 B 1304 AB 2018 11 209 2.2 9.84 9.98 0.14
Show 206903 15 44 01 -39 05 41 SHY 684 AC 2015 5 323 604.5 9.84 9.71 0.13 <===
Show 206903 15 43 30 -38 57 38 SHY 682 CD 1998 3 356 999.9 9.71 8.42 1.29
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lupus SAO 206903 HIP 77051 Tycho2 7837-01291-1
Gaia DR2 6008351903555617280 HD 140242 CD CD-3810617 CP CP-38 6263
Distance 98.72 Distance ly 322.02