15313-1259 BU 33 AB (HD 138253)

 
 
15h 31m 19.42s -12° 59' 07.1" P.A. 37.00 sep 3.3 mag 7.92,10.12 Sp F5V dist. 90.74 pc (295.99 l.y.)
 
 
Coord 2000 15313-1259 Discov num BU   33 Comp AB Coord arcsec 2000 15 31 19.42 -12 59 07.1
Date first 1872 Date last 2018 Obs 26
Pa first 45 Pa last 37 P.A. Now (θ) 37°
Sep first 3.0 Sep last 3.283 Sep. Now (ρ) 3.283"
Mag pri 7.92 Mag sec 10.12 delta mag (ΔM) 2.2 Spectral class F5V (yellow-white)
Pri motion ra -122 Sec motion ra -114
Pri motion dec +046 Sec motion dec +051
Notes N (See Notes)
rPM=0.072 (< 0.3, Physical double)
This double is physical.
 
 
15313-1259 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 138253 15 31 19 -12 59 07 BU 33 AB 2018 26 37 3.3 7.92 10.12 2.20 <===
Show 15 31 19 -12 59 07 BU 33 AC 2015 9 137 259.8 7.92 11.13 3.21
Show 15 31 19 -12 59 07 DOO 59 AE 2015 11 320 17.6 7.92 13.60 5.68
Show 15 31 31 -13 02 16 BU 34 CD 2017 21 55 6.4 11.13 11.30 0.17
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 138253 Constellation Libra HIP 76003 Tycho2 5603-00036-3
Gaia DR2 6266596364220530048 HD 138253 BD BD-12 4268 Distance 90.74
Distance ly 295.99