12153-3204 NSN 98 BC

12h 15m 13.79s -32° 02' 24.8" P.A. 332.00 sep 2.4 mag 16.79,16.92

Coord 2000 12153-3204 Discov num NSN  98 Comp BC Coord arcsec 2000 12 15 13.79 -32 02 24.8
Date first 2015 Date last 2016 Obs 2
Pa first 332 Pa last 332.4 P.A. Now (θ) 332.4°
Sep first 2.4 Sep last 2.428 Sep. Now (ρ) 2.428"
Mag pri 16.79 Mag sec 16.92 delta mag (ΔM) 0.13 Spectral class
Pri motion ra -284 Sec motion ra -285
Pri motion dec +165 Sec motion dec +164
Notes T (Parallax indicates physical)




rPM=0.004 (< 0.3, Physical double)

This double is physical.



12153-3204 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 12 15 17 -32 05 01 LDS 4197 Aa,Ab 2016 2 324 1.6 12.90 14.20 1.30
Show 12 15 17 -32 05 01 LDS 4197 AB 2015 7 344 163.1 13.70 16.40 2.70
Show 12 15 14 -32 02 25 NSN 98 BC 2016 2 332 2.4 16.79 16.92 0.13 <===


Quadruple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Hydra