11330-3151 WSI 102 Aa,Ab

 
 
11h 33m 00.11s -31° 51' 27.4" P.A. 14.00 sep 0.1 mag 3.70,5.80 Sp G7III dist. 39.75 pc (129.66 l.y.)
 
 
Coord 2000 11330-3151 Discov num WSI 102 Comp Aa,Ab Coord arcsec 2000 11 33 00.11 -31 51 27.4
Date first 2001 Date last 2001 Obs 1
Pa first 14 Pa last 14 P.A. Now (θ) 14°
Sep first 0.1 Sep last 0.055 Sep. Now (ρ) 0.055"
Mag pri 3.70 Mag sec 5.80 delta mag (ΔM) 2.1 Spectral class G7III (yellow)
Pri motion ra -206 Sec motion ra
Pri motion dec -040 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
11330-3151 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 202558 11 33 00 -31 51 27 WSI 102 Aa,Ab 2001 1 14 0.1 3.70 5.80 2.10 <===
Show Xi Hya 202558 11 33 00 -31 51 27 HJ 4449 AB 2015 10 134 74.6 3.54 10.70 7.16
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hydra SAO 202558 HIP 56343 Tycho2 7216-01261-1
Gaia DR2 3478394889482871936 HD 100407 HR 4450 GC 15845
CD CD-31 9083 CP CP-31 3293 Bayer Xi Hydrae Bayer name Xi Hya
FK5 434 Distance 39.75 Distance ly 129.66 Bayer greek ξ Hya