09144+0219 HJ 2489 AB (The Hya)

 
 
09h 14m 21.86s +02° 18' 51.3" P.A. 248.00 sep 20.9 mag 3.85,9.90 Sp B9.5V dist. 34.79 pc (113.48 l.y.)
 
 
Coord 2000 09144+0219 Discov num HJ 2489 Comp AB Coord arcsec 2000 09 14 21.86 +02 18 51.3
Date first 1782 Date last 2019 Obs 25
Pa first 165 Pa last 247.7 P.A. Now (θ) 247.7°
Sep first 60.0 Sep last 20.913 Sep. Now (ρ) 20.913"
Mag pri 3.85 Mag sec 9.90 delta mag (ΔM) 6.05 Spectral class B9.5V (blue-white)
Pri motion ra +129 Sec motion ra -033
Pri motion dec -310 Sec motion dec +026
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=1.111
This double is not physical.
 
 
09144+0219 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show The Hya 117527 09 14 22 +02 18 51 HJ 2489 AB 2019 25 248 20.9 3.85 9.90 6.05 <===
Show 117527 09 14 22 +02 18 51 HJ 2489 AC 2008 5 298 101.0 3.85 12.61 8.76
Show 117527 09 14 22 +02 18 51 B 2674 AD 2008 5 145 82.4 3.85 11.60 7.75
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name The Hya Var name NSV4425 Hya Constellation Hydra SAO 117527
HIP 45336 Tycho2 0227-02544-1 HD 79469 HR 3665
GC 12743 ADS 7253 BD BD+02 2167 Bayer Theta Hydrae
Bayer name The Hya Flamsteed 22 Hydrae Flamsteed name 22 Hya FK5 347
Distance 34.79 Distance ly 113.48 Bayer greek θ Hya