09144+0219 HJ 2489AC

 
 
09h 14m 21.86s +02 18' 51.3" P.A. 298 sep 101 mag 3.85,12.61 Sp B9.5V dist. 34.79 pc (113.48 l.y.)
 
 
Coord 2000
09144+0219
Discov num
HJ 2489
Comp
AC
Coord arcsec 2000
09 14 21.86 +02 18 51.3
Date first
1924
Date last
2008
Obs
5
Pa first
286
Pa last
298
P.A. Now (θ)
298°
Sep first
80.9
Sep last
101.0
Sep. Now (ρ)
101"
Mag pri
3.85
Mag sec
12.61
delta mag (ΔM)
8.76
Spectral class
B9.5V (blue-white)
Pri motion ra
+115
Sec motion ra
Pri motion dec
-314
Sec motion dec
Notes
N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
09144+0219 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show The Hya 117527 09144+0219 HJ 2489 AB 1782 2013 24 247 20.0 3.85 9.90 6.05
Show 117527 09144+0219 HJ 2489 AC 1924 2008 5 298 101.0 3.85 12.61 8.76 <===
Show 117527 09144+0219 B 2674 AD 1962 2008 5 145 82.4 3.85 11.60 7.75
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
298.4
Precise sep
100.96
Constellation
Hydra
SAO
117527
HIP
45336
Tycho2
0227-02544-1
HD
79469
HR
3665
GC
12743
BD
BD+02 2167
Bayer
Theta Hydrae
Bayer name
The Hya
Flamsteed
22 Hydrae
Flamsteed name
22 Hya
Distance
34.79
Distance ly
113.48
last precise pa
298.4
last precise sep
100.96
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09144+0219 HJ 2489 AC 1962 2 292 89.6 3.85 11.90 N D 091421.86+021851.3
09144+0219 HJ 2489 AC 2008 4 298 101.0 3.85 11.90 N D 091421.86+021851.3

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