11330-3151 HJ 4449 AB (Xi Hya)
11h 33m 00.11s -31° 51' 27.4" P.A. 134.00 sep 74.6 mag 3.54,10.70 Sp G7III dist. 39.75 pc (129.66 l.y.)
| Coord 2000 |
11330-3151 |
|
Discov num |
HJ 4449 |
|
Comp |
AB |
|
Coord arcsec 2000 |
11 33 00.11 -31 51 27.4 |
|
| Date first |
1834 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
170 |
|
Pa last |
134.4 |
|
P.A. Now (θ) |
134.4° |
|
| Sep first |
60.0 |
|
Sep last |
74.6 |
|
Sep. Now (ρ) |
74.6" |
|
| Mag pri |
3.54 |
|
Mag sec |
10.70 |
|
delta mag (ΔM) |
7.16 |
|
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
| Name |
Xi Hya |
|
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 |
|