Omega Hydrae
| Observation data ICRS )
| |
|---|---|
| Constellation | Hydra |
| Right ascension | 09h 05m 58.36642s[1] |
| Declination | +05° 05′ 32.3360″[1] |
| Apparent magnitude (V) | 5.00[2] |
| Characteristics | |
| Spectral type | K2 II-III[3] |
| U−B color index | +1.22[2] |
| B−V color index | +1.22[2] |
| Absolute magnitude (MV) | −2.19[5] |
| Details Myr | |
| Database references | |
| SIMBAD | data |
Omega Hydrae,
apparent visual magnitude of 5.00.[2]
This is an
projected rotational velocity of 2.3 km/s.[8] The star is radiating roughly 944[6] times the solar luminosity from its photosphere at an effective temperature of 4,789 K.[7]
References
- ^ S2CID 18759600.
- ^ Bibcode:1986EgUBV........0M.
- ^ S2CID 118629873.
- S2CID 59451347, A61.
- S2CID 119257644.
- ^ S2CID 59334290. Values are for the higher probability horizontal branch model fit.
- ^ S2CID 118665352.
- ^
- ^ "* ome Hya". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2017-03-17.
{{cite web}}: CS1 maint: postscript (link) - ISBN 978-1107083974
External links
- Kaler, James B. (May 8, 2015), "Theta Hydrae and Omega Hydrae", Stars, University of Illinois