α Hydri (alpha Hydri)
α Hydri is a hypergiant star in the constellation of Hydrus.
α Hydri visual magnitude is 2.86. Thanks to its high brightness, α Hydri is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.
The table below summarizes the key facts about α Hydri:
Celestial coordinates and finder chart of α Hydri
α Hydri is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of α Hydri are provided in the following table:
The simplified sky map below shows the position of α Hydri in the sky:
Visibility of α Hydri from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
α Hydri (alpha Hydri) is currently not visible from Greenwich, United Kingdom
Digitized Sky Survey image of α Hydri
The image below is a photograph of α Hydri from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of α Hydri is 0.264 arcsec per year in Right Ascension and 0.027 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of α Hydri from the Sun and relative movement
α Hydri is distant 71.27 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.
Spectral properties of α Hydri
α Hydri belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.
The red dot in the diagram below shows where α Hydri is situated in the Hertzsprung–Russell diagram.