star in the constellation Hydra

Alphard (designated Alpha Hydrae),[1] is the brightest star in the constellation of Hydra. It is a single giant star, but is cooler than the Sun and larger and more luminous. The star is about 177 light years away from us.

The star is on the top right edge, the dot labelled ɑ is the star.

The star has more designations in which of them include; Alfard, Alphart, Kalbelaphard, etc.


  1. Kunitzsch, Paul; Smart, Tim (2006). A Dictionary of Modern star Names: A Short Guide to 254 Star Names and Their Derivations (2nd rev. ed.). Cambridge, Massachusetts: Sky Pub.