Hydrus
- Eridanus
- ( Phoenix)
- Toucan
- Octant
- Mesa
- Swordfish
- Network
- Pendulum
The Small Water Snake ( Hydrus Latin ), also called Southern Water Snake or Water Snake Male, is a constellation of the southern sky.
Description
The little water snake is a little strong constellation, only two stars are brighter than the third magnitude. They are found south of the bright Achernar, the southernmost star of Eridanus. It is located between the Large Magellanic Cloud (LMC ) and the Small Magellanic Cloud (SMC ).
The little water snake is not visible from Europe. It can only be fully observed from locations south of the 8th parallel.
History
The little water snake is one of the constellations, which were introduced by the Dutch navigators Pieter Keyser and Frederick de Houtman Dirkszoon end of the 16th century. Johann Bayer, she took in his 1603 celestial atlas published Uranometria.
It is the southern counterpart of the northern or "female" water snake (Latin for Hydra ).
Celestial objects
Stars
β hydrides is only 24.4 light years away, one of the next stars in the solar neighborhood. It is a yellowish shining star of spectral type G1 IV He has a similar mass as our sun but is developed with an age of about 7 billion years on and has ballooned to a diameter of more than 2 million kilometers.
α hydrides is a 71 light-years distant, white shining star of spectral type F0 V.
The star SMSS0313 - 6708 should ever be the oldest known sun.