δ Hydrae (delta Hydrae)
δ Hydrae is a double main-sequence star in the constellation of Hydra.
δ Hydrae visual magnitude is 4.16. Because of its moderate brightness, δ Hydrae should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.
The proper motion of δ Hydrae is -0.066 arcsec per year in Right Ascension and -0.007 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about δ Hydrae
Celestial coordinates and finder chart of δ Hydrae
δ Hydrae is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of δ Hydrae are provided in the following table:
The simplified sky map below shows the position of δ Hydrae in the sky:
Visibility of δ Hydrae from your location
Today's δ Hydrae (delta Hydrae) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of δ Hydrae from the Sun and relative movement
δ Hydrae is distant 179.02 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.
Spectral properties of δ Hydrae
δ Hydrae belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where δ Hydrae is situated in the Hertzsprung–Russell diagram.
δ Hydrae star system properties
δ Hydrae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the δ Hydrae double sysyem: