τ2 Hydrae (tau2 Hydrae)
τ2 Hydrae is a main-sequence star in the constellation of Hydra.
τ2 Hydrae visual magnitude is 4.57. Because of its moderate brightness, τ2 Hydrae should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about τ2 Hydrae:
Celestial coordinates and finder chart of τ2 Hydrae
τ2 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 τ2 Hydrae are provided in the following table:
The simplified sky map below shows the position of τ2 Hydrae in the sky:
Visibility of τ2 Hydrae from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's τ2 Hydrae (tau2 Hydrae) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of τ2 Hydrae
The image below is a photograph of τ2 Hydrae 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 τ2 Hydrae is -0.012 arcsec per year in Right Ascension and -0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of τ2 Hydrae from the Sun and relative movement
τ2 Hydrae is distant 458.51 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.
Spectral properties of τ2 Hydrae
τ2 Hydrae belongs to spectral class A3 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where τ2 Hydrae is situated in the Hertzsprung–Russell diagram.