φ2 Hydrae (phi2 Hydrae)
φ2 Hydrae is a double giant star in the constellation of Hydra.
φ2 Hydrae visual magnitude is 6.03. Because of its reltive faintness, φ2 Hydrae should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.
The table below summarizes the key facts about φ2 Hydrae:
Celestial coordinates and finder chart of φ2 Hydrae
φ2 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 φ2 Hydrae are provided in the following table:
The simplified sky map below shows the position of φ2 Hydrae in the sky:
Visibility of φ2 Hydrae from your location
Digitized Sky Survey image of φ2 Hydrae
The image below is a photograph of φ2 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 φ2 Hydrae is -0.026 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of φ2 Hydrae from the Sun and relative movement
φ2 Hydrae is distant 967.36 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.
Spectral properties of φ2 Hydrae
φ2 Hydrae belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where φ2 Hydrae is situated in the Hertzsprung–Russell diagram.
φ2 Hydrae star system properties
φ2 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 φ2 Hydrae double sysyem: