HR4579 is a double hypergiant star in the constellation of Hydra.
HR4579 visual magnitude is 6.43. Because of its reltive faintness, HR4579 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 HR4579:
Celestial coordinates and finder chart of HR4579
HR4579 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4579 are provided in the following table:
The simplified sky map below shows the position of HR4579 in the sky:
Visibility of HR4579 from your location
Today's HR4579 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 HR4579
The image below is a photograph of HR4579 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 HR4579 is -0.027 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR4579 from the Sun and relative movement
HR4579 is distant 890.71 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.
Spectral properties of HR4579
HR4579 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.
The red dot in the diagram below shows where HR4579 is situated in the Hertzsprung–Russell diagram.
HR4579 star system properties
HR4579 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 HR4579 double sysyem: