HR4804

HR4804 is a double main-sequence star in the constellation of Musca.

HR4804 visual magnitude is 6.49. Because of its reltive faintness, HR4804 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 HR4804:

Celestial coordinates and finder chart of HR4804

HR4804 is situated close to the southern celestial pole and, as such, it is easilty visible for most part of the year from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4804 are provided in the following table:

The simplified sky map below shows the position of HR4804 in the sky:

Visibility of HR4804 from your location

HR4804 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4804

The image below is a photograph of HR4804 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 HR4804 is -0.032 arcsec per year in Right Ascension and 0.031 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Distance of HR4804 from the Sun and relative movement

HR4804 is distant 768.87 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

Spectral properties of HR4804

HR4804 belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.

The red dot in the diagram below shows where HR4804 is situated in the Hertzsprung–Russell diagram.

HR4804 star system properties

HR4804 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR4804 double sysyem:

Alternative designations of HR4804