HR4158 is a double main-sequence star in the constellation of Hydra.
HR4158 visual magnitude is 5.7. Because of its reltive faintness, HR4158 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 HR4158:
Celestial coordinates and finder chart of HR4158
HR4158 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 HR4158 are provided in the following table:
The simplified sky map below shows the position of HR4158 in the sky:
Visibility of HR4158 from your location
Today's HR4158 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 HR4158
The image below is a photograph of HR4158 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 HR4158 is 0.268 arcsec per year in Right Ascension and -0.673 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of HR4158 from the Sun and relative movement
HR4158 is distant 80.16 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.
Spectral properties of HR4158
HR4158 belongs to spectral class F7 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where HR4158 is situated in the Hertzsprung–Russell diagram.
HR4158 star system properties
HR4158 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR4158 double sysyem: