HR4155

HR4155 is a hypergiant star in the constellation of Sextans.

HR4155 visual magnitude is 6.57. Because of its reltive faintness, HR4155 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 HR4155:

Celestial coordinates and finder chart of HR4155

HR4155 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 HR4155 are provided in the following table:

The simplified sky map below shows the position of HR4155 in the sky:

Visibility of HR4155 from your location

Today's HR4155 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Digitized Sky Survey image of HR4155

The image below is a photograph of HR4155 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 HR4155 is 0.018 arcsec per year in Right Ascension and -0.033 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Distance of HR4155 from the Sun and relative movement

HR4155 is distant 187.68 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

Spectral properties of HR4155

HR4155 belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.

The red dot in the diagram below shows where HR4155 is situated in the Hertzsprung–Russell diagram.

Alternative designations of HR4155