HR4458 is a hypergiant star in the constellation of Hydra.
HR4458 visual magnitude is 5.98. Because of its reltive faintness, HR4458 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 HR4458:
Celestial coordinates and finder chart of HR4458
HR4458 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 HR4458 are provided in the following table:
The simplified sky map below shows the position of HR4458 in the sky:
Visibility of HR4458 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's HR4458 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 HR4458
The image below is a photograph of HR4458 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 HR4458 is -0.674 arcsec per year in Right Ascension and 0.826 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of HR4458 from the Sun and relative movement
HR4458 is distant 31.10 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.
Spectral properties of HR4458
HR4458 belongs to spectral class K0 and has a luminosity class of V corresponding to a hypergiant star.
The red dot in the diagram below shows where HR4458 is situated in the Hertzsprung–Russell diagram.