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🌎  Greenwich, United Kingdom [change]

HR4458

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:

5.98
Hypergiant
HR4458 is below the horizon from Greenwich, United Kingdom [change].

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 emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4458 are provided in the following table:

11h 34m 29s
-32° 49’ 53”
284.79°
27.31°
Hydra

The simplified sky map below shows the position of HR4458 in the sky:

Finder chart HR4458 star
Simplified finder chart for HR4458.

Visibility of HR4458 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR4458 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 122.8°
Max altitude: 5.7°
Azimuth: 237.2°
HR4458 is below the horizon from Greenwich, United Kingdom

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.

Image of HR4458 star
DSS2 image of HR4458. The red arrow shows the motion of HR4458 during the next 1000 years (-11.23 arcmin in Right Ascension and 13.77 arcmin in declination);

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.

9.54 pc
31.10 ly
-23 km/s
-0.674 arcsec/year
0.826 arcsec/year

Spectral properties of HR4458

HR4458 belongs to spectral class K0 and has a luminosity class of V corresponding to a hypergiant star.

6.08
K0V
5251K

The red dot in the diagram below shows where HR4458 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4458. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4458

SAO202583
SAO202583
Gl 432 A