Your guide to the Solar System and the night sky
By donating now you help keep this site alive and free from ads. Please consider supporting this project.
🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 5:54  ☀️ Transit: 12:05  🌅 Sunset: 18:16


HR4493 is a star in the constellation of Ursa Major.

HR4493 visual magnitude is 6.37. Because of its reltive faintness, HR4493 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 HR4493:

HR4493 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 56°.

Celestial coordinates and finder chart of HR4493

HR4493 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4493 are provided in the following table:

11h 40m 27s
+57° 58’ 14”
Ursa Major

The simplified sky map below shows the position of HR4493 in the sky:

Finder chart HR4493 star
Simplified finder chart for HR4493.

Visibility of HR4493 from your location

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

HR4493 is circumpolar and transits at 23:31 UTC (altitude: 83.5°)

Digitized Sky Survey image of HR4493

The image below is a photograph of HR4493 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 HR4493 is -0.012 arcsec per year in Right Ascension and 0.021 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4493 star
DSS2 image of HR4493. The red arrow shows the motion of HR4493 during the next 10000 years (-2.00 arcmin in Right Ascension and 3.50 arcmin in declination);

Distance of HR4493 from the Sun and relative movement

HR4493 is distant 525.81 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

161.29 pc
525.81 ly
4 km/s
-0.012 arcsec/year
0.021 arcsec/year

Spectral properties of HR4493

HR4493 belongs to spectral class B9 HR4493 is also a HgMn chemically peculiar star.


The red dot in the diagram below shows where HR4493 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4493. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4493