Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:47  
clear_day Transit: 12:50  
SunsetSet: 18:52 south
sleep NighttimeWhat's Visible Now
All Constellations » Ursa Major » 


Altitude: 27.4°   Azimuth: 335.6°   Direction: North-North-West

HR4936 is a main-sequence star in the constellation of Ursa Major.

HR4936 visual magnitude is 6.53. Because of its reltive faintness, HR4936 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 HR4936:


HR4936 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 27.4°
Azimuth: 335.6°
Direction: North-North-West

Celestial coordinates and finder chart of HR4936

HR4936 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 HR4936 are provided in the following table:

13h 02m 40s
+59° 42’ 57”
Ursa Major

The simplified sky map below shows the position of HR4936 in the sky:

Finder chart HR4936 star
Simplified finder chart for HR4936.

Visibility of HR4936 from your location

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

HR4936 is circumpolar and transits at 12:50 UTC (altitude: 81.8°)

Digitized Sky Survey image of HR4936

The image below is a photograph of HR4936 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 HR4936 is -0.029 arcsec per year in Right Ascension and -0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4936 star
DSS2 image of HR4936. The red arrow shows the motion of HR4936 during the next 10000 years (-4.83 arcmin in Right Ascension and -2.67 arcmin in declination);

Distance of HR4936 from the Sun and relative movement

HR4936 is distant 615.09 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

188.68 pc
615.09 ly
-23 km/s
-0.029 arcsec/year
-0.016 arcsec/year

Spectral properties of HR4936

HR4936 belongs to spectral class A3 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR4936 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4936. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4936