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: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
sunny DaytimeWhat's Visible Now
All Constellations » Leo » 


Altitude: -35.7°   Azimuth: 325.5°   Direction: North-West

HR4249 is a double hypergiant star in the constellation of Leo.

HR4249 visual magnitude is 6.12. Because of its reltive faintness, HR4249 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 HR4249:


HR4249 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -35.7°
Azimuth: 325.5°
Direction: North-West

Celestial coordinates and finder chart of HR4249

HR4249 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 HR4249 are provided in the following table:

10h 53m 24s
-02° 15’ 19”

The simplified sky map below shows the position of HR4249 in the sky:

Finder chart HR4249 star
Simplified finder chart for HR4249.

Visibility of HR4249 from your location

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

Today's HR4249 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 92.3°
Max altitude: 36.3°
Azimuth: 267.7°
HR4249 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4249

The image below is a photograph of HR4249 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 HR4249 is -0.138 arcsec per year in Right Ascension and -0.083 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4249 star
DSS2 image of HR4249. The red arrow shows the motion of HR4249 during the next 1000 years (-2.30 arcmin in Right Ascension and -1.38 arcmin in declination);

Distance of HR4249 from the Sun and relative movement

HR4249 is distant 260.59 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.

79.94 pc
260.59 ly
26 km/s
-0.138 arcsec/year
-0.083 arcsec/year

Spectral properties of HR4249

HR4249 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR4249 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4249. Attribution: Richard Powell / CC BY-SA

HR4249 star system properties

HR4249 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR4249 double sysyem:

35.2 arcsec

Alternative designations of HR4249