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: 4:51  
clear_day Transit: 12:56  
SunsetSet: 21:00 south
sunny DaytimeWhat's Visible Now
All Constellations » Canis Major » 


HR2497 is a double sub-giant star in the constellation of Canis Major.

HR2497 visual magnitude is 6.54. Because of its reltive faintness, HR2497 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 HR2497:

HR2497 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 2°.

Celestial coordinates and finder chart of HR2497

HR2497 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 HR2497 are provided in the following table:

06h 45m 02s
-30° 35’ 09”
Canis Major

The simplified sky map below shows the position of HR2497 in the sky:

Finder chart HR2497 star
Simplified finder chart for HR2497.

Visibility of HR2497 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 HR2497 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: 120.6°
Max altitude: 7.9°
Azimuth: 239.4°
HR2497 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2497

The image below is a photograph of HR2497 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 HR2497 is -0.026 arcsec per year in Right Ascension and 0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2497 star
DSS2 image of HR2497. The red arrow shows the motion of HR2497 during the next 10000 years (-4.33 arcmin in Right Ascension and 2.83 arcmin in declination);

Distance of HR2497 from the Sun and relative movement

HR2497 is distant 928.77 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

284.90 pc
928.77 ly
18 km/s
-0.026 arcsec/year
0.017 arcsec/year

Spectral properties of HR2497

HR2497 belongs to spectral class B8 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR2497 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2497. Attribution: Richard Powell / CC BY-SA

HR2497 star system properties

HR2497 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR2497 double sysyem:

4.4 arcsec

Alternative designations of HR2497