We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate now and help us to keep this site free and ad-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sleep NighttimeWhat's Visible Now?
All Constellations » Ursa Major » 


Altitude: 21.4°   Azimuth: 30.7°   Direction: North-North-East

HR3725 is a double giant star in the constellation of Ursa Major.

HR3725 visual magnitude is 6.31. Because of its reltive faintness, HR3725 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 HR3725:


HR3725 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 21.4°
Azimuth: 30.7°
Direction: North-North-East

Celestial coordinates and finder chart of HR3725

HR3725 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 HR3725 are provided in the following table:

09h 24m 55s
+51° 34’ 26”
Ursa Major

The simplified sky map below shows the position of HR3725 in the sky:

Finder chart HR3725 star
Simplified finder chart for HR3725.

Visibility of HR3725 from your location

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

HR3725 is circumpolar and transits at 04:30 UTC (altitude: 89.9°)

Digitized Sky Survey image of HR3725

The image below is a photograph of HR3725 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 HR3725 is 0.041 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3725 star
DSS2 image of HR3725. The red arrow shows the motion of HR3725 during the next 10000 years (6.83 arcmin in Right Ascension and -0.83 arcmin in declination);

Distance of HR3725 from the Sun and relative movement

HR3725 is distant 431.79 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

132.45 pc
431.79 ly
-16 km/s
0.041 arcsec/year
-0.005 arcsec/year

Spectral properties of HR3725

HR3725 belongs to spectral class G2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3725 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3725. Attribution: Richard Powell / CC BY-SA

HR3725 star system properties

HR3725 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR3725 double sysyem:

1.4 arcsec

Alternative designations of HR3725