HR3725

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:

Color of HR3725 ⬤

Magnitude of HR3725 6.31

Class Giant

VISIBILITY RIGHT NOW HR3725 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 14°.

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:

Right Ascension J2000 09h 24m 55s

Declination J2000 +51° 34’ 26”

Galactic Longitude 166°

Galactic Latitude 44.47°

Constellation Ursa Major

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

Simplified finder chart for HR3725.

Visibility of HR3725 from your location

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

HR3725 is circumpolar and transits at 21:24 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.

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.

Distance (parsec) 132.45 pc

Distance (light year) 431.79 ly

Heliocentric radial velocity -16 km/s

Proper Motion RA 0.041 arcsec/year

Proper Motion Dec -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.

Absolute magnitude 0.70

Spectral Type G2III

Color Index (B-V) 0.75

Temperature of HR3725 5436K

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

Main star magnitude 6.31

Secondary star magnitude 8.51

Magnitude difference 2.2

Separation 1.4 arcsec

Alternative designations of HR3725

Henry Draper Catalogue HD81025

SAO Catalogue SAO27246

Hipparcos Catalogue HIP46168

Durchmusterung Catalogue BD+52 1389

Aitken Double Star Catalogue ADS7348

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In Evidence

Other stars in Ursa Major