HR4974

HR4974 is a double main-sequence star in the constellation of Ursa Major.

HR4974 visual magnitude is 6.54. Because of its reltive faintness, HR4974 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 HR4974:

Color of HR4974 ⬤

Magnitude of HR4974 6.54

Class Main-sequence

VISIBILITY RIGHT NOW HR4974 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 52°.

Celestial coordinates and finder chart of HR4974

HR4974 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4974 are provided in the following table:

Right Ascension J2000 13h 09m 50s

Declination J2000 +62° 13’ 45”

Galactic Longitude 119.22°

Galactic Latitude 54.77°

Constellation Ursa Major

The simplified sky map below shows the position of HR4974 in the sky:

Simplified finder chart for HR4974.

Visibility of HR4974 from your location

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

HR4974 is circumpolar and transits at 00:49 UTC (altitude: 79.3°)

Digitized Sky Survey image of HR4974

The image below is a photograph of HR4974 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 HR4974 is -0.03 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR4974. The red arrow shows the motion of HR4974 during the next 10000 years (-5.00 arcmin in Right Ascension and -1.33 arcmin in declination);

Distance of HR4974 from the Sun and relative movement

HR4974 is distant 722.84 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

Distance (parsec) 221.73 pc

Distance (light year) 722.84 ly

Heliocentric radial velocity -17 km/s

Proper Motion RA -0.03 arcsec/year

Proper Motion Dec -0.008 arcsec/year

Spectral properties of HR4974

HR4974 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude -0.19

Spectral Type A1V

Color Index (B-V) -0.02

Temperature of HR4974 10382K

The red dot in the diagram below shows where HR4974 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4974. Attribution: Richard Powell / CC BY-SA

HR4974 star system properties

HR4974 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR4974 double sysyem:

Main star magnitude 6.54

Secondary star magnitude 9.74

Magnitude difference 3.2

Separation 107.8 arcsec

Alternative designations of HR4974

Henry Draper Catalogue HD114504

SAO Catalogue SAO15999

Hipparcos Catalogue HIP64231

Durchmusterung Catalogue BD+63 1056

FK5 Catalogue 3050

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Other stars in Ursa Major