HR3751

Altitude: 43.5° Azimuth: 5.2° Direction: North

HR3751 is a giant star in the constellation of Draco.

HR3751 visual magnitude is 4.29. Because of its moderate brightness, HR3751 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR3751:

Color of HR3751 ⬤

Magnitude of HR3751 4.29

Class Giant

VISIBILITY RIGHT NOW

HR3751 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 43.5°
Azimuth: 5.2°
Direction: North

Celestial coordinates and finder chart of HR3751

HR3751 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 HR3751 are provided in the following table:

Right Ascension J2000 09h 37m 05s

Declination J2000 +81° 19’ 35”

Galactic Longitude 130.65°

Galactic Latitude 32.65°

Constellation Draco

The simplified sky map below shows the position of HR3751 in the sky:

Simplified finder chart for HR3751.

Visibility of HR3751 from your location

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

HR3751 is circumpolar and transits at 04:50 UTC (altitude: 60.2°)

Digitized Sky Survey image of HR3751

The image below is a photograph of HR3751 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 HR3751 is -0.019 arcsec per year in Right Ascension and -0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR3751. The red arrow shows the motion of HR3751 during the next 10000 years (-3.17 arcmin in Right Ascension and -2.33 arcmin in declination);

Distance of HR3751 from the Sun and relative movement

HR3751 is distant 1,075.91 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

Distance (parsec) 330.03 pc

Distance (light year) 1,075.91 ly

Heliocentric radial velocity -5 km/s

Proper Motion RA -0.019 arcsec/year

Proper Motion Dec -0.014 arcsec/year

Spectral properties of HR3751

HR3751 belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -3.30

Spectral Type K3III

Color Index (B-V) 1.48

Temperature of HR3751 3824K

The red dot in the diagram below shows where HR3751 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3751. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3751

Henry Draper Catalogue HD81817

SAO Catalogue SAO1551

Hipparcos Catalogue HIP47193

Durchmusterung Catalogue BD+81 302

FK5 Catalogue 910

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In Evidence

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