Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

HR4521

HR4521 is a giant star in the constellation of Ursa Major.

HR4521 visual magnitude is 5.27. Because of its reltive faintness, HR4521 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 HR4521:

5.27
Giant
HR4521 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 62°.

Celestial coordinates and finder chart of HR4521

HR4521 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 HR4521 are provided in the following table:

11h 46m 55s
+55° 37’ 41”
140.77°
59.21°
Ursa Major

The simplified sky map below shows the position of HR4521 in the sky:

Finder chart HR4521 star
Simplified finder chart for HR4521.

Visibility of HR4521 from your location

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

HR4521 is circumpolar and transits at 11:27 UTC (altitude: 85.9°)

Digitized Sky Survey image of HR4521

The image below is a photograph of HR4521 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 HR4521 is 0.014 arcsec per year in Right Ascension and -0.03 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4521 star
DSS2 image of HR4521. The red arrow shows the motion of HR4521 during the next 10000 years (2.33 arcmin in Right Ascension and -5.00 arcmin in declination);

Distance of HR4521 from the Sun and relative movement

HR4521 is distant 206.33 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

63.29 pc
206.33 ly
2 km/s
0.014 arcsec/year
-0.03 arcsec/year

Spectral properties of HR4521

HR4521 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.

1.26
K2III
4176K

The red dot in the diagram below shows where HR4521 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4521. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4521

SAO28142
SAO28142