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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
sunny DaytimeWhat's Visible Now?
All Constellations » Ursa Major » 

HR4452

Altitude: 10.7°   Azimuth: 317.8°   Direction: North-West

HR4452 is a hypergiant star in the constellation of Ursa Major.

HR4452 visual magnitude is 6.4. Because of its reltive faintness, HR4452 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR4452 is -0.129 arcsec per year in Right Ascension and -0.046 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4452 star
DSS2 image of HR4452. The red arrow shows the motion of HR4452 during the next 1000 years (-2.15 arcmin in Right Ascension and -0.77 arcmin in declination);

Key facts about HR4452

6.4
Hypergiant

HR4452 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 10.7°
Azimuth: 317.8°
Direction: North-West

Celestial coordinates and finder chart of HR4452

HR4452 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 HR4452 are provided in the following table:

11h 33m 56s
+36° 48’ 56”
177.5°
70.98°
Ursa Major

The simplified sky map below shows the position of HR4452 in the sky:

Finder chart HR4452 star
Simplified finder chart for HR4452.

Visibility of HR4452 from your location

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

Today's HR4452 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 53.2°
Max altitude: 75.3°
Azimuth: 306.8°

Distance of HR4452 from the Sun and relative movement

HR4452 is distant 424.48 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

130.21 pc
424.48 ly
18 km/s
-0.129 arcsec/year
-0.046 arcsec/year

Spectral properties of HR4452

HR4452 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

0.83
K0III
4626K

The red dot in the diagram below shows where HR4452 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4452. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4452

SAO62604
SAO62604