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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
north SunriseRise: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sunny DaytimeWhat's Visible Now?
All Constellations » Ursa Major » 


Altitude: 64.3°   Azimuth: 257.7°   Direction: West-South-West

HR4572 is a main-sequence star in the constellation of Ursa Major.

HR4572 visual magnitude is 6.62. Because of its reltive faintness, HR4572 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 HR4572:


HR4572 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 64.3°
Azimuth: 257.7°
Direction: West-South-West

Celestial coordinates and finder chart of HR4572

HR4572 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 HR4572 are provided in the following table:

11h 57m 14s
+40° 20’ 36”
Ursa Major

The simplified sky map below shows the position of HR4572 in the sky:

Finder chart HR4572 star
Simplified finder chart for HR4572.

Visibility of HR4572 from your location

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

HR4572 is circumpolar and transits at 06:38 UTC (altitude: 78.9°)

Digitized Sky Survey image of HR4572

The image below is a photograph of HR4572 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 HR4572 is -0.16 arcsec per year in Right Ascension and -0.062 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4572 star
DSS2 image of HR4572. The red arrow shows the motion of HR4572 during the next 1000 years (-2.67 arcmin in Right Ascension and -1.03 arcmin in declination);

Distance of HR4572 from the Sun and relative movement

HR4572 is distant 150.79 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.

46.25 pc
150.79 ly
26 km/s
-0.16 arcsec/year
-0.062 arcsec/year

Spectral properties of HR4572

HR4572 belongs to spectral class F6 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR4572 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4572. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4572