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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: 6:42  
clear_day Transit: 12:10  
SunsetSet: 17:40
sunny DaytimeWhat's Visible Now?
All Constellations » Leo » 


Altitude: -10.0°   Azimuth: 346.3°   Direction: North-North-West

HR4041 is a hypergiant star in the constellation of Leo.

HR4041 visual magnitude is 6.52. Because of its reltive faintness, HR4041 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 HR4041 is -0.057 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4041 star
DSS2 image of HR4041. The red arrow shows the motion of HR4041 during the next 10000 years (-9.50 arcmin in Right Ascension and 1.00 arcmin in declination);

Key facts about HR4041


HR4041 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -10.0°
Azimuth: 346.3°
Direction: North-North-West

Celestial coordinates and finder chart of HR4041

HR4041 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 HR4041 are provided in the following table:

10h 18m 10s
+27° 24’ 55”

The simplified sky map below shows the position of HR4041 in the sky:

Finder chart HR4041 star
Simplified finder chart for HR4041.

Visibility of HR4041 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 HR4041 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: 62.6°
Max altitude: 65.9°
Azimuth: 297.4°

Distance of HR4041 from the Sun and relative movement

HR4041 is distant 416.35 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

127.71 pc
416.35 ly
7 km/s
-0.057 arcsec/year
0.006 arcsec/year

Spectral properties of HR4041

HR4041 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR4041 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4041. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4041