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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: 6:38  
clear_day Transit: 12:10  
SunsetSet: 17:43
sunny DaytimeWhat's Visible Now?
All Constellations » Leo » 

HR4006

Altitude: 23.0°   Azimuth: 74.8°   Direction: East-North-East

HR4006 is a giant star in the constellation of Leo.

HR4006 visual magnitude is 6.04. Because of its reltive faintness, HR4006 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 HR4006 is -0.018 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4006 star
DSS2 image of HR4006. The red arrow shows the motion of HR4006 during the next 10000 years (-3.00 arcmin in Right Ascension and 0.33 arcmin in declination);

Key facts about HR4006

6.04
Giant

HR4006 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 23.0°
Azimuth: 74.8°
Direction: East-North-East

Celestial coordinates and finder chart of HR4006

HR4006 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 HR4006 are provided in the following table:

10h 13m 49s
+27° 08’ 08”
203.65°
55.08°
Leo

The simplified sky map below shows the position of HR4006 in the sky:

Finder chart HR4006 star
Simplified finder chart for HR4006.

Visibility of HR4006 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 HR4006 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: 62.9°
Max altitude: 65.7°
Azimuth: 297.1°

Distance of HR4006 from the Sun and relative movement

HR4006 is distant 388.56 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

119.19 pc
388.56 ly
10 km/s
-0.018 arcsec/year
0.002 arcsec/year

Spectral properties of HR4006

HR4006 belongs to spectral class G3 and has a luminosity class of III corresponding to a giant star.

0.66
G3III
5134K

The red dot in the diagram below shows where HR4006 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4006. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4006

SAO81243
SAO81243