Your Guide to the Solar System and the Night Sky
Donate now! You'll help cover server costs, enhance the site and keep it ad-free.
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:10 south
wb_twilight Nautical TwilightWhat's Visible Now
All Constellations » Carina » 


Altitude: -65.7°   Azimuth: 236.2°   Direction: South-West

HR4007 is a variable giant star in the constellation of Carina.

HR4007 visual magnitude is 6.4. Because of its reltive faintness, HR4007 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 HR4007:


HR4007 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -65.7°
Azimuth: 236.2°
Direction: South-West

Celestial coordinates and finder chart of HR4007

HR4007 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4007 are provided in the following table:

10h 11m 35s
-58° 49’ 41”

The simplified sky map below shows the position of HR4007 in the sky:

Finder chart HR4007 star
Simplified finder chart for HR4007.

Visibility of HR4007 from your location

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

HR4007 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR4007

The image below is a photograph of HR4007 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 HR4007 is -0.051 arcsec per year in Right Ascension and 0.02 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4007 star
DSS2 image of HR4007. The red arrow shows the motion of HR4007 during the next 10000 years (-8.50 arcmin in Right Ascension and 3.33 arcmin in declination);

Distance of HR4007 from the Sun and relative movement

HR4007 is distant 754.63 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

231.48 pc
754.63 ly
-10 km/s
-0.051 arcsec/year
0.02 arcsec/year

Spectral properties of HR4007

HR4007 belongs to spectral class M3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4007 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4007. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4007