Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:46  
clear_day Transit: 12:57  
SunsetSet: 21:08 south
wb_twilight Nautical TwilightWhat's Visible Now
All Constellations » Columba » 


Altitude: -44.6°   Azimuth: 261.2°   Direction: West

HR2444 is a multiple hypergiant star in the constellation of Columba.

HR2444 visual magnitude is 6.04. Because of its reltive faintness, HR2444 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 HR2444:


HR2444 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -44.6°
Azimuth: 261.2°
Direction: West

Celestial coordinates and finder chart of HR2444

HR2444 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 HR2444 are provided in the following table:

06h 37m 01s
-38° 08’ 48”

The simplified sky map below shows the position of HR2444 in the sky:

Finder chart HR2444 star
Simplified finder chart for HR2444.

Visibility of HR2444 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 HR2444 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: 128.1°
Max altitude: 0.4°
Azimuth: 231.9°
HR2444 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2444

The image below is a photograph of HR2444 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 HR2444 is 0.006 arcsec per year in Right Ascension and 0.04 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2444 star
DSS2 image of HR2444. The red arrow shows the motion of HR2444 during the next 10000 years (1.00 arcmin in Right Ascension and 6.67 arcmin in declination);

Distance of HR2444 from the Sun and relative movement

HR2444 is distant 433.51 light years from the Sun and it is moving far from the Sun at the speed of 29 kilometers per second.

132.98 pc
433.51 ly
29 km/s
0.006 arcsec/year
0.04 arcsec/year

Spectral properties of HR2444

HR2444 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR2444 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR2444. Attribution: Richard Powell / CC BY-SA

HR2444 star system properties

HR2444 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR2444 double sysyem:

25 arcsec

Alternative designations of HR2444