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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: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
sunny DaytimeWhat's Visible Now?
All Constellations » Columba » 

HR2444

Altitude: -74.6°   Azimuth: 34.6°   Direction: North-East

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 skies, while it is not visible at all from skies affected by light pollution.

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);

Key facts about HR2444

6.04
Hypergiant

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

Altitude: -74.6°
Azimuth: 34.6°
Direction: North-East

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”
246.82°
-19°
Columba

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°

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.

0.42
K0III
4672K

The red dot in the diagram below shows where HR2444 is situated in the Hertzsprung–Russell 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:

6.04
10.04
4
25 arcsec

Alternative designations of HR2444

SAO197011
SAO197011