HR2444

Below the horizon. Rise: 5:36 | Tran: 6:12 | Set: 6:48

Alt: -5.72° Az: 209.37° Direction: South-South-West

HR2444 is a multiple hypergiant star of spectral class K0 in the constellation of Columba.

HR2444 visual magnitude is 6.04. Because of its faintness, HR2444 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

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);

Celestial Coordinates

Apparent

Right Ascension 06h 37m 52s

Declination -38° 10’ 08”

Hour Angle 02h 33m 27s

Sideral Time 09h 11m 20s

J2000

Right Ascension 06h 37m 01s

Declination -38° 08’ 48”

Galactic Coordinates

Galactic Longitude 246.82°

Galactic Latitude -19°

Finder Chart

Simplified finder chart for HR2444.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.04

Class Hypergiant

Absolute magnitude 0.42

Spectral Type K0III

Color Index (B-V) 1.03

Temperature 4672K

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

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

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:

Main star magnitude 6.04

Secondary star magnitude 10.04

Magnitude difference 4

Separation 25 arcsec

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 132.98

Distance (light year) 433.51

Radial Speed 29 km/s

Proper Motion RA 0.006 arcsec/y

Proper Motion Dec 0.04"/y

Alternative Designations

Henry Draper Catalogue HD47463

SAO Catalogue SAO197011

Hipparcos Catalogue HIP31617

Durchmusterung Catalogue CD-38 2782

Visibility from Your Location

Today's HR2444 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 128.2° RISE 5:36

Max altitude: 0.4° TRANSIT 6:12

Azimuth: 231.8° SET 6:48

Set Location

Other stars in Columba