HR2446

Below the horizon. Rise: 5:14 | Tran: 6:28 | Set: 7:43

Alt: -3.28° Az: 153.66° Direction: South-South-East

HR2446 is a double sub-giant star of spectral class B7 in the constellation of Columba.

HR2446 visual magnitude is 5.71. Because of its faintness, HR2446 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 HR2446. The red arrow shows the motion of HR2446 during the next 10000 years (-2.33 arcmin in Right Ascension and 2.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 06h 38m 05s

Declination -37° 00’ 47”

Hour Angle 21h 45m 12s

Sideral Time 04h 23m 17s

J2000

Right Ascension 06h 37m 13s

Declination -36° 59’ 26”

Galactic Coordinates

Galactic Longitude 245.69°

Galactic Latitude -18.57°

Finder Chart

Simplified finder chart for HR2446.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.71

Class Sub-giant

Absolute magnitude -2.82

Spectral Type B7IV

Color Index (B-V) -0.12

Temperature 11920K

The red dot in the diagram below shows where HR2446 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2446. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR2446 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR2446 double sysyem:

Main star magnitude 5.71

Secondary star magnitude 6.51

Magnitude difference 0.8

Separation 0.6 arcsec

Distance, Radial Speed, Proper Motion

HR2446 is distant 1,654.82 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

Distance (parsec) 507.61

Distance (light year) 1,654.82

Radial Speed 21 km/s

Proper Motion RA -0.014 arcsec/y

Proper Motion Dec 0.017"/y

Alternative Designations

Henry Draper Catalogue HD47500

SAO Catalogue SAO197014

Hipparcos Catalogue HIP31637

Durchmusterung Catalogue CD-36 3031

Visibility from Your Location

Today's HR2446 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 127.0° RISE 5:14

Max altitude: 1.5° TRANSIT 6:28

Azimuth: 233.0° SET 7:43

Set Location

Other stars in Columba