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
sunny DaytimeWhat's Visible Now
All Constellations » Columba » 


Altitude: -5.2°   Azimuth: 211.2°   Direction: South-South-West

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

HR2446 visual magnitude is 5.71. Because of its reltive faintness, HR2446 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 HR2446:


HR2446 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -5.2°
Azimuth: 211.2°
Direction: South-South-West

Celestial coordinates and finder chart of HR2446

HR2446 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 HR2446 are provided in the following table:

06h 37m 13s
-36° 59’ 26”

The simplified sky map below shows the position of HR2446 in the sky:

Finder chart HR2446 star
Simplified finder chart for HR2446.

Visibility of HR2446 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 HR2446 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: 127.0°
Max altitude: 1.5°
Azimuth: 233.0°
HR2446 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2446

The image below is a photograph of HR2446 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 HR2446 is -0.014 arcsec per year in Right Ascension and 0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2446 star
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);

Distance of HR2446 from the Sun and relative movement

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.

507.61 pc
1,654.82 ly
21 km/s
-0.014 arcsec/year
0.017 arcsec/year

Spectral properties of HR2446

HR2446 belongs to spectral class B7 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR2446 is situated in the HertzsprungÔÇôRussell diagram.

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

HR2446 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:

0.6 arcsec

Alternative designations of HR2446