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: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:10 south
sunny DaytimeWhat's Visible Now
All Constellations » Columba » 


Altitude: -9.5°   Azimuth: 216.5°   Direction: South-West

HR2055 is a double giant star in the constellation of Columba.

HR2055 visual magnitude is 6.7. Because of its reltive faintness, HR2055 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 HR2055:


HR2055 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -9.5°
Azimuth: 216.5°
Direction: South-West

Celestial coordinates and finder chart of HR2055

HR2055 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 HR2055 are provided in the following table:

05h 52m 47s
-38° 31’ 32”

The simplified sky map below shows the position of HR2055 in the sky:

Finder chart HR2055 star
Simplified finder chart for HR2055.

Visibility of HR2055 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR2055 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR2055

The image below is a photograph of HR2055 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 HR2055 is 0.004 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR2055 star
DSS2 image of HR2055. The red arrow shows the motion of HR2055 during the next 100000 years (6.67 arcmin in Right Ascension and -6.67 arcmin in declination);

Distance of HR2055 from the Sun and relative movement

HR2055 is distant 1,112.63 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

341.30 pc
1,112.63 ly
4 km/s
0.004 arcsec/year
-0.004 arcsec/year

Spectral properties of HR2055

HR2055 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR2055 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR2055. Attribution: Richard Powell / CC BY-SA

HR2055 star system properties

HR2055 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR2055 double sysyem:

1.2 arcsec

Alternative designations of HR2055