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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
north SunriseRise: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
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All Constellations » Pictor » 


Altitude: -6.7°   Azimuth: 191.3°   Direction: South-South-West

HR1813 is a giant star in the constellation of Pictor.

HR1813 visual magnitude is 6.08. Because of its reltive faintness, HR1813 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 HR1813:


HR1813 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -6.7°
Azimuth: 191.3°
Direction: South-South-West

Celestial coordinates and finder chart of HR1813

HR1813 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 HR1813 are provided in the following table:

05h 24m 55s
-44° 13’ 32”

The simplified sky map below shows the position of HR1813 in the sky:

Finder chart HR1813 star
Simplified finder chart for HR1813.

Visibility of HR1813 from your location

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

HR1813 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR1813

The image below is a photograph of HR1813 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 HR1813 is 0.003 arcsec per year in Right Ascension and 0.005 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR1813 star
DSS2 image of HR1813. The red arrow shows the motion of HR1813 during the next 100000 years (5.00 arcmin in Right Ascension and 8.33 arcmin in declination);

Distance of HR1813 from the Sun and relative movement

HR1813 is distant 531.81 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

163.13 pc
531.81 ly
15 km/s
0.003 arcsec/year
0.005 arcsec/year

Spectral properties of HR1813

HR1813 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 HR1813 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR1813. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1813