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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
SunriseRise: 7:03  
clear_day Transit: 12:12  
SunsetSet: 17:22
sleep NighttimeWhat's Visible Now?
All Constellations » Vela » 


Altitude: -23.4°   Azimuth: 157.5°   Direction: South-South-East

HR3803 is a variable giant star in the constellation of Vela.

HR3803 visual magnitude is 3.13. Because of its moderate brightness, HR3803 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The proper motion of HR3803 is -0.032 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3803 star
DSS2 image of HR3803. The red arrow shows the motion of HR3803 during the next 10000 years (-5.33 arcmin in Right Ascension and 0.67 arcmin in declination);

Key facts about HR3803


HR3803 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -23.4°
Azimuth: 157.5°
Direction: South-South-East

Celestial coordinates and finder chart of HR3803

HR3803 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 HR3803 are provided in the following table:

09h 31m 13s
-57° 02’ 03”

The simplified sky map below shows the position of HR3803 in the sky:

Finder chart HR3803 star
Simplified finder chart for HR3803.

Visibility of HR3803 from your location

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

HR3803 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3803 from the Sun and relative movement

HR3803 is distant 237.61 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

72.89 pc
237.61 ly
-14 km/s
-0.032 arcsec/year
0.004 arcsec/year

Spectral properties of HR3803

HR3803 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3803 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3803. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3803