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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: 5:43  
clear_day Transit: 12:56  
SunsetSet: 20:10
sunny DaytimeWhat's Visible Now?
All Constellations » Vela » 


Altitude: -75.3°   Azimuth: 98.4°   Direction: East

HR3819 is a sub-giant star in the constellation of Vela.

HR3819 visual magnitude is 5.01. Because of its reltive faintness, HR3819 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR3819 is -0.003 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 HR3819 star
DSS2 image of HR3819. The red arrow shows the motion of HR3819 during the next 100000 years (-5.00 arcmin in Right Ascension and 6.67 arcmin in declination);

Key facts about HR3819


HR3819 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -75.3°
Azimuth: 98.4°
Direction: East

Celestial coordinates and finder chart of HR3819

HR3819 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 HR3819 are provided in the following table:

09h 34m 08s
-51° 15’ 19”

The simplified sky map below shows the position of HR3819 in the sky:

Finder chart HR3819 star
Simplified finder chart for HR3819.

Visibility of HR3819 from your location

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

HR3819 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3819 from the Sun and relative movement

HR3819 is distant 931.43 light years from the Sun and it is moving far from the Sun at the speed of 35 kilometers per second.

285.71 pc
931.43 ly
35 km/s
-0.003 arcsec/year
0.004 arcsec/year

Spectral properties of HR3819

HR3819 belongs to spectral class B1 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR3819 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3819. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3819