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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
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All Constellations » Vela » 


Altitude: -78.0°   Azimuth: 29.0°   Direction: North-North-East

HR3807 is a double giant star in the constellation of Vela.

HR3807 visual magnitude is 5.35. Because of its reltive faintness, HR3807 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 HR3807 is 0.011 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3807 star
DSS2 image of HR3807. The red arrow shows the motion of HR3807 during the next 10000 years (1.83 arcmin in Right Ascension and -2.00 arcmin in declination);

Key facts about HR3807


HR3807 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -78.0°
Azimuth: 29.0°
Direction: North-North-East

Celestial coordinates and finder chart of HR3807

HR3807 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 HR3807 are provided in the following table:

09h 32m 19s
-40° 38’ 57”

The simplified sky map below shows the position of HR3807 in the sky:

Finder chart HR3807 star
Simplified finder chart for HR3807.

Visibility of HR3807 from your location

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

HR3807 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3807 from the Sun and relative movement

HR3807 is distant 389.95 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

119.62 pc
389.95 ly
-1 km/s
0.011 arcsec/year
-0.012 arcsec/year

Spectral properties of HR3807

HR3807 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3807 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR3807. Attribution: Richard Powell / CC BY-SA

HR3807 star system properties

HR3807 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR3807 double sysyem:

1.1 arcsec

Alternative designations of HR3807