Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
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All Constellations » Puppis » 


HR3116 is a variable and multiple sub-giant star in the constellation of Puppis.

HR3116 visual magnitude is 5.09. Because of its reltive faintness, HR3116 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 HR3116:

HR3116 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3116

HR3116 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 HR3116 are provided in the following table:

07h 57m 18s
-44° 06’ 34”

The simplified sky map below shows the position of HR3116 in the sky:

Finder chart HR3116 star
Simplified finder chart for HR3116.

Visibility of HR3116 from your location

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

HR3116 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3116

The image below is a photograph of HR3116 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 HR3116 is -0.008 arcsec per year in Right Ascension and 0.009 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR3116 star
DSS2 image of HR3116. The red arrow shows the motion of HR3116 during the next 100000 years (-13.33 arcmin in Right Ascension and 15.00 arcmin in declination);

Distance of HR3116 from the Sun and relative movement

HR3116 is distant 1,283.46 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

393.70 pc
1,283.46 ly
16 km/s
-0.008 arcsec/year
0.009 arcsec/year

Spectral properties of HR3116

HR3116 belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR3116 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3116. Attribution: Richard Powell / CC BY-SA

HR3116 star system properties

HR3116 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR3116 double sysyem:

10 arcsec

Alternative designations of HR3116