HR3116

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:

Color of HR3116 ⬤

Magnitude of HR3116 5.09

Class Sub-giant

VISIBILITY RIGHT NOW 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:

Right Ascension J2000 07h 57m 18s

Declination J2000 -44° 06’ 34”

Galactic Longitude 258.9°

Galactic Latitude -7.83°

Constellation Puppis

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

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.

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.

Distance (parsec) 393.70 pc

Distance (light year) 1,283.46 ly

Heliocentric radial velocity 16 km/s

Proper Motion RA -0.008 arcsec/year

Proper Motion Dec 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.

Absolute magnitude -2.89

Spectral Type B2IV

Color Index (B-V) -0.17

Temperature of HR3116 12902K

The red dot in the diagram below shows where HR3116 is situated in the Hertzsprung–Russell 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:

Main star magnitude 5.09

Secondary star magnitude 13.99

Magnitude difference 8.9

Separation 10 arcsec

Alternative designations of HR3116

Henry Draper Catalogue HD65551

SAO Catalogue SAO219197

Hipparcos Catalogue HIP38872

Durchmusterung Catalogue CD-43 3766

FK5 Catalogue 2616

General Catalogue of Variable Stars Var

In Evidence

Other stars in Puppis