HR3139

HR3139 is a main-sequence star in the constellation of Carina.

HR3139 visual magnitude is 6.14. Because of its reltive faintness, HR3139 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 HR3139:

Color of HR3139 ⬤

Magnitude of HR3139 6.14

Class Main-sequence

VISIBILITY RIGHT NOW HR3139 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3139

HR3139 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 HR3139 are provided in the following table:

Right Ascension J2000 07h 57m 12s

Declination J2000 -63° 17’ 48”

Galactic Longitude 276.13°

Galactic Latitude -17.11°

Constellation Carina

The simplified sky map below shows the position of HR3139 in the sky:

Simplified finder chart for HR3139.

Visibility of HR3139 from your location

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

HR3139 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3139

The image below is a photograph of HR3139 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 HR3139 is -0.018 arcsec per year in Right Ascension and 0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR3139. The red arrow shows the motion of HR3139 during the next 10000 years (-3.00 arcmin in Right Ascension and 2.50 arcmin in declination);

Distance of HR3139 from the Sun and relative movement

HR3139 is distant 463.73 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

Distance (parsec) 142.25 pc

Distance (light year) 463.73 ly

Heliocentric radial velocity 23 km/s

Proper Motion RA -0.018 arcsec/year

Proper Motion Dec 0.015 arcsec/year

Spectral properties of HR3139

HR3139 belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 0.37

Spectral Type B8V

Color Index (B-V) -0.1

Temperature of HR3139 11573K

The red dot in the diagram below shows where HR3139 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3139. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3139

Henry Draper Catalogue HD65908

SAO Catalogue SAO250030

Hipparcos Catalogue HIP38863

Durchmusterung Catalogue CP-62 925

In Evidence

Other stars in Carina