HR3643

HR3643 is a bright giant star in the constellation of Carina.

HR3643 visual magnitude is 4.48. Because of its moderate brightness, HR3643 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR3643:

Color of HR3643 ⬤

Magnitude of HR3643 4.48

Class Bright giant

VISIBILITY RIGHT NOW HR3643 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3643

HR3643 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 HR3643 are provided in the following table:

Right Ascension J2000 09h 05m 08s

Declination J2000 -72° 36’ 10”

Galactic Longitude 287.83°

Galactic Latitude -16.77°

Constellation Carina

The simplified sky map below shows the position of HR3643 in the sky:

Simplified finder chart for HR3643.

Visibility of HR3643 from your location

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

HR3643 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3643

The image below is a photograph of HR3643 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 HR3643 is -0.013 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR3643. The red arrow shows the motion of HR3643 during the next 10000 years (-2.17 arcmin in Right Ascension and -0.83 arcmin in declination);

Distance of HR3643 from the Sun and relative movement

HR3643 is distant 454.04 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

Distance (parsec) 139.28 pc

Distance (light year) 454.04 ly

Heliocentric radial velocity 22 km/s

Proper Motion RA -0.013 arcsec/year

Proper Motion Dec -0.005 arcsec/year

Spectral properties of HR3643

HR3643 belongs to spectral class F9 and has a luminosity class of II corresponding to a bright giant star.

Absolute magnitude -1.24

Spectral Type F9II

Color Index (B-V) 0.61

Temperature of HR3643 5929K

The red dot in the diagram below shows where HR3643 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3643. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3643

Henry Draper Catalogue HD78791

SAO Catalogue SAO256582

Hipparcos Catalogue HIP44599

Durchmusterung Catalogue CP-72 779

FK5 Catalogue 2720

In Evidence

Other stars in Carina