HR3944

HR3944 is a supergiant star in the constellation of Carina.

HR3944 visual magnitude is 6.35. Because of its reltive faintness, HR3944 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 HR3944:

Color of HR3944 ⬤

Magnitude of HR3944 6.35

Class Supergiant

VISIBILITY RIGHT NOW HR3944 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3944

HR3944 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 HR3944 are provided in the following table:

Right Ascension J2000 09h 56m 09s

Declination J2000 -71° 23’ 21”

Galactic Longitude 289.82°

Galactic Latitude -13.13°

Constellation Carina

The simplified sky map below shows the position of HR3944 in the sky:

Simplified finder chart for HR3944.

Visibility of HR3944 from your location

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

HR3944 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3944

The image below is a photograph of HR3944 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 HR3944 is -0.02 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR3944. The red arrow shows the motion of HR3944 during the next 10000 years (-3.33 arcmin in Right Ascension and -0.33 arcmin in declination);

Distance of HR3944 from the Sun and relative movement

HR3944 is distant 2,050.31 light years from the Sun and it is moving towards the Sun at the speed of 30 kilometers per second.

Distance (parsec) 628.93 pc

Distance (light year) 2,050.31 ly

Heliocentric radial velocity -30 km/s

Proper Motion RA -0.02 arcsec/year

Proper Motion Dec -0.002 arcsec/year

Spectral properties of HR3944

HR3944 belongs to spectral class B9 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -2.64

Spectral Type B9I

Color Index (B-V) -0.08

Temperature of HR3944 11247K

The red dot in the diagram below shows where HR3944 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3944. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3944

Henry Draper Catalogue HD86606

SAO Catalogue SAO256672

Hipparcos Catalogue HIP48715

Durchmusterung Catalogue CP-70 953

FK5 Catalogue 2799

In Evidence

Other stars in Carina