Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]

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:

6.35
Supergiant
HR3944 is below the horizon from Greenwich, United Kingdom [change].

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 emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3944 are provided in the following table:

09h 56m 09s
-71° 23’ 21”
289.82°
-13.13°
Carina

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

Finder chart HR3944 star
Simplified finder chart for HR3944.

Visibility of HR3944 from your location

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

HR3944 is currently not visible from Greenwich, United Kingdom [change]

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.

Image of HR3944 star
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.

628.93 pc
2,050.31 ly
-30 km/s
-0.02 arcsec/year
-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.

-2.64
B9I
11247K

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

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

Alternative designations of HR3944

SAO256672
SAO256672