HR2944

Altitude: -57.7° Azimuth: 314.3° Direction: North-West

HR2944 is a variable and double sub-giant star in the constellation of Puppis.

HR2944 visual magnitude is 4.7. Because of its moderate brightness, HR2944 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 HR2944:

Color of HR2944 ⬤

Magnitude of HR2944 4.7

Class Sub-giant

VISIBILITY RIGHT NOW

HR2944 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -57.7°
Azimuth: 314.3°
Direction: North-West

Celestial coordinates and finder chart of HR2944

HR2944 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 HR2944 are provided in the following table:

Right Ascension J2000 07h 38m 17s

Declination J2000 -25° 21’ 52”

Galactic Longitude 240.65°

Galactic Latitude -1.84°

Constellation Puppis

The simplified sky map below shows the position of HR2944 in the sky:

Simplified finder chart for HR2944.

Visibility of HR2944 from your location

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

Today's HR2944 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 115.4° RISE 12:10

Max altitude: 13.2° TRANSIT 15:43

Azimuth: 244.6° SET 19:15

RIGHT NOW HR2944 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2944

The image below is a photograph of HR2944 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 HR2944 is -0.007 arcsec per year in Right Ascension and -0.007 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR2944. The red arrow shows the motion of HR2944 during the next 100000 years (-11.67 arcmin in Right Ascension and -11.67 arcmin in declination);

Distance of HR2944 from the Sun and relative movement

HR2944 is distant 550.68 light years from the Sun and it is moving far from the Sun at the speed of 41 kilometers per second.

Distance (parsec) 168.92 pc

Distance (light year) 550.68 ly

Heliocentric radial velocity 41 km/s

Proper Motion RA -0.007 arcsec/year

Proper Motion Dec -0.007 arcsec/year

Spectral properties of HR2944

HR2944 belongs to spectral class B8 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude -1.44

Spectral Type B8IV

Color Index (B-V) -0.11

Temperature of HR2944 11744K

The red dot in the diagram below shows where HR2944 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2944. Attribution: Richard Powell / CC BY-SA

HR2944 star system properties

HR2944 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 HR2944 double sysyem:

Main star magnitude 4.7

Secondary star magnitude 5.1

Magnitude difference 0.4

Separation 0.2 arcsec

Alternative designations of HR2944

Henry Draper Catalogue HD61429

SAO Catalogue SAO174175

Hipparcos Catalogue HIP37173

Durchmusterung Catalogue CD-25 4828

General Catalogue of Variable Stars PU Pup

Aitken Double Star Catalogue ADS6246

In Evidence

Other stars in Puppis