HR2791

HR2791 is a main-sequence star in the constellation of Puppis.

HR2791 visual magnitude is 5.25. Because of its reltive faintness, HR2791 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 HR2791:

Color of HR2791 ⬤

Magnitude of HR2791 5.25

Class Main-sequence

VISIBILITY RIGHT NOW HR2791 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2791

HR2791 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 HR2791 are provided in the following table:

Right Ascension J2000 07h 18m 33s

Declination J2000 -39° 12’ 37”

Galactic Longitude 251.08°

Galactic Latitude -11.94°

Constellation Puppis

The simplified sky map below shows the position of HR2791 in the sky:

Simplified finder chart for HR2791.

Visibility of HR2791 from your location

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

HR2791 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR2791

The image below is a photograph of HR2791 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 HR2791 is 0.01 arcsec per year in Right Ascension and 0.007 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2791. The red arrow shows the motion of HR2791 during the next 10000 years (1.67 arcmin in Right Ascension and 1.17 arcmin in declination);

Distance of HR2791 from the Sun and relative movement

HR2791 is distant 469.06 light years from the Sun and it is moving far from the Sun at the speed of 32 kilometers per second.

Distance (parsec) 143.88 pc

Distance (light year) 469.06 ly

Heliocentric radial velocity 32 km/s

Proper Motion RA 0.01 arcsec/year

Proper Motion Dec 0.007 arcsec/year

Spectral properties of HR2791

HR2791 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude -0.54

Spectral Type A1V

Color Index (B-V) 0.01

Temperature of HR2791 10002K

The red dot in the diagram below shows where HR2791 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2791. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2791

Henry Draper Catalogue HD57240

SAO Catalogue SAO197836

Hipparcos Catalogue HIP35393

Durchmusterung Catalogue CD-38 3309

In Evidence

Other stars in Puppis