Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
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All Constellations » Puppis » 

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:

5.25
Main-sequence
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:

07h 18m 33s
-39° 12’ 37”
251.08°
-11.94°
Puppis

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

Finder chart HR2791 star
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.

Image of HR2791 star
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.

143.88 pc
469.06 ly
32 km/s
0.01 arcsec/year
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.

-0.54
A1V
10002K

The red dot in the diagram below shows where HR2791 is situated in the Hertzsprungā€“Russell diagram.

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

Alternative designations of HR2791

SAO197836
SAO197836