HR2591

HR2591 is a variable bright giant star in the constellation of Puppis.

HR2591 visual magnitude is 6.32. Because of its reltive faintness, HR2591 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 HR2591:

Color of HR2591 ⬤

Magnitude of HR2591 6.32

Class Bright giant

VISIBILITY RIGHT NOW HR2591 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2591

HR2591 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 HR2591 are provided in the following table:

Right Ascension J2000 06h 54m 26s

Declination J2000 -42° 21’ 56”

Galactic Longitude 252.21°

Galactic Latitude -17.38°

Constellation Puppis

The simplified sky map below shows the position of HR2591 in the sky:

Simplified finder chart for HR2591.

Visibility of HR2591 from your location

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

HR2591 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR2591

The image below is a photograph of HR2591 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 HR2591 is 0.002 arcsec per year in Right Ascension and 0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2591. The red arrow shows the motion of HR2591 during the next 10000 years (0.33 arcmin in Right Ascension and 2.33 arcmin in declination);

Distance of HR2591 from the Sun and relative movement

HR2591 is distant 1,364.02 light years from the Sun and it is moving far from the Sun at the speed of 32 kilometers per second.

Distance (parsec) 418.41 pc

Distance (light year) 1,364.02 ly

Heliocentric radial velocity 32 km/s

Proper Motion RA 0.002 arcsec/year

Proper Motion Dec 0.014 arcsec/year

Spectral properties of HR2591

HR2591 belongs to spectral class C3 and has a luminosity class of II corresponding to a bright giant star.

Absolute magnitude -1.79

Spectral Type C3II

Color Index (B-V) 2.24

Temperature of HR2591 2939K

The red dot in the diagram below shows where HR2591 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2591. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2591

Henry Draper Catalogue HD51208

SAO Catalogue SAO218296

Hipparcos Catalogue HIP33189

Durchmusterung Catalogue CD-42 2818

FK5 Catalogue 2534

General Catalogue of Variable Stars NP Pup

In Evidence

Other stars in Puppis