HR2546

HR2546 is a variable and double giant star in the constellation of Puppis.

HR2546 visual magnitude is 6.55. Because of its reltive faintness, HR2546 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 HR2546:

Color of HR2546 ⬤

Magnitude of HR2546 6.55

Class Giant

VISIBILITY RIGHT NOW HR2546 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2546

HR2546 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 HR2546 are provided in the following table:

Right Ascension J2000 06h 49m 57s

Declination J2000 -45° 27’ 00”

Galactic Longitude 254.96°

Galactic Latitude -19.21°

Constellation Puppis

The simplified sky map below shows the position of HR2546 in the sky:

Simplified finder chart for HR2546.

Visibility of HR2546 from your location

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

HR2546 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR2546

The image below is a photograph of HR2546 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 HR2546 is 0.019 arcsec per year in Right Ascension and -0.044 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2546. The red arrow shows the motion of HR2546 during the next 10000 years (3.17 arcmin in Right Ascension and -7.33 arcmin in declination);

Distance of HR2546 from the Sun and relative movement

HR2546 is distant 737.56 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

Distance (parsec) 226.24 pc

Distance (light year) 737.56 ly

Heliocentric radial velocity 15 km/s

Proper Motion RA 0.019 arcsec/year

Proper Motion Dec -0.044 arcsec/year

Spectral properties of HR2546

HR2546 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.22

Spectral Type K5III

Color Index (B-V) 1.51

Temperature of HR2546 3779K

The red dot in the diagram below shows where HR2546 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2546. Attribution: Richard Powell / CC BY-SA

HR2546 star system properties

HR2546 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR2546 double sysyem:

Main star magnitude 6.55

Secondary star magnitude 11.15

Magnitude difference 4.6

Separation 6.6 arcsec

Alternative designations of HR2546

Henry Draper Catalogue HD50196

SAO Catalogue SAO218236

Hipparcos Catalogue HIP32771

Durchmusterung Catalogue CD-45 2773

General Catalogue of Variable Stars 3236

In Evidence

Other stars in Puppis