HR2764

Altitude: 15.1° Azimuth: 184.6° Direction: South

HR2764 is a variable and double supergiant star in the constellation of Canis Major.

HR2764 visual magnitude is 4.79. Because of its moderate brightness, HR2764 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 HR2764:

Color of HR2764 ⬤

Magnitude of HR2764 4.79

Class Supergiant

VISIBILITY RIGHT NOW

HR2764 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 15.1°
Azimuth: 184.6°
Direction: South

Celestial coordinates and finder chart of HR2764

HR2764 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2764 are provided in the following table:

Right Ascension J2000 07h 16m 36s

Declination J2000 -23° 18’ 56”

Galactic Longitude 236.5°

Galactic Latitude -5.21°

Constellation Canis Major

The simplified sky map below shows the position of HR2764 in the sky:

Simplified finder chart for HR2764.

Visibility of HR2764 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 HR2764 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: 113.3° RISE 22:30

Max altitude: 15.2° TRANSIT 2:22

Azimuth: 246.7° SET 6:09

Digitized Sky Survey image of HR2764

The image below is a photograph of HR2764 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 HR2764 is -0.01 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2764. The red arrow shows the motion of HR2764 during the next 10000 years (-1.67 arcmin in Right Ascension and 0.33 arcmin in declination);

Distance of HR2764 from the Sun and relative movement

HR2764 is distant 6,269.23 light years from the Sun and it is moving far from the Sun at the speed of 28 kilometers per second.

Distance (parsec) 1,923.08 pc

Distance (light year) 6,269.23 ly

Heliocentric radial velocity 28 km/s

Proper Motion RA -0.01 arcsec/year

Proper Motion Dec 0.002 arcsec/year

Spectral properties of HR2764

HR2764 belongs to spectral class K3 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -6.63

Spectral Type K3I

Color Index (B-V) 1.71

Temperature of HR2764 3503K

The red dot in the diagram below shows where HR2764 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2764. Attribution: Richard Powell / CC BY-SA

HR2764 star system properties

HR2764 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR2764 double sysyem:

Main star magnitude 4.79

Secondary star magnitude 5.99

Magnitude difference 1.2

Separation 26.8 arcsec

Alternative designations of HR2764

Henry Draper Catalogue HD56577

SAO Catalogue SAO173349

Hipparcos Catalogue HIP35210

Durchmusterung Catalogue CD-23 5189

General Catalogue of Variable Stars 3503

Aitken Double Star Catalogue ADS5951

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In Evidence

Other stars in Canis Major