HR2764

Below the horizon. Rise: 4:51 | Tran: 8:38 | Set: 12:25

Alt: -27.05° Az: 94.21° Direction: East

HR2764 is a variable and double supergiant star of spectral class K3 in the constellation of Canis Major.

HR2764 visual magnitude is 4.79. Because of its moderate brightness, HR2764 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

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);

Celestial Coordinates

Apparent

Right Ascension 07h 17m 39s

Declination -23° 21’ 39”

Hour Angle 17h 01m 24s

Sideral Time 00h 19m 03s

J2000

Right Ascension 07h 16m 36s

Declination -23° 18’ 56”

Galactic Coordinates

Galactic Longitude 236.5°

Galactic Latitude -5.21°

Finder Chart

Simplified finder chart for HR2764.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.79

Class Supergiant

Absolute magnitude -6.63

Spectral Type K3I

Color Index (B-V) 1.71

Temperature 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

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

Distance, Radial Speed, Proper Motion

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

Distance (light year) 6,269.23

Radial Speed 28 km/s

Proper Motion RA -0.01 arcsec/y

Proper Motion Dec 0.002"/y

Alternative Designations

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

Visibility from Your Location

Today's HR2764 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 113.4° RISE 4:51

Max altitude: 15.2° TRANSIT 8:38

Azimuth: 246.6° SET 12:25

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Canis Major