HR2819

Altitude: -40.8° Azimuth: 267.9° Direction: West

HR2819 is a giant star in the constellation of Canis Major.

HR2819 visual magnitude is 5.43. Because of its reltive faintness, HR2819 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 HR2819:

Color of HR2819 ⬤

Magnitude of HR2819 5.43

Class Giant

VISIBILITY RIGHT NOW

HR2819 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -40.8°
Azimuth: 267.9°
Direction: West

Celestial coordinates and finder chart of HR2819

HR2819 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 HR2819 are provided in the following table:

Right Ascension J2000 07h 23m 00s

Declination J2000 -31° 55’ 26”

Galactic Longitude 244.86°

Galactic Latitude -7.9°

Constellation Canis Major

The simplified sky map below shows the position of HR2819 in the sky:

Simplified finder chart for HR2819.

Visibility of HR2819 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 HR2819 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: 121.9° RISE 5:18

Max altitude: 6.6° TRANSIT 7:51

Azimuth: 238.1° SET 10:25

Digitized Sky Survey image of HR2819

The image below is a photograph of HR2819 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 HR2819 is -0.014 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2819. The red arrow shows the motion of HR2819 during the next 10000 years (-2.33 arcmin in Right Ascension and 0.67 arcmin in declination);

Distance of HR2819 from the Sun and relative movement

HR2819 is distant 1,429.82 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

Distance (parsec) 438.60 pc

Distance (light year) 1,429.82 ly

Heliocentric radial velocity 24 km/s

Proper Motion RA -0.014 arcsec/year

Proper Motion Dec 0.004 arcsec/year

Spectral properties of HR2819

HR2819 belongs to spectral class B5 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -2.78

Spectral Type B5III

Color Index (B-V) -0.15

Temperature of HR2819 12489K

The red dot in the diagram below shows where HR2819 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2819. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2819

Henry Draper Catalogue HD58155

SAO Catalogue SAO197925

Hipparcos Catalogue HIP35795

Durchmusterung Catalogue CD-31 4437

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In Evidence

Other stars in Canis Major