HR2723

Altitude: 17.6° Azimuth: 136.7° Direction: South-East

HR2723 is a hypergiant star in the constellation of Canis Major.

HR2723 visual magnitude is 5.78. Because of its reltive faintness, HR2723 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 HR2723:

Color of HR2723 ⬤

Magnitude of HR2723 5.78

Class Hypergiant

VISIBILITY RIGHT NOW

HR2723 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 17.6°
Azimuth: 136.7°
Direction: South-East

Celestial coordinates and finder chart of HR2723

HR2723 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 HR2723 are provided in the following table:

Right Ascension J2000 07h 13m 07s

Declination J2000 -11° 15’ 05”

Galactic Longitude 225.4°

Galactic Latitude -0.37°

Constellation Canis Major

The simplified sky map below shows the position of HR2723 in the sky:

Simplified finder chart for HR2723.

Visibility of HR2723 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 HR2723 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: 101.3° RISE 10:05

Max altitude: 27.3° TRANSIT 15:06

Azimuth: 258.7° SET 20:06

RIGHT NOW HR2723 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2723

The image below is a photograph of HR2723 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 HR2723 is -0.003 arcsec per year in Right Ascension and 0.008 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR2723. The red arrow shows the motion of HR2723 during the next 100000 years (-5.00 arcmin in Right Ascension and 13.33 arcmin in declination);

Distance of HR2723 from the Sun and relative movement

HR2723 is distant 661.26 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 202.84 pc

Distance (light year) 661.26 ly

Heliocentric radial velocity 9 km/s

Proper Motion RA -0.003 arcsec/year

Proper Motion Dec 0.008 arcsec/year

Spectral properties of HR2723

HR2723 belongs to spectral class K0

Absolute magnitude -0.76

Spectral Type K0

Color Index (B-V) 1.51

Temperature of HR2723 3779K

The red dot in the diagram below shows where HR2723 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2723. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2723

Henry Draper Catalogue HD55589

SAO Catalogue SAO152570

Hipparcos Catalogue HIP34888

Durchmusterung Catalogue BD-11 1849

FK5 Catalogue 2557

In Evidence

Other stars in Canis Major