HR2306

Altitude: 7.6° Azimuth: 224.3° Direction: South-West

HR2306 is a variable and double giant star in the constellation of Canis Major.

HR2306 visual magnitude is 6.6. Because of its reltive faintness, HR2306 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 HR2306:

Color of HR2306 ⬤

Magnitude of HR2306 6.6

Class Giant

VISIBILITY RIGHT NOW

HR2306 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 7.6°
Azimuth: 224.3°
Direction: South-West

Celestial coordinates and finder chart of HR2306

HR2306 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 HR2306 are provided in the following table:

Right Ascension J2000 06h 23m 47s

Declination J2000 -19° 47’ 07”

Galactic Longitude 227.89°

Galactic Latitude -14.78°

Constellation Canis Major

The simplified sky map below shows the position of HR2306 in the sky:

Simplified finder chart for HR2306.

Visibility of HR2306 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 HR2306 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: 109.8° RISE 10:21

Max altitude: 18.7° TRANSIT 14:32

Azimuth: 250.2° SET 18:43

RIGHT NOW HR2306 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2306

The image below is a photograph of HR2306 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 HR2306 is -0.017 arcsec per year in Right Ascension and 0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2306. The red arrow shows the motion of HR2306 during the next 10000 years (-2.83 arcmin in Right Ascension and 2.33 arcmin in declination);

Distance of HR2306 from the Sun and relative movement

HR2306 is distant 2,488.55 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

Distance (parsec) 763.36 pc

Distance (light year) 2,488.55 ly

Heliocentric radial velocity 24 km/s

Proper Motion RA -0.017 arcsec/year

Proper Motion Dec 0.014 arcsec/year

Spectral properties of HR2306

HR2306 belongs to spectral class B8 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -2.81

Spectral Type B8III

Color Index (B-V) -0.15

Temperature of HR2306 12489K

The red dot in the diagram below shows where HR2306 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2306. Attribution: Richard Powell / CC BY-SA

HR2306 star system properties

HR2306 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR2306 double sysyem:

Main star magnitude 6.6

Secondary star magnitude 6.9

Magnitude difference 0.3

Separation 0.8 arcsec

Alternative designations of HR2306

Henry Draper Catalogue HD44953

SAO Catalogue SAO151453

Hipparcos Catalogue HIP30426

Durchmusterung Catalogue BD-19 1435

General Catalogue of Variable Stars 2944

Aitken Double Star Catalogue ADS5023

In Evidence

Other stars in Canis Major