HR2397

Altitude: -66.5° Azimuth: 318.7° Direction: North-West

HR2397 is a variable and double sub-giant star in the constellation of Canis Major.

HR2397 visual magnitude is 5.69. Because of its reltive faintness, HR2397 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 HR2397:

Color of HR2397 ⬤

Magnitude of HR2397 5.69

Class Sub-giant

VISIBILITY RIGHT NOW

HR2397 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -66.5°
Azimuth: 318.7°
Direction: North-West

Celestial coordinates and finder chart of HR2397

HR2397 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 HR2397 are provided in the following table:

Right Ascension J2000 06h 32m 39s

Declination J2000 -32° 01’ 50”

Galactic Longitude 240.46°

Galactic Latitude -17.68°

Constellation Canis Major

The simplified sky map below shows the position of HR2397 in the sky:

Simplified finder chart for HR2397.

Visibility of HR2397 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 HR2397 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: 122.0° RISE 22:46

Max altitude: 6.5° TRANSIT 1:22

Azimuth: 238.0° SET 3:54

Digitized Sky Survey image of HR2397

The image below is a photograph of HR2397 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 HR2397 is -0.001 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR2397. The red arrow shows the motion of HR2397 during the next 100000 years (-1.67 arcmin in Right Ascension and -3.33 arcmin in declination);

Distance of HR2397 from the Sun and relative movement

HR2397 is distant 838.05 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

Distance (parsec) 257.07 pc

Distance (light year) 838.05 ly

Heliocentric radial velocity 20 km/s

Proper Motion RA -0.001 arcsec/year

Proper Motion Dec -0.002 arcsec/year

Spectral properties of HR2397

HR2397 belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude -1.36

Spectral Type B2IV

Color Index (B-V) -0.17

Temperature of HR2397 12902K

The red dot in the diagram below shows where HR2397 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2397. Attribution: Richard Powell / CC BY-SA

HR2397 star system properties

HR2397 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR2397 double sysyem:

Main star magnitude 5.69

Secondary star magnitude 8.69

Magnitude difference 3

Separation 24.7 arcsec

Alternative designations of HR2397

Henry Draper Catalogue HD46547

SAO Catalogue SAO196919

Hipparcos Catalogue HIP31190

Durchmusterung Catalogue CD-31 3407

General Catalogue of Variable Stars Var

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In Evidence

Other stars in Canis Major