HR2397

Below the horizon. Rise: 3:28 | Tran: 6:00 | Set: 8:32

Alt: -59.99° Az: 298.12° Direction: West-North-West

HR2397 is a variable and double sub-giant star of spectral class B2 in the constellation of Canis Major.

HR2397 visual magnitude is 5.69. Because of its faintness, HR2397 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

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);

Celestial Coordinates

Apparent

Right Ascension 06h 33m 34s

Declination -32° 03’ 01”

Hour Angle 09h 54m 31s

Sidereal Time 16h 28m 06s

J2000

Right Ascension 06h 32m 39s

Declination -32° 01’ 50”

Galactic Coordinates

Galactic Longitude 240.46°

Galactic Latitude -17.68°

Finder Chart

Simplified finder chart for HR2397.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.69

Class Sub-giant

Absolute magnitude -1.36

Spectral Type B2IV

Color Index (B-V) -0.17

Temperature 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

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

Distance, Radial Speed, Proper Motion

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

Distance (light year) 838.05

Radial Speed 20 km/s

Proper Motion RA -0.001 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Henry Draper Catalogue HD46547

SAO Catalogue SAO196919

Hipparcos Catalogue HIP31190

Durchmusterung Catalogue CD-31 3407

General Catalogue of Variable Stars Var

Visibility from Your Location

Today's HR2397 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 122.1° RISE 3:28

Max altitude: 6.5° TRANSIT 6:00

Azimuth: 237.9° SET 8:32

Set Location

Other stars in Canis Major