HR1945

Above the horizon. Rise: 20:00 | Tran: 5:02 | Set: 14:00

Alt: 51.28° Az: 252.37° Direction: West-South-West

HR1945 is a double sub-giant star of spectral class B8 in the constellation of Auriga.

HR1945 visual magnitude is 6.43. Because of its faintness, HR1945 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 HR1945. The red arrow shows the motion of HR1945 during the next 10000 years (3.17 arcmin in Right Ascension and -4.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 42m 55s

Declination +29° 29’ 53”

Hour Angle 02h 52m 55s

Sidereal Time 08h 35m 51s

J2000

Right Ascension 05h 41m 21s

Declination +29° 29’ 15”

Galactic Coordinates

Galactic Longitude 179.04°

Galactic Latitude -0.5°

Finder Chart

Simplified finder chart for HR1945.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.43

Class Sub-giant

Absolute magnitude 0.49

Spectral Type B8IV

Color Index (B-V) -0.11

Temperature 11744K

The red dot in the diagram below shows where HR1945 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1945. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1945 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR1945 double sysyem:

Main star magnitude 6.43

Secondary star magnitude 6.83

Magnitude difference 0.4

Separation 26.1 arcsec

Distance, Radial Speed, Proper Motion

HR1945 is distant 502.31 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

Distance (parsec) 154.08

Distance (light year) 502.31

Radial Speed 18 km/s

Proper Motion RA 0.019 arcsec/y

Proper Motion Dec -0.029"/y

Alternative Designations

Henry Draper Catalogue HD37646

SAO Catalogue SAO77393

Hipparcos Catalogue HIP26781

Durchmusterung Catalogue BD+29 953

Aitken Double Star Catalogue ADS4262

Visibility from Your Location

Today's HR1945 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 60.5° RISE 20:00

Max altitude: 68.0° TRANSIT 5:02

Azimuth: 299.5° SET 14:00

Set Location

Other stars in Auriga