HR1978

Above the horizon. Rise: 23:26 | Tran: 5:48 | Set: 12:07

Alt: 39.56° Az: 153.13° Direction: South-South-East

HR1978 is a multiple giant star of spectral class F0 in the constellation of Orion.

HR1978 visual magnitude is 6.09. Because of its faintness, HR1978 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 HR1978. The red arrow shows the motion of HR1978 during the next 10000 years (3.33 arcmin in Right Ascension and -3.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 46m 20s

Declination +04° 00’ 59”

Hour Angle 22h 38m 12s

Sideral Time 04h 24m 32s

J2000

Right Ascension 05h 45m 01s

Declination +04° 00’ 29”

Galactic Coordinates

Galactic Longitude 201.57°

Galactic Latitude -12.81°

Finder Chart

Simplified finder chart for HR1978.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.09

Class Giant

Absolute magnitude 2.57

Spectral Type F0

Color Index (B-V) 0.31

Temperature 7399K

The red dot in the diagram below shows where HR1978 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1978. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1978 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR1978 double sysyem:

Main star magnitude 6.09

Secondary star magnitude 10.29

Magnitude difference 4.2

Separation 15.7 arcsec

Distance, Radial Speed, Proper Motion

HR1978 is distant 164.73 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

Distance (parsec) 50.53

Distance (light year) 164.73

Radial Speed 8 km/s

Proper Motion RA 0.02 arcsec/y

Proper Motion Dec -0.019"/y

Alternative Designations

Henry Draper Catalogue HD38309

SAO Catalogue SAO113099

Hipparcos Catalogue HIP27118

Durchmusterung Catalogue BD+03 1025

Aitken Double Star Catalogue ADS4333

Visibility from Your Location

Today's HR1978 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 86.0° RISE 23:26

Max altitude: 42.5° TRANSIT 5:48

Azimuth: 274.0° SET 12:07

Set Location

Other stars in Orion