HR1987

Above the horizon. Rise: 8:23 | Tran: 15:10 | Set: 21:56

Alt: 46.05° Az: 203.08° Direction: South-South-West

HR1987 is a double giant star of spectral class G8 in the constellation of Orion.

HR1987 visual magnitude is 5.79. Because of its faintness, HR1987 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 HR1987. The red arrow shows the motion of HR1987 during the next 10000 years (-5.67 arcmin in Right Ascension and -10.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 48m 15s

Declination +09° 31’ 47”

Hour Angle 01h 04m 03s

Sidereal Time 06h 52m 19s

J2000

Right Ascension 05h 46m 52s

Declination +09° 31’ 19”

Galactic Coordinates

Galactic Longitude 196.9°

Galactic Latitude -9.71°

Finder Chart

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Finder chart for HR1987.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.79

Class Giant

Absolute magnitude 0.97

Spectral Type G8III

Color Index (B-V) 0.88

Temperature 5051K

The red dot in the diagram below shows where HR1987 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1987. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1987 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 HR1987 double sysyem:

Main star magnitude 5.79

Secondary star magnitude 11.69

Magnitude difference 5.9

Separation 17.2 arcsec

Distance, Radial Speed, Proper Motion

HR1987 is distant 299.63 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

Distance (parsec) 91.91

Distance (light year) 299.63

Radial Speed -26 km/s

Proper Motion RA -0.034 arcsec/y

Proper Motion Dec -0.065"/y

Alternative Designations

Henry Draper Catalogue HD38527

SAO Catalogue SAO113124

Hipparcos Catalogue HIP27280

Durchmusterung Catalogue BD+09 954

FK5 Catalogue 2432

Aitken Double Star Catalogue ADS4369

Visibility from Your Location

Today's HR1987 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 80.5° RISE 8:23

Max altitude: 48.0° TRANSIT 15:10

Azimuth: 279.5° SET 21:56

Set Location

Other stars in Orion