HR981

Below the horizon. Never rises today

Alt: -58.24° Az: 195.41° Direction: South-West

HR981 is a variable and double bright giant star of spectral class F2 in the constellation of Hydrus.

HR981 visual magnitude is 5.57. Because of its faintness, HR981 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 HR981. The red arrow shows the motion of HR981 during the next 10000 years (11.83 arcmin in Right Ascension and 11.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 03h 06m 43s

Declination -78° 53’ 32”

Hour Angle 08h 53m 42s

Sidereal Time 12h 00m 26s

J2000

Right Ascension 03h 07m 32s

Declination -78° 59’ 21”

Galactic Coordinates

Galactic Longitude 295.34°

Galactic Latitude -36.05°

Finder Chart

Loading map...

Finder chart for HR981.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.57

Class Bright giant

Absolute magnitude 1.16

Spectral Type F2II

Color Index (B-V) 0.3

Temperature 7462K

The red dot in the diagram below shows where HR981 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR981. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR981 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 HR981 double sysyem:

Main star magnitude 5.57

Secondary star magnitude 7.97

Magnitude difference 2.4

Separation 15.2 arcsec

Distance, Radial Speed, Proper Motion

HR981 is distant 248.29 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

Distance (parsec) 76.16

Distance (light year) 248.29

Radial Speed 11 km/s

Proper Motion RA 0.071 arcsec/y

Proper Motion Dec 0.066"/y

Alternative Designations

Henry Draper Catalogue HD20313

SAO Catalogue SAO255962

Hipparcos Catalogue HIP14521

Durchmusterung Catalogue CP-79 91

General Catalogue of Variable Stars BN Hyi

Visibility from Your Location

HR981 is currently not visible from Greenwich, UK

Set Location

Other stars in Hydrus