HR722

Below the horizon. Never rises today

Alt: -74.85° Az: 188.36° Direction: South

HR722 is a variable giant star of spectral class M5 in the constellation of Horologium.

HR722 visual magnitude is 6.41. Because of its faintness, HR722 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 HR722. The red arrow shows the motion of HR722 during the next 10000 years (-4.83 arcmin in Right Ascension and -3.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 25m 58s

Declination -66° 22’ 51”

Hour Angle 11h 38m 13s

Sidereal Time 14h 04m 12s

J2000

Right Ascension 02h 25m 26s

Declination -66° 29’ 40”

Galactic Coordinates

Galactic Longitude 289.17°

Galactic Latitude -48.04°

Finder Chart

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Finder chart for HR722.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.41

Class Giant

Absolute magnitude -0.84

Spectral Type M5III

Color Index (B-V) 1.54

Temperature 3734K

The red dot in the diagram below shows where HR722 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR722. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR722 is distant 920.90 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

Distance (parsec) 282.49

Distance (light year) 920.90

Radial Speed 2 km/s

Proper Motion RA -0.029 arcsec/y

Proper Motion Dec -0.019"/y

Alternative Designations

Henry Draper Catalogue HD15379

SAO Catalogue SAO248556

Hipparcos Catalogue HIP11293

Durchmusterung Catalogue CP-67 154

General Catalogue of Variable Stars TZ Hor

Visibility from Your Location

HR722 is currently not visible from Greenwich, UK

Set Location

Other stars in Horologium