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HR5644

Below the horizon. Never rises today

Alt: -39.23° Az: 157.56° Direction: South-South-East

HR5644 is a variable star of spectral class C5 in the constellation of Triangulum Australe.

HR5644 visual magnitude is 5.81. Because of its faintness, HR5644 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 HR5644. The red arrow shows the motion of HR5644 during the next 100000 years (-1.67 arcmin in Right Ascension and -10.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 16m 44s

Declination -70° 10’ 12”

Hour Angle 19h 57m 22s

Sideral Time 11h 14m 06s

J2000

Right Ascension 15h 14m 19s

Declination -70° 04’ 45”

Galactic Coordinates

Galactic Longitude 314.6°

Galactic Latitude -10.52°

Finder Chart

Simplified finder chart for HR5644.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.81

Class

Absolute magnitude -2.50

Spectral Type C5

Color Index (B-V) 3.38

Temperature 2190K

The red dot in the diagram below shows where HR5644 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5644. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR5644 is distant 1,495.41 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 458.72

Distance (light year) 1,495.41

Radial Speed -4 km/s

Proper Motion RA -0.001 arcsec/y

Proper Motion Dec -0.006"/y

Alternative Designations

Henry Draper Catalogue HD134453

SAO Catalogue SAO253062

Hipparcos Catalogue HIP74582

Durchmusterung Catalogue CP-69 2267

General Catalogue of Variable Stars X TrA

Visibility from Your Location

HR5644 is currently not visible from Greenwich, UK

Set Location

Other stars in Triangulum Australe