HR5540

Below the horizon. Never rises today

Alt: -64.43° Az: 185.28° Direction: South

HR5540 is a variable giant star of spectral class K4 in the constellation of Apus.

HR5540 visual magnitude is 5.34. Because of its faintness, HR5540 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 HR5540. The red arrow shows the motion of HR5540 during the next 10000 years (-12.33 arcmin in Right Ascension and -2.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 00m 47s

Declination -76° 45’ 38”

Hour Angle 11h 20m 05s

Sideral Time 02h 20m 53s

J2000

Right Ascension 14h 57m 52s

Declination -76° 39’ 46”

Galactic Coordinates

Galactic Longitude 310.14°

Galactic Latitude -15.6°

Finder Chart

Simplified finder chart for HR5540.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.34

Class Giant

Absolute magnitude -0.25

Spectral Type K4III

Color Index (B-V) 1.45

Temperature 3870K

The red dot in the diagram below shows where HR5540 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5540. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR5540 is distant 427.82 light years from the Sun and it is moving towards the Sun at the speed of 31 kilometers per second.

Distance (parsec) 131.23

Distance (light year) 427.82

Radial Speed -31 km/s

Proper Motion RA -0.074 arcsec/y

Proper Motion Dec -0.015"/y

Alternative Designations

Henry Draper Catalogue HD131109

SAO Catalogue SAO257212

Hipparcos Catalogue HIP73223

Durchmusterung Catalogue CP-76 924

FK5 Catalogue 3175

General Catalogue of Variable Stars R Aps

Visibility from Your Location

HR5540 is currently not visible from Greenwich, UK

Set Location

Other stars in Apus