HR1540

Below the horizon. Never rises today

Alt: -40.33° Az: 215.58° Direction: South-West

HR1540 is a variable hypergiant star of spectral class K0 in the constellation of Dorado.

HR1540 visual magnitude is 6.46. Because of its faintness, HR1540 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 HR1540. The red arrow shows the motion of HR1540 during the next 10000 years (-2.17 arcmin in Right Ascension and -0.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 04h 45m 12s

Declination -63° 11’ 07”

Hour Angle 05h 18m 05s

Sideral Time 10h 03m 17s

J2000

Right Ascension 04h 44m 57s

Declination -63° 13’ 46”

Galactic Coordinates

Galactic Longitude 273.75°

Galactic Latitude -38.12°

Finder Chart

Simplified finder chart for HR1540.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.46

Class Hypergiant

Absolute magnitude 0.73

Spectral Type K0III

Color Index (B-V) 1.08

Temperature 4559K

The red dot in the diagram below shows where HR1540 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1540. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1540 is distant 455.94 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

Distance (parsec) 139.86

Distance (light year) 455.94

Radial Speed 16 km/s

Proper Motion RA -0.013 arcsec/y

Proper Motion Dec -0.005"/y

Alternative Designations

Henry Draper Catalogue HD30610

SAO Catalogue SAO249095

Hipparcos Catalogue HIP22081

Durchmusterung Catalogue CP-63 365

FK5 Catalogue 2356

General Catalogue of Variable Stars 1718

Visibility from Your Location

HR1540 is currently not visible from Greenwich, UK

Set Location

Other stars in Dorado