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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:05 
Transit: 12:56 
Sunset: 20:48
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All Constellations » Dorado » 

HR1540

Below the horizon.  Never rises today
Alt: -53.46°   Az: 224.63°   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.

Image of HR1540 star
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

04h 45m 12s
-63° 11’ 03”
07h 27m 56s
12h 13m 08s

J2000

04h 44m 57s
-63° 13’ 46”

Galactic Coordinates

273.75°
-38.12°

Finder Chart

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Finder chart for HR1540.

Magnitude, Color, Spectral Class

6.46
Hypergiant

0.73
K0III
4559K

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

HR 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.

139.86
455.94
16 km/s
-0.013 arcsec/y
-0.005"/y

Alternative Designations

SAO249095
SAO249095

Visibility from Your Location

HR1540 is currently not visible from Greenwich, UK