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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
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Transit: 12:48 
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All Constellations » Cassiopeia » 

HR439

Above the horizon.  Circumpolar today
Alt: 60.25°   Az: 304.03°   Direction: North-West

HR439 is a hypergiant star of spectral class K0 in the constellation of Cassiopeia.

HR439 visual magnitude is 5.7. Because of its faintness, HR439 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 HR439 star
DSS2 image of HR439. The red arrow shows the motion of HR439 during the next 10000 years (1.83 arcmin in Right Ascension and 0.33 arcmin in declination);

Celestial Coordinates

Apparent

01h 35m 03s
+58° 27’ 13”
03h 27m 16s
05h 02m 20s

J2000

01h 33m 25s
+58° 19’ 39”

Galactic Coordinates

128.44°
-4.09°

Finder Chart

Finder chart HR439 star
Simplified finder chart for HR439.

Magnitude, Color, Spectral Class

5.7
Hypergiant

-3.19
K0I
3764K

The red dot in the diagram below shows where HR439 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR439. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR439 is distant 1,952.10 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

598.80
1,952.10
-1 km/s
0.011 arcsec/y
0.002"/y

Alternative Designations

SAO22389
SAO22389

Visibility from Your Location

HR439 is circumpolar and transits at 00:38 UTC (altitude: 83.0°)