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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:13 
Transit: 12:56 
Sunset: 20:39
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All Constellations » Cassiopeia » 

HR273

Above the horizon.  Circumpolar today
Alt: 34.66°   Az: 337.14°   Direction: North-North-West

HR273 is a hypergiant star of spectral class A0 in the constellation of Cassiopeia.

HR273 visual magnitude is 5.97. Because of its faintness, HR273 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 HR273 star
DSS2 image of HR273. The red arrow shows the motion of HR273 during the next 10000 years (7.17 arcmin in Right Ascension and -1.00 arcmin in declination);

Celestial Coordinates

Apparent

01h 00m 08s
+66° 29’ 19”
08h 27m 03s
09h 27m 12s

J2000

00h 58m 31s
+66° 21’ 07”

Galactic Coordinates

123.64°
3.49°

Finder Chart

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Finder chart for HR273.

Magnitude, Color, Spectral Class

5.97
Hypergiant

0.66
A0III
10382K

The red dot in the diagram below shows where HR273 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR273. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR273 is distant 376.01 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

115.34
376.01
-10 km/s
0.043 arcsec/y
-0.006"/y

Alternative Designations

SAO11502
SAO11502

Visibility from Your Location

HR273 is circumpolar and transits at 09:38 UTC (altitude: 75.0°)