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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:12 
Transit: 12:14 
Sunset: 17:16
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All Constellations » Leo » 

HR4531

Above the horizon.  Rise: 18:49 | Tran: 2:04 | Set: 9:16
Alt: 51.40°   Az: 199.09°   Direction: South-South-West

HR4531 is a variable and double hypergiant star of spectral class F0 in the constellation of Leo.

HR4531 visual magnitude is 5.88. Because of its faintness, HR4531 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 HR4531 star
DSS2 image of HR4531. The red arrow shows the motion of HR4531 during the next 1000 years (-1.78 arcmin in Right Ascension and 0.12 arcmin in declination);

Celestial Coordinates

Apparent

11h 49m 56s
+14° 08’ 39”
00h 48m 35s
12h 38m 31s

J2000

11h 48m 38s
+14° 17’ 03”

Galactic Coordinates

251.07°
70.53°

Finder Chart

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Finder chart for HR4531.

Magnitude, Color, Spectral Class

5.88
Hypergiant

1.53
F0V
7526K

The red dot in the diagram below shows where HR4531 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4531. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4531 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR4531 double sysyem:

5.88
8.28
2.4
1.1 arcsec

Distance, Radial Speed, Proper Motion

HR4531 is distant 241.84 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

74.18
241.84
6 km/s
-0.107 arcsec/y
0.007"/y

Alternative Designations

SAO99800
SAO99800

Visibility from Your Location

Today's HR4531 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 75.9°
Max altitude: 52.7°
Azimuth: 284.1°