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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 » Monoceros » 

HR2154

Above the horizon.  Rise: 9:44 | Tran: 15:21 | Set: 20:58
Alt: 23.41°   Az: 227.78°   Direction: South-West

HR2154 is a double sub-giant star of spectral class B5 in the constellation of Monoceros.

HR2154 visual magnitude is 5.38. Because of its faintness, HR2154 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 HR2154 star
DSS2 image of HR2154. The red arrow shows the motion of HR2154 during the next 100000 years (-11.67 arcmin in Right Ascension and -6.67 arcmin in declination);

Celestial Coordinates

Apparent

06h 07m 54s
-04° 11’ 54”
02h 51m 49s
08h 59m 43s

J2000

06h 06m 38s
-04° 11’ 38”

Galactic Coordinates

211.57°
-11.87°

Finder Chart

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Finder chart for HR2154.

Magnitude, Color, Spectral Class

5.38
Sub-giant

-3.70
B5IV
12103K

The red dot in the diagram below shows where HR2154 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2154. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR2154 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR2154 double sysyem:

5.38
11.58
6.2
28.5 arcsec

Distance, Radial Speed, Proper Motion

HR2154 is distant 2,130.72 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

653.59
2,130.72
20 km/s
-0.007 arcsec/y
-0.004"/y

Alternative Designations

SAO132841
SAO132841

Visibility from Your Location

Today's HR2154 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.2°
Max altitude: 34.3°
Azimuth: 265.8°