Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:49  
clear_day Transit: 12:56  
SunsetSet: 21:04 south
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All Constellations » Apus » 

HR5547

HR5547 is a bright giant star in the constellation of Apus.

HR5547 visual magnitude is 5.93. Because of its reltive faintness, HR5547 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR5547:

5.93
Bright giant
HR5547 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR5547

HR5547 is situated close to the southern celestial pole and, as such, it is easilty visible for most part of the year from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR5547 are provided in the following table:

15h 00m 11s
-77° 09’ 37”
310.01°
-16.09°
Apus

The simplified sky map below shows the position of HR5547 in the sky:

Finder chart HR5547 star
Simplified finder chart for HR5547.

Visibility of HR5547 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR5547 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR5547

The image below is a photograph of HR5547 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR5547 is -0.003 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR5547 star
DSS2 image of HR5547. The red arrow shows the motion of HR5547 during the next 100000 years (-5.00 arcmin in Right Ascension and 6.67 arcmin in declination);

Distance of HR5547 from the Sun and relative movement

HR5547 is distant 876.34 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

268.82 pc
876.34 ly
2 km/s
-0.003 arcsec/year
0.004 arcsec/year

Spectral properties of HR5547

HR5547 belongs to spectral class G8 and has a luminosity class of II corresponding to a bright giant star.

-1.22
G8II
4626K

The red dot in the diagram below shows where HR5547 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5547. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR5547

SAO257218
SAO257218