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: 6:59  
clear_day Transit: 12:48  
SunsetSet: 18:36 south
sunny DaytimeWhat's Visible Now
All Constellations » Lupus » 


Altitude: -16.1°   Azimuth: 151.3°   Direction: South-South-East

HR5559 is a double main-sequence star in the constellation of Lupus.

HR5559 visual magnitude is 5.64. Because of its reltive faintness, HR5559 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 HR5559:


HR5559 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -16.1°
Azimuth: 151.3°
Direction: South-South-East

Celestial coordinates and finder chart of HR5559

HR5559 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR5559 are provided in the following table:

14h 56m 31s
-47° 52’ 45”

The simplified sky map below shows the position of HR5559 in the sky:

Finder chart HR5559 star
Simplified finder chart for HR5559.

Visibility of HR5559 from your location

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

HR5559 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR5559

The image below is a photograph of HR5559 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 HR5559 is -0.04 arcsec per year in Right Ascension and -0.02 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR5559 star
DSS2 image of HR5559. The red arrow shows the motion of HR5559 during the next 10000 years (-6.67 arcmin in Right Ascension and -3.33 arcmin in declination);

Distance of HR5559 from the Sun and relative movement

HR5559 is distant 625.72 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

191.94 pc
625.72 ly
15 km/s
-0.04 arcsec/year
-0.02 arcsec/year

Spectral properties of HR5559

HR5559 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR5559 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5559. Attribution: Richard Powell / CC BY-SA

HR5559 star system properties

HR5559 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR5559 double sysyem:

2.2 arcsec

Alternative designations of HR5559