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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:38  
clear_day Transit: 11:46  
SunsetSet: 15:54 south
sleep NighttimeWhat's Visible Now?
All Constellations » Lupus » 


Altitude: -74.0°   Azimuth: 323.4°   Direction: North-West

HR5975 is a double sub-giant star in the constellation of Lupus.

HR5975 visual magnitude is 5.9. Because of its reltive faintness, HR5975 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 HR5975:


HR5975 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -74.0°
Azimuth: 323.4°
Direction: North-West

Celestial coordinates and finder chart of HR5975

HR5975 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 HR5975 are provided in the following table:

16h 04m 36s
-37° 51’ 47”

The simplified sky map below shows the position of HR5975 in the sky:

Finder chart HR5975 star
Simplified finder chart for HR5975.

Visibility of HR5975 from your location

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

Today's HR5975 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 127.9°
Max altitude: 0.7°
Azimuth: 232.1°

Digitized Sky Survey image of HR5975

The image below is a photograph of HR5975 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 HR5975 is -0.137 arcsec per year in Right Ascension and -0.117 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR5975 star
DSS2 image of HR5975. The red arrow shows the motion of HR5975 during the next 1000 years (-2.28 arcmin in Right Ascension and -1.95 arcmin in declination);

Distance of HR5975 from the Sun and relative movement

HR5975 is distant 129.88 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

39.84 pc
129.88 ly
-6 km/s
-0.137 arcsec/year
-0.117 arcsec/year

Spectral properties of HR5975

HR5975 belongs to spectral class F3 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR5975 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5975. Attribution: Richard Powell / CC BY-SA

HR5975 star system properties

HR5975 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 HR5975 double sysyem:

40.7 arcsec

Alternative designations of HR5975