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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: 7:50  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Scorpius » 


Altitude: -15.5°   Azimuth: 228.7°   Direction: South-West

HR6456 is a double giant star in the constellation of Scorpius.

HR6456 visual magnitude is 5.93. Because of its reltive faintness, HR6456 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 HR6456:


HR6456 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -15.5°
Azimuth: 228.7°
Direction: South-West

Celestial coordinates and finder chart of HR6456

HR6456 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 HR6456 are provided in the following table:

17h 22m 54s
-37° 13’ 14”

The simplified sky map below shows the position of HR6456 in the sky:

Finder chart HR6456 star
Simplified finder chart for HR6456.

Visibility of HR6456 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 HR6456 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: 127.2°
Max altitude: 1.3°
Azimuth: 232.8°

Digitized Sky Survey image of HR6456

The image below is a photograph of HR6456 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 HR6456 is 0.033 arcsec per year in Right Ascension and -0.026 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6456 star
DSS2 image of HR6456. The red arrow shows the motion of HR6456 during the next 10000 years (5.50 arcmin in Right Ascension and -4.33 arcmin in declination);

Distance of HR6456 from the Sun and relative movement

HR6456 is distant 420.65 light years from the Sun and it is moving towards the Sun at the speed of 36 kilometers per second.

129.03 pc
420.65 ly
-36 km/s
0.033 arcsec/year
-0.026 arcsec/year

Spectral properties of HR6456

HR6456 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR6456 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6456. Attribution: Richard Powell / CC BY-SA

HR6456 star system properties

HR6456 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 HR6456 double sysyem:

20.2 arcsec

Alternative designations of HR6456