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: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
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All Constellations » Ara » 


Altitude: -34.9°   Azimuth: 215.5°   Direction: South-West

HR6408 is a double giant star in the constellation of Ara.

HR6408 visual magnitude is 5.91. Because of its reltive faintness, HR6408 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 HR6408:


HR6408 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -34.9°
Azimuth: 215.5°
Direction: South-West

Celestial coordinates and finder chart of HR6408

HR6408 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 HR6408 are provided in the following table:

17h 19m 12s
-59° 41’ 39”

The simplified sky map below shows the position of HR6408 in the sky:

Finder chart HR6408 star
Simplified finder chart for HR6408.

Visibility of HR6408 from your location

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

HR6408 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR6408

The image below is a photograph of HR6408 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 HR6408 is -0.012 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6408 star
DSS2 image of HR6408. The red arrow shows the motion of HR6408 during the next 10000 years (-2.00 arcmin in Right Ascension and -1.33 arcmin in declination);

Distance of HR6408 from the Sun and relative movement

HR6408 is distant 2,050.31 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

628.93 pc
2,050.31 ly
-5 km/s
-0.012 arcsec/year
-0.008 arcsec/year

Spectral properties of HR6408

HR6408 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR6408 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR6408. Attribution: Richard Powell / CC BY-SA

HR6408 star system properties

HR6408 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 HR6408 double sysyem:

20 arcsec

Alternative designations of HR6408