Your guide to the Solar System and the night sky
Please donate now to help keep TheSkyLive ads-free. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]


HR6398 is a double main-sequence star in the constellation of Scorpius.

HR6398 visual magnitude is 5.96. Because of its reltive faintness, HR6398 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 HR6398:

HR6398 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR6398

HR6398 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6398 are provided in the following table:

17h 15m 35s
-38° 35’ 38”

The simplified sky map below shows the position of HR6398 in the sky:

Finder chart HR6398 star
Simplified finder chart for HR6398.

Visibility of HR6398 from your location

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

HR6398 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR6398

The image below is a photograph of HR6398 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 HR6398 is -0.182 arcsec per year in Right Ascension and -0.412 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR6398 star
DSS2 image of HR6398. The red arrow shows the motion of HR6398 during the next 1000 years (-3.03 arcmin in Right Ascension and -6.87 arcmin in declination);

Distance of HR6398 from the Sun and relative movement

HR6398 is distant 100.00 light years from the Sun and it is moving towards the Sun at the speed of 54 kilometers per second.

30.67 pc
100.00 ly
-54 km/s
-0.182 arcsec/year
-0.412 arcsec/year

Spectral properties of HR6398

HR6398 belongs to spectral class F7 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR6398 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6398. Attribution: Richard Powell / CC BY-SA

HR6398 star system properties

HR6398 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 HR6398 double sysyem:

0.1 arcsec

Alternative designations of HR6398