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: 4:46  
clear_day Transit: 12:56  
SunsetSet: 21:07 south
sunny DaytimeWhat's Visible Now
All Constellations » Scorpius » 


Altitude: -64.9°   Azimuth: 300.8°   Direction: West-North-West

HR6426 is a variable and multiple main-sequence star in the constellation of Scorpius.

HR6426 visual magnitude is 5.91. Because of its reltive faintness, HR6426 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 HR6426:


HR6426 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -64.9°
Azimuth: 300.8°
Direction: West-North-West

Celestial coordinates and finder chart of HR6426

HR6426 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 HR6426 are provided in the following table:

17h 18m 57s
-34° 59’ 22”

The simplified sky map below shows the position of HR6426 in the sky:

Finder chart HR6426 star
Simplified finder chart for HR6426.

Visibility of HR6426 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 HR6426 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: 125.0°
Max altitude: 3.5°
Azimuth: 235.0°
HR6426 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6426

The image below is a photograph of HR6426 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 HR6426 is 1.17 arcsec per year in Right Ascension and -0.164 arcsec per year in Declination and the associated displacement for the next 100 years is represented with the red arrow.

Image of HR6426 star
DSS2 image of HR6426. The red arrow shows the motion of HR6426 during the next 100 years (1.95 arcmin in Right Ascension and -0.27 arcmin in declination);

Distance of HR6426 from the Sun and relative movement

HR6426 is distant 22.73 light years from the Sun

6.97 pc
22.73 ly
1.17 arcsec/year
-0.164 arcsec/year

Spectral properties of HR6426

HR6426 belongs to spectral class K3 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR6426 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6426. Attribution: Richard Powell / CC BY-SA

HR6426 star system properties

HR6426 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 HR6426 double sysyem:

0.5 arcsec

Alternative designations of HR6426

Gl 667 A