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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: 7:49  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
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All Constellations » Scorpius » 

Dschubba - δ Scorpii (delta Scorpii)

Altitude: -13.5°   Azimuth: 250.6°   Direction: West-South-West

Dschubba, also designated as δ Scorpii (delta Scorpii), is a multiple hypergiant star in the constellation of Scorpius.

Dschubba visual magnitude is 2.32, making it the 79th brightest star in the sky. Thanks to its high brightness, Dschubba is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.

The table below summarizes the key facts about Dschubba:


Dschubba - δ Scorpii (delta Scorpii) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -13.5°
Azimuth: 250.6°
Direction: West-South-West

Celestial coordinates and finder chart of Dschubba

Dschubba is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Dschubba are provided in the following table:

16h 00m 20s
-22° 37’ 18”

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

Finder chart Dschubba - δ Scorpii (delta Scorpii) star
Simplified finder chart for Dschubba - δ Scorpii (delta Scorpii).

Visibility of Dschubba 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 Dschubba - δ Scorpii (delta Scorpii) 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: 112.6°
Max altitude: 15.9°
Azimuth: 247.4°

Digitized Sky Survey image of Dschubba

The image below is a photograph of Dschubba 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 Dschubba is -0.012 arcsec per year in Right Ascension and -0.022 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Dschubba - δ Scorpii (delta Scorpii) star
DSS2 image of Dschubba. The red arrow shows the motion of Dschubba during the next 10000 years (-2.00 arcmin in Right Ascension and -3.67 arcmin in declination);

Distance of Dschubba from the Sun and relative movement

Dschubba is distant 401.48 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

123.15 pc
401.48 ly
-7 km/s
-0.012 arcsec/year
-0.022 arcsec/year

Spectral properties of Dschubba

Dschubba belongs to spectral class B0 and has a luminosity class of IV corresponding to a hypergiant star.


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

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

Dschubba star system properties

Dschubba 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 Dschubba double sysyem:

0.2 arcsec

Alternative designations of Dschubba

δ Scorpii
(delta Scorpii)