We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate Now! Help keep this site free and ads-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
sunny DaytimeWhat's Visible Now?
All Constellations » Scorpius » 

Dschubba - δ Scorpii (delta Scorpii)

Altitude: -16.5°   Azimuth: 254.2°   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 skies, and should be also quite easily visible from light polluted areas.

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);

Key facts about Dschubba

2.32
Hypergiant

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

Altitude: -16.5°
Azimuth: 254.2°
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”
350.1°
22.49°
Scorpius

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°

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.

-3.13
B0IV
11920K

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:

2.32
2.52
0.2
0.2 arcsec

Alternative designations of Dschubba

Dschubba
δ Scorpii
(delta Scorpii)
SAO184014
SAO184014