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 and help us to keep this site free and ad-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:49  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Scorpius » 

Xamidimura - μ1 Scorpii (mu1 Scorpii)

Altitude: -3.4°   Azimuth: 156.6°   Direction: South-South-East

Xamidimura, also designated as μ1 Scorpii (mu1 Scorpii), is a variable and double main-sequence star in the constellation of Scorpius.

Xamidimura visual magnitude is 3.08. Because of its moderate brightness, Xamidimura should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about Xamidimura:


Xamidimura - μ1 Scorpii (mu1 Scorpii) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -3.4°
Azimuth: 156.6°
Direction: South-South-East

Celestial coordinates and finder chart of Xamidimura

Xamidimura 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 Xamidimura are provided in the following table:

16h 51m 52s
-38° 02’ 50”

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

Finder chart Xamidimura - μ1 Scorpii (mu1 Scorpii) star
Simplified finder chart for Xamidimura - μ1 Scorpii (mu1 Scorpii).

Visibility of Xamidimura 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 Xamidimura - μ1 Scorpii (mu1 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: 128.0°
Max altitude: 0.5°
Azimuth: 232.0°

Digitized Sky Survey image of Xamidimura

The image below is a photograph of Xamidimura 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 Xamidimura is -0.011 arcsec per year in Right Ascension and -0.025 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Xamidimura - μ1 Scorpii (mu1 Scorpii) star
DSS2 image of Xamidimura. The red arrow shows the motion of Xamidimura during the next 10000 years (-1.83 arcmin in Right Ascension and -4.17 arcmin in declination);

Distance of Xamidimura from the Sun and relative movement

Xamidimura is distant 821.16 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

251.89 pc
821.16 ly
-25 km/s
-0.011 arcsec/year
-0.025 arcsec/year

Spectral properties of Xamidimura

Xamidimura belongs to spectral class B1 and has a luminosity class of V corresponding to a main-sequence star.


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

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

Xamidimura star system properties

Xamidimura is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the Xamidimura double sysyem:

390 arcsec

Alternative designations of Xamidimura

μ1 Scorpii
(mu1 Scorpii)