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: 6:55  
clear_day Transit: 12:49  
SunsetSet: 18:41 south
sleep NighttimeWhat's Visible Now
All Constellations » Sculptor » 

σ Sculptoris (sigma Sculptoris)

Altitude: 6.2°   Azimuth: 169.0°   Direction: South

σ Sculptoris is a main-sequence star in the constellation of Sculptor.

σ Sculptoris visual magnitude is 5.5. Because of its reltive faintness, σ Sculptoris 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 σ Sculptoris:


σ Sculptoris (sigma Sculptoris) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 6.2°
Azimuth: 169.0°
Direction: South

Celestial coordinates and finder chart of σ Sculptoris

σ Sculptoris 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 σ Sculptoris are provided in the following table:

01h 02m 26s
-31° 33’ 06”

The simplified sky map below shows the position of σ Sculptoris in the sky:

Finder chart σ Sculptoris (sigma Sculptoris) star
Simplified finder chart for σ Sculptoris (sigma Sculptoris).

Visibility of σ Sculptoris 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 σ Sculptoris (sigma Sculptoris) 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: 121.6°
Max altitude: 7.0°
Azimuth: 238.4°

Digitized Sky Survey image of σ Sculptoris

The image below is a photograph of σ Sculptoris 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 σ Sculptoris is 0.082 arcsec per year in Right Ascension and 0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of σ Sculptoris (sigma Sculptoris) star
DSS2 image of σ Sculptoris. The red arrow shows the motion of σ Sculptoris during the next 10000 years (13.67 arcmin in Right Ascension and 2.00 arcmin in declination);

Distance of σ Sculptoris from the Sun and relative movement

σ Sculptoris is distant 226.55 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

69.49 pc
226.55 ly
-8 km/s
0.082 arcsec/year
0.012 arcsec/year

Spectral properties of σ Sculptoris

σ Sculptoris belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star.


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

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

Alternative designations of σ Sculptoris

σ Sculptoris
(sigma Sculptoris)