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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: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sleep NighttimeWhat's Visible Now?
All Constellations » Sculptor » 

λ1 Sculptoris (lambda1 Sculptoris)

Altitude: -21.8°   Azimuth: 235.1°   Direction: South-West

λ1 Sculptoris is a double hypergiant star in the constellation of Sculptor.

λ1 Sculptoris visual magnitude is 6.06. Because of its reltive faintness, λ1 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 λ1 Sculptoris:


λ1 Sculptoris (lambda1 Sculptoris) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -21.8°
Azimuth: 235.1°
Direction: South-West

Celestial coordinates and finder chart of λ1 Sculptoris

λ1 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 λ1 Sculptoris are provided in the following table:

00h 42m 42s
-38° 27’ 47”

The simplified sky map below shows the position of λ1 Sculptoris in the sky:

Finder chart λ1 Sculptoris (lambda1 Sculptoris) star
Simplified finder chart for λ1 Sculptoris (lambda1 Sculptoris).

Visibility of λ1 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 λ1 Sculptoris (lambda1 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: 128.5°
Max altitude: 0.1°
Azimuth: 231.5°

Digitized Sky Survey image of λ1 Sculptoris

The image below is a photograph of λ1 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 λ1 Sculptoris is 0.003 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of λ1 Sculptoris (lambda1 Sculptoris) star
DSS2 image of λ1 Sculptoris. The red arrow shows the motion of λ1 Sculptoris during the next 100000 years (5.00 arcmin in Right Ascension and -8.33 arcmin in declination);

Distance of λ1 Sculptoris from the Sun and relative movement

λ1 Sculptoris is distant 431.79 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

132.45 pc
431.79 ly
10 km/s
0.003 arcsec/year
-0.005 arcsec/year

Spectral properties of λ1 Sculptoris

λ1 Sculptoris belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where λ1 Sculptoris is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of λ1 Sculptoris. Attribution: Richard Powell / CC BY-SA

λ1 Sculptoris star system properties

λ1 Sculptoris is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the λ1 Sculptoris double sysyem:

0.6 arcsec

Alternative designations of λ1 Sculptoris

λ1 Sculptoris
(lambda1 Sculptoris)