Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
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All Constellations » Tucana » 

λ2 Tucanae (lambda2 Tucanae)

λ2 Tucanae is a giant star in the constellation of Tucana.

λ2 Tucanae visual magnitude is 5.45. Because of its reltive faintness, λ2 Tucanae 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 λ2 Tucanae:

λ2 Tucanae (lambda2 Tucanae) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of λ2 Tucanae

λ2 Tucanae 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 λ2 Tucanae are provided in the following table:

00h 55m 00s
-69° 31’ 36”

The simplified sky map below shows the position of λ2 Tucanae in the sky:

Finder chart λ2 Tucanae (lambda2 Tucanae) star
Simplified finder chart for λ2 Tucanae (lambda2 Tucanae).

Visibility of λ2 Tucanae from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

λ2 Tucanae (lambda2 Tucanae) is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of λ2 Tucanae

The image below is a photograph of λ2 Tucanae 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 λ2 Tucanae is 0.006 arcsec per year in Right Ascension and -0.045 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of λ2 Tucanae (lambda2 Tucanae) star
DSS2 image of λ2 Tucanae. The red arrow shows the motion of λ2 Tucanae during the next 10000 years (1.00 arcmin in Right Ascension and -7.50 arcmin in declination);

Distance of λ2 Tucanae from the Sun and relative movement

λ2 Tucanae is distant 210.05 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

64.43 pc
210.05 ly
5 km/s
0.006 arcsec/year
-0.045 arcsec/year

Spectral properties of λ2 Tucanae

λ2 Tucanae belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where λ2 Tucanae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of λ2 Tucanae. Attribution: Richard Powell / CC BY-SA

Alternative designations of λ2 Tucanae

λ2 Tucanae
(lambda2 Tucanae)