Sirius B

Sirius B — star, explore its interactive 3D model in Cosmoscope.

Explore Sirius B in an interactive 3D view of space. See its catalogue position, distance and astronomical facts.

Sirius B is shown at its catalogue position, at an adopted distance of 8.6 light-years from Earth. Its 3D stellar surface is an illustration based on the catalogue colour and adopted or estimated physical properties.

Catalogue distance

8.6 light-years

Apparent magnitude

8.44

Colour index (B−V)

-0.03

Adopted radius

0.008 times the Sun’s radius

Adopted temperature

25,000 K

Surface

Illustrated stellar plasma; not a resolved surface map

Explore Sirius B in 3D

Sirius B is placed in three-dimensional space using catalogue coordinates and an adopted astronomical distance. Rotate and zoom to explore the model. Stellar surfaces, gas structure and dust depths may be reconstructed or illustrative, as described in its facts; this is not live imagery from a telescope.