IGM Tomography / CLAMATO

You can find this video on YouTube. Click on the image to be redirected there.

You can find this video on YouTube. Click on the image to be redirected there.

Tomographic Map of z=2.05-2.55 Lyman-alpha Forest Absorption (360 Video)

https://www.youtube.com/watch?v=QGtXi7P4u4g

3D tomographic reconstruction of Lyman-alpha absorption (blue) at z=2.05-2.55 within the COSMOS field, using background galaxies and quasars observed with the Keck-I telescope. The glowing points are coeval galaxies with known spectroscopic redshifts. The footprint on the sky (shorter axes) is approximately 26 arcminutes x 21 arcminutes, or 43 comoving Megaparsecs x 34 Megaparsecs.

The video was produced in cooperation with K. G. Lee (MPIA).