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March 25, 2023

Gamma-Ray Sky

YouTube description:

Watch a cosmic gamma-ray fireworks show in this animation using a year of data from the Large Area Telescope (LAT) aboard NASA's Fermi Gamma-ray Space Telescope.

Each object's magenta circle grows as it brightens and shrinks as it dims.

The yellow circle represents the Sun following its apparent annual path across the sky.

The animation shows a subset of the LAT gamma-ray records now available for more than 1,500 objects in a new, continually updated repository.

Over 90% of these sources are a type of galaxy called a blazar, powered by the activity of a supermassive black hole.

More here.

Can't stop won't stop?

I hear you.

Your wish is my demand.

Read the original paper, "The Fermi-LAT Lightcurve Repository," published March 15, 2023 in the Astrophysical Journal, in its entirety here and here.

Wait a sec — what's that fantastic 1982 movie that suddenly comes to mind?

No, not that one, besides which it's from 1972; this one.

March 25, 2023 at 12:01 PM | Permalink


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