To See Black Holes in Detail, She Uses ‘Echoes’ Like a Bat | Quanta Magazine

Erin Kara is an observational astrop Erin Kara at t n’t Massachusetts Institute of Technology.

Her goal is to better understand how black holes behave and reshape galaxies across the universe.

Kara's work on reverberation mapping has exposed black holes’ feeding frenzies in unprecedented detai Kara Kara received the American Astronomical Society’s 2 the Massachusetts Institute of Technology ole’s corona is like the crown on top of the accretion disk.

It c Interstellar mely hot, and it produces a lot of X-rays.

What we’re doing is measuring time delays between a primary flash of.

X-ray light from the corona and the corresponding echoes from th Packed .

If we can measur millions or billions we can reconstruct what it looks like around the black hole.

ASASSN-18el was found by the ASAS-SN all-sky survey as one of these black holes that were kind of normal-looking and then, all of a sudden, went into this crazy Kara urst. a billion years ago Kara LightText__NxlGi">first today a few months a year at least millions four about a year four o Kara span> ASAS night night Kara t__NxlGi">about a thousand Earth just 10 +070< Kara n> MAXI One first xt__NxlGi">two Kara Gi">M87the American Astronomical Society’s L 2022 Text__NxlGi">The Event Horizon Telescope Raythe preceding five years ar Quanta Magazine Text__NxlGi">LaughsKara > Fundamentally night ne about a million n’t