Eric Coughlin on Muck Rack

Eric Coughlin

Ann Arbor
As seen in: Nature, Wiley Online Library, Science Magazine, Detroit News, The Press-Enterprise, The Eastern Echo, The Wolverine Lounge
Former sportswriter for @detnews_sports, @WolverineLounge and @TheEasternEcho
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Articles

Repeating Nuclear Transients From Repeating Partial Tidal Disruption Events

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By Ananya Bandopadhyay, Eric Coughlin, Julia Fancher
| Wiley Online Library Verified
1 Introduction The standard picture of a tidal disruption event (TDE) involves the disruption of a star that enters the tidal sphere of a supermassive black hole (SMBH), which has a radius r t = R ⋆ M • / M ⋆ 1 / 3 $$ {r}_{\mathrm{t}}={R}_{\star }{\left({M}_{\bullet }/{M}_{\star}\right)}^{1/3} $$ (where R ⋆ $$ {R}_{\star } $$ is the stellar radius, and M ⋆ $$ {M}_{\star } $$ and M • $$ {M}_{\bullet } $$ are the stellar and SMBH masses, respectively), from a distance comparable to the sphere...
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Lense–Thirring precession after a supermassive black hole disrupts a star - Nature

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By Dheeraj R. Pasham, C. J. Nixon, Eric Coughlin, Marzena Śniegowska, Agnieszka Janiuk, Muryel Guolo, Yukta Ajay
| Nature Verified
Abstract An accretion disk formed around a supermassive black hole after it disrupts a star is expected to be initially misaligned with respect to the equatorial plane of the black hole. This misalignment induces relativistic torques (the Lense–Thirring effect) on the disk, causing the disk to precess at early times, whereas at late times the disk aligns with the black hole and precession terminates1,2.
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X-ray eruptions every 22 days from the nucleus of a nearby galaxy - Nature Astronomy

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By Muryel Guolo, Dheeraj R. Pasham, Eric Coughlin, Suvi Gezari, Kate Alexander, Yuhan Yao, Riccardo Arcodia, Keith Gendreau, Petra Suková
| Nature Verified
Abstract Galactic nuclei showing recurrent phases of activity and quiescence have recently been discovered. Some have recurrence times as short as a few hours to a day and are known as quasi-periodic X-ray eruption (QPE) sources. Others have recurrence times as long as hundreds to a thousand days and are called repeating nuclear transients.
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