keithgendreau @keithgendreau

Dr. Keith Gendreau. Principal Investigator, NASA's NICER mission. Tweets are my own views and do not represent NASA or the U.S. Govt. Joined March 2008

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keithgendreau @keithgendreau

10 months ago

@keithgendreau.bsky.social

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keithgendreau @keithgendreau

11 months ago

Outside the GSFC north gate last night

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keithgendreau @keithgendreau

11 months ago

nature.com/articles/s4158… NICER uncovered the QPE behavior in this source thanks to high cadence monitoring and soft X-ray response.

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NASA Universe @NASAUniverse

12 months ago

https://t.co/TaQM3Rtex9

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Astro Plot of the Week @PlotAstro

a year ago

It is time to pick the newest "Astro Plot of the Week"! Pick one: - Plot from Rowan et al. (arxiv.org/abs/2409.02983) - Plot from Nicholl et al. (arxiv.org/abs/2409.02181) Poll (below) is open for two days - vote!

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Brian Metzger @bluekilonova

a year ago

arxiv.org/abs/2409.02181 Really cool result from Nicholl+ confirming X-ray QPEs can pop out of TDE disks (confirming work by e.g. @joheenc ). This strongly supports QPEs are produced by star-disk collisions, i.e. "EMRI+TDE = QPE" scenario we've been developing w/ Itai Linial.

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keithgendreau @keithgendreau

a year ago

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Devarshi Choudhury @C_Devarshi

a year ago

Thrilled to announce the culmination of years of research, working with an amazing team; the results for PSR J0437-4715 are finally here✨🍾! Dive into details of how we came about some of the tightest neutron star radius measurement to date in this insightful thread! #published