New eclipsing binary discovered with TESS

Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have detected a new low-mass, pre-main-sequence binary system. The newfound binary, designated 2M1222−57, contains two stars the size of the sun but ...

Type II supernova SN 2020jfo investigated in detail

An international team of researchers have performed high-cadence photometric and spectroscopic observations of a Type II supernova known as SN 2020jfo. Results of the observational campaign, presented November 5 on arXiv.org, ...

Measuring sunlight from space, on a chip

For 40 years, people have used space-based sensors to measure the amount of light coming from the sun, which gives scientists insight into climate change on Earth.

KT Eridani is a recurrent nova, study finds

By analyzing a large set of photometric data, astronomers have investigated KT Eridani—a nova detected in 2009. The study, published October 19 on arXiv.org, found that KT Eridani is a recurrent nova with a recurrence time-scale ...

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