An international team of astronomers has observed a deep, day-long asymmetric occultation in a recently detected low-mass star known as EPIC 204376071.

In a research paper published February 21 on arXiv.org, the scientists detail their finding and ponder various theories that could explain such peculiar occultation.

Located some 440 away, most likely in the Upper Scorpius stellar association, EPIC 204376071 is a young (about 10 million years old) M-star with a mass of about 0.16 solar masses and a radius of approximately 0.63 solar radii. The star has an effective temperature of nearly 3,000 K, luminosity of around 0.03 solar luminosities and a rotation period of 1.63 days.

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