Related topics: galaxies · stars · black holes · white dwarfs · neutron stars

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 ...

Exploring the origin of the supersoft X-ray light curve

By simulating the feedback of the white dwarf (WD) to the periodic mass transfer driven by the X-ray irradiation on its companion, researchers led by Ph.D. candidate Zhao Weitao and Prof. Meng Xiangcun from the Yunnan Observatories ...

Exploring the origin of 'black widow' pulsars

Ph.D. candidate GUO Yunlang and Prof. WANG Bo from the Yunnan Observatories of the Chinese Academy of Sciences investigated the formation of black widow pulsars through ultracompact X-ray binaries (UCXBs) with He star companions.

Heaviest neutron star to date is a 'black widow' eating its mate

A dense, collapsed star spinning 707 times per second—making it one of the fastest spinning neutron stars in the Milky Way galaxy—has shredded and consumed nearly the entire mass of its stellar companion and, in the process, ...

Triply eclipsing stellar systems

Stars with the mass of the sun or larger are typically accompanied by one or more orbiting companion stars. The system forms when gravity contracts the gas and dust of an interstellar cloud until clumps develop that are dense ...

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