Neutron stars have the strongest magnetic fields in the universe, and the only way to measure their surface magnetic field directly is to observe the cyclotron absorption lines in their X-ray energy spectra. The Insight-HXMT ...
Astronomy
Jul 12, 2022
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2853
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 ...
Astronomy
Jul 1, 2022
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173
A supernova is the catastrophic explosion of a star. Thermonuclear supernovae, in particular, signal the complete destruction of a white dwarf star, leaving nothing behind. At least that's what models and observations suggested.
Astronomy
Jun 23, 2022
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1373
Astronomers from the Astronomical Observatory of Padova, Italy, and elsewhere have conducted observations of 25 stars as part of the COPAINS Pilot Survey. As a result, they detected four new brown dwarfs that received designations ...
NASA's Hubble Space Telescope has uncovered a witness at the scene of a star's explosive death: a companion star previously hidden in the glare of its partner's supernova. The discovery is a first for a particular type of ...
Astronomy
May 5, 2022
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368
The flashing of a nearby star has drawn MIT astronomers to a new and mysterious system 3,000 light years from Earth. The stellar oddity appears to be a new "black widow binary"—a rapidly spinning neutron star, or pulsar, ...
Astronomy
May 4, 2022
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1829
Nearby black holes and their stellar companions form an astrophysical rogues' gallery in this new NASA visualization.
Astronomy
May 3, 2022
0
347
A research team at the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences (CAS), together with international collaborators at Monash University and the Joint Institute for Nuclear Astrophysics, has computed ...
Astronomy
Apr 28, 2022
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18
An international group of astronomers led by Benjamin Thomas of The University of Texas at Austin has used observations from the Hobby-Eberly Telescope (HET) at the university's McDonald Observatory to unlock a puzzling mystery ...
Astronomy
Apr 27, 2022
0
2397
Astronomers from Jena Observatory in Germany and elsewhere have performed follow-up observations of a nearby binary star system known as Gamma Cephei. Results of the observational campaign, published March 8 on arXiv.org, ...
