NASA's IXPE reveals X-ray-generating particles in black hole jets
- NASA’s IXPE mission, alongside additional observatories, studied a bright active galactic nucleus known as BL Lacertae in late November 2023, uncovering the process behind the X-rays produced by its powerful jets.
- Scientists debated whether protons or electrons caused the X-rays, prompting IXPE to measure polarization and test these competing hypotheses.
- IXPE found X-rays had less than 7.6% polarization while optical light showed 47.5%, indicating electrons scatter photons via the Compton effect to create X-rays.
- Iván Agudo emphasized IXPE and ground telescopes provided tools to solve a major mystery about black hole jets caused by electron-photon interactions called Compton scattering.
- These findings clarify black hole jet X-ray origins and suggest future searches for similar events can expand understanding of extreme astrophysical processes.
13 Articles
13 Articles
NASA’s IXPE Solves Mystery of X-Ray Emissions from Supermassive Black Hole
A supermassive black hole, blazar BL Lacertae, has finally revealed how these cosmic features generate X-rays, thanks to new international research using NASA’s Imaging X-ray Polarimetry Explorer (IXPE). Blazar BL Lacertae’s jets point directly toward Earth, pouring forth from the supermassive black hole surrounded by a brilliant halo, which presents an optimal condition for the scientific study of its X-rays. The new work proves that electron a…
NASA Cracks 30-Year X-ray Mystery With Blazing Black Hole Light Show
Astronomers using NASA’s IXPE satellite have finally cracked a cosmic mystery—how X-rays are produced in the energetic jets of supermassive black holes like the blazar BL Lacertae. The blazar BL Lacertae—a type of active galaxy powered by a supermassive black hole with bright, fast-moving jets ai
NASA's IXPE reveals X-ray-generating particles in black hole jets
The blazar BL Lacertae, a supermassive black hole surrounded by a bright disk and jets oriented toward Earth, provided scientists with a unique opportunity to answer a longstanding question: How are X-rays generated in extreme environments like this?
NASA Telescopes Tune into a Black Hole "Prelude & Fugue"
NASA Telescopes Tune into a Black Hole "Prelude & Fugue"Three new pieces of cosmic sound are being released to celebrate black holes, the densest and darkest members of our universe. These scientific productions are sonifications—or translations—of data collected by NASA telescopes in space including the Chandra X-ray Observatory, James Webb Space Telescope, Imaging X-ray Polarimetry Explorer, or IXPE, and others.Black holes are neither static n…
Groundbreaking Research from NASA's IXPE Reveals the Source of X-Ray Emissions in Black Hole Jets
NASA’s Imaging X-ray Polarimetry Explorer (IXPE) has uncovered crucial information about the generation of X-rays in the extreme environments around supermassive black holes. This study, which is available on arXiv, marks a major breakthrough in our understanding of the high-energy phenomena found in blazars, such as BL Lacertae. The research shows that electrons, not protons, are responsible for the production of X-rays in the jets of these bla…
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