The microquasar V 4146 Sgr tells. That stellar mass black holes can create as high energy levels as supermassive black holes.

"Schematic illustration of the V4641Sgr region. Credit: HAWC Collaboration" (https://wipac.wisc.edu/ HAWC detection of an ultra-high-energy gamma-ray bubble around a microquasar)

The microquasar is the binary star system where a visible star orbits a stellar-mass black hole. The most well-known microquasar is Cygnus X-1. The first confirmed black hole. The microquasar V 4146 Sagittarii surprises researchers. That microquasar sends photons. That energy level is even 200 TeV. That means the microquasar V 4641 Sgr Gives those photons an energy level that is almost the same as distant quasars that form around supermassive black holes.

How does the stellar-mass black hole give those photons the same energy level as supermassive black holes? Microquasars form in binary star systems where a regular star orbits a black hole. The black hole pulls material inside it. And then. It can create similar relativistic jets as the distant quasars.

The V 4146 Sgr is the binary star system where the late B class supergiant mass about three suns orbits a black hole whose mass is about six suns. The visible partner has been much bigger but the black hole pulls material from it. The V4146 Sgr tells that the beginning of the high-energy radiation from the black holes starts always in the same place. The distance between those particles to the event horizon is always the same regardless of does the radiation comes from stellar mass or a supermassive black hole.

The particle that escapes from the black hole material disk very close to the event horizon sends Cherenkov radiation when it impacts fields and material in the outer lower energy material disk. In extremely dense, high-energy radiation the particle can jump from the vacuum pocket where it starts to deliver energy.

That means the energy level near supermassive black holes and stellar black hole event horizon is the same. When a particle falls in a black hole the last moment when we see it is the point called the event horizon. That is the point when escaping velocity reaches the speed of light. Particles and radiation form and whirl around the black hole.

Because radiation travels faster than the particles near the event horizon it starts to transfer energy into them. The energy level of those particles rises to an extremely high level. At that moment, the particle that is in the inner circle of the material disk can jump away from its position. When the inner particle's energy level rises high enough. It can send an energy pulse to the lower-energy particle. Then it can push that particle away from its trajectory.

The black holes are extremely heavy objects. They might look like stable. But the shape of the event horizon changes. At that point. The photon or some other particle can escape from the black hole. That means the event horizon can fall away from those particles.

In some models, the transition disk around the black hole forms a whirl or spiral-shaped structure where material and energy form the structure that looks like the LP disk or string-shaped spirals. If the particle travels between those spiraling strings. They can transfer energy to them. That means the energy level of those particles rises so high, that they can travel faster than the speed of light in the material that is in the transition disk. When a particle jumps out from its trajectory. It releases energy.

In a material disk, the particle that is closer to the event horizon is at a higher energy level. When that material starts to travel away from the inner trajectory. That particle can start to send radiation because the energy level around it turns lower. Any particle that has mass cannot have unlimited slowing. That particle can slow its speed only if it can transport extra energy to the environment.

https://phys.org/news/2024-10-earth-microquasar-emerges-source-powerful.html

https://umdphysics.umd.edu/about-us/news/research-news/1991-hawc-gamma.html

https://wipac.wisc.edu/hawc-detection-of-an-ultra-high-energy-gamma-ray-bubble-around-a-microquasar/

https://en.wikipedia.org/wiki/Cygnus_X-1

https://en.wikipedia.org/wiki/Microquasar

https://en.wikipedia.org/wiki/Quasar

https://en.wikipedia.org/wiki/V4641_Sagittarii

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