Black Hole shadow temperature profile

In summary, the "Black Hole shadow temperature profile" refers to the analysis of thermal radiation emitted near the event horizon of a black hole, particularly focusing on the temperature distribution in the area surrounding the black hole's shadow. This profile helps to understand the influence of gravitational effects on thermal emissions and provides insights into the properties of black holes, including their mass and spin. The study of this temperature profile is crucial for interpreting observational data from astrophysical phenomena and enhances our understanding of fundamental physics in extreme environments.
  • #1
djymndl07
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I am not sure if it is right to ask this question or not. Kindly let me know if it isn't. Actually I was going through the article Shadow Thermodynamics. I was trying to recreate the image fig 5 and 6 in mathematica. The idea is that we have to draw circles of radius ##r_s## given by equations 16,18,24,25 over a certain range of ##r_h## and the bar legend showing corresponding temperature in equation 19. I can create fig 5, though not exactly matches with the article but I cannot make fig 6. Can anyone help me with this? At least tell me the color function and scaling idea used in this paper.
Thank You in advance
 

FAQ: Black Hole shadow temperature profile

What is a black hole shadow?

A black hole shadow is the region of darkness that surrounds a black hole, where light cannot escape due to the black hole's immense gravitational pull. It is the silhouette that appears when a black hole is observed against the backdrop of surrounding light, such as from an accretion disk or other celestial objects. The shadow is typically circular and its size is determined by the black hole's mass and spin.

What is the temperature profile of a black hole shadow?

The temperature profile of a black hole shadow is not directly measurable, as the shadow itself is a region devoid of light and heat. However, the area surrounding the black hole, particularly the accretion disk, can emit radiation that gives an indirect indication of temperature. The temperature of the accretion disk can vary significantly based on its distance from the black hole and the rate of material falling into it, often reaching millions of degrees Kelvin.

How does the temperature of the accretion disk affect the black hole shadow?

The temperature of the accretion disk influences the brightness and visibility of the black hole shadow. A hotter accretion disk emits more radiation, making the shadow more pronounced against the bright background. The contrast between the hot disk and the dark shadow allows for better observation and imaging of the black hole's silhouette, as seen in the Event Horizon Telescope's imaging efforts.

Can the temperature profile of a black hole shadow change over time?

Yes, the temperature profile associated with a black hole shadow can change over time, primarily due to variations in the accretion rate of matter falling into the black hole. If the accretion disk becomes more active, the temperature can rise, leading to increased radiation and a more pronounced shadow. Conversely, if the accretion rate decreases, the temperature may drop, affecting the visibility of the shadow.

What are the implications of studying the temperature profile of black hole shadows?

Studying the temperature profile of black hole shadows can provide insights into the dynamics of accretion processes, the behavior of matter in extreme gravitational fields, and the properties of the black hole itself, such as its mass and spin. This research can also help improve our understanding of fundamental physics, including general relativity and the nature of spacetime around black holes.

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