The Blackbody CMB Temperature, Luminosity, and Their Relation to Black Hole Cosmology, Compared to Bekenstein-Hawking Luminosity

Espen Haug; Stephane Wojnow

doi:10.20944/preprints202401.0173.v2

Preprint Article Version 2 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 2 January 2024 / Approved: 3 January 2024 / Online: 3 January 2024 (09:28:51 CET)
Version 2 : Received: 4 January 2024 / Approved: 4 January 2024 / Online: 5 January 2024 (07:00:26 CET)

We use the Stefan-Boltzmann law to derive and investigate what we will call the black hole CMB temperature luminosity. Interestingly, the CMB luminosity is always the same for every black hole at a luminosity distance equal to the Schwarzschild radius, which is fully valid in black hole cosmology, a topic that is actively discussed to this day. The CMB black hole luminosity is always the same , regardless of the mass of the black hole. This is in contrast to the Bekenstein-Hawking luminosity, which is linked to the Hawking temperature, that is mass dependent.

CMB temperature luminosity; black hole luminosity; Hawking temperature

Physical Sciences, Astronomy and Astrophysics

Comment 1

Received: 5 January 2024
Commenter: Espen Haug
Commenter's Conflict of Interests: Author

Comment: We have added a section on black hole inernal radiation pressure derivations, section 5

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The Blackbody CMB Temperature, Luminosity, and Their Relation to Black Hole Cosmology, Compared to Bekenstein-Hawking Luminosity

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