Quasars vs. Microquasars: Scaling and Particle Acceleration
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arXiv
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| Format: | Preprint |
| Publié: |
2023
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| _version_ | 1866910354191155200 |
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| author | Katz, J. I. |
| author_facet | Katz, J. I. |
| contents | Quasars and microquasars both contain accreting black holes and power nonthermal radio sources but differ in more than their scales: Quasars are proportionally much more efficient accelerators of energetic electrons. The radio luminosity of the double radio sources associated with quasars, reflecting the long-time average of the particle acceleration power, is often 1-30% of the quasar's bolometric luminosity; in microquasars the fraction is $\lesssim 10^{-5}$. This may be explained by the scaling of accretion disc parameters with the black hole mass. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2302_00738 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Quasars vs. Microquasars: Scaling and Particle Acceleration Katz, J. I. High Energy Astrophysical Phenomena Quasars and microquasars both contain accreting black holes and power nonthermal radio sources but differ in more than their scales: Quasars are proportionally much more efficient accelerators of energetic electrons. The radio luminosity of the double radio sources associated with quasars, reflecting the long-time average of the particle acceleration power, is often 1-30% of the quasar's bolometric luminosity; in microquasars the fraction is $\lesssim 10^{-5}$. This may be explained by the scaling of accretion disc parameters with the black hole mass. |
| title | Quasars vs. Microquasars: Scaling and Particle Acceleration |
| topic | High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2302.00738 |