On the minimum jet power of TeV BL Lac objects in the p-gamma model
- We study the requirement of the jet power in the conventional p-gamma models (photopion production and Bethe-Heitler pair production) for TeV BL Lac objects. We select a sample of TeV BL Lac objects whose spectral energy distributions are difficult to explain by the one-zone leptonic model. Based on the relation between the p-gamma interaction efficiency and the opacity of gamma gamma absorption, we find that the detection of TeV emission poses upper limits on the p-gamma interaction efficiencies in these sources and hence minimum jet powers can be derived accordingly. We find that the obtained minimum jet powers exceed the Eddington luminosity of the supermassive black holes (SMBHs). Implications for the accretion mode of the SMBHs in these BL Lac objects and the origin of their TeV emissions are discussed.
| Author details: | Rui XueORCiD, Ruo-Yu LiuORCiD, Xiang-Yu Wang, Huirong YanORCiDGND, Markus BöttcherORCiD |
|---|---|
| DOI: | https://doi.org/10.3847/1538-4357/aaf720 |
| ISSN: | 0004-637X |
| ISSN: | 1538-4357 |
| Title of parent work (English): | The astrophysical journal : an international review of spectroscopy and astronomical physics |
| Publisher: | IOP Publ. Ltd. |
| Place of publishing: | Bristol |
| Publication type: | Article |
| Language: | English |
| Date of first publication: | 2019/01/23 |
| Publication year: | 2019 |
| Release date: | 2021/04/20 |
| Tag: | galaxies: active; galaxies: jets; radiation mechanisms: non-thermal |
| Volume: | 871 |
| Issue: | 1 |
| Number of pages: | 10 |
| Funding institution: | National Key R&D program of China [2018YFA0404200]; NSFCNational Natural Science Foundation of China [11625312, 11851304] |
| Organizational units: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie |
| DDC classification: | 5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik |
| Peer review: | Referiert |
| Publishing method: | Open Access / Green Open-Access |
