All Outputs (3)

The relativistic jet of the γ-ray emitting narrow-line Seyfert 1 galaxy 1H 0323+342 (2017)
Journal Article
Kynoch, D., Landt, H., Ward, M. J., Done, C., Gardner, E., Boisson, C., Arrieta-Lobo, M., Zech, A., Steenbrugge, K., & Pereira Santaella, M. (2018). The relativistic jet of the γ-ray emitting narrow-line Seyfert 1 galaxy 1H 0323+342. Monthly Notices of the Royal Astronomical Society, 475(1), 404-423. https://doi.org/10.1093/mnras/stx3161

The detection of several radio-loud narrow-line Seyfert 1 (NLS1) galaxies by the Fermi Gamma-Ray Space Telescope hints at the existence of a rare, new class of γ-ray emitting active galactic nuclei with low black hole masses. Like flat spectrum radio... Read More about The relativistic jet of the γ-ray emitting narrow-line Seyfert 1 galaxy 1H 0323+342.

What powers the most relativistic jets? – II. Flat-spectrum radio quasars (2017)
Journal Article
Gardner, E., & Done, C. (2018). What powers the most relativistic jets? – II. Flat-spectrum radio quasars. Monthly Notices of the Royal Astronomical Society, 473(2), 2639-2654. https://doi.org/10.1093/mnras/stx2516

Flat Spectrum Radio Quasars (FSRQs) are the most powerful relativistic jets seen from supermassive black holes (BHs) accreting via a radiatively efficient thin disc. Their high energy emission is well modelled by highly relativistic electrons in the... Read More about What powers the most relativistic jets? – II. Flat-spectrum radio quasars.

The origin of the UV/optical lags in NGC 5548 (2017)
Journal Article
Gardner, E., & Done, C. (2017). The origin of the UV/optical lags in NGC 5548. Monthly Notices of the Royal Astronomical Society, 470(3), 3591-3605. https://doi.org/10.1093/mnras/stx946

The new multiwavelength monitoring campaign on NGC 5548 shows clearly that the variability of the ultraviolet (UV)/optical light curves lags by progressively longer times at longer wavelengths, as expected from reprocessing off an optically thick dis... Read More about The origin of the UV/optical lags in NGC 5548.