Aims:We aim to identify the nature of several objects previously catalogued as ultra-luminous X-ray (ULX) source candidates. Methods: Long-slit spectroscopy of...
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PublicaciónEight more ultra luminous X-ray candidates unmasked
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NoticiaEl telescopio LST-1 en La Palma descubre el cuásar más lejano en muy altas energías
El primer prototipo de Large-Sized Telescope (LST) del Cherenkov Telescope Array Observatory (CTAO ), ubicado en el Observatorio del Roque de los Muchachos...
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PublicaciónElectron-beam interaction with emission-line clouds in blazars
Context. An electron-positron beam escaping from the magnetospheric vacuum gap of an accreting black hole interacts with recombination-line photons from...
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PublicaciónEnvironments of nearby quasars in Sloan Digital Sky Survey
Context: For the first time, spectroscopic galaxy redshift surveys are enabling galaxies to be studied with the nearest quasars. This allows the dependence of...
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PublicaciónErratum: A novel black hole mass scaling relation based on coronal gas, and its dependence with the accretion disc
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PublicaciónErratum: VLA and ALMA observations of the lensed radio-quiet quasar SDSS J0924+0219: a molecular structure in a 3 µJy radio source
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PublicaciónEstimate of the Accretion Disk Size in the Gravitationally Lensed Quasar HE 0435–1223 Using Microlensing Magnification Statistics
We present a measurement of the accretion disk size of the quadruple lensed quasar HE 0435–1223 from well-sampled 13-year COSMOGRAIL optical light curves. Using...
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PublicaciónEuclid preparation. V. Predicted yield of redshift 7 < z < 9 quasars from the wide survey
We provide predictions of the yield of 7 < z < 9 quasars from the Euclid wide survey, updating the calculation presented in the Euclid Red Book in several ways...
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PublicaciónEvolution of active galactic nuclei broad-line region clouds: low- and high-ionization lines
The formation of quasar broad-line region (BLR) clouds via thermal instability in the presence of Alfvén heating has been discussed by Gonçalves, Jatenco...