Zobrazeno 1 - 10
of 1 254
pro vyhledávání: '"Ghisellini P"'
For stars hosting Circumstellar Habitable Zone (CHZ) exoplanets, we investigate the time-evolution of their ultraviolet habitable zone (UHZ), the annular region around a star where an exoplanet could experience a suitable ultraviolet environment for
Externí odkaz:
http://arxiv.org/abs/2409.01401
Autor:
Krezinger, Máté, Baldini, Giovanni, Giroletti, Marcello, Sbarrato, Tullia, Ghisellini, Gabriele, Giovannini, Gabriele, An, Tao, Gabányi, Krisztina É., Frey, Sándor
Publikováno v:
A&A, Volume 690, A321, 14 (2024)
Over the past two decades, our knowledge of the high-redshift (z > 5) radio quasars has expanded, thanks to dedicated high-resolution very long baseline interferometry (VLBI) observations. Distant quasars provide unique information about the formatio
Externí odkaz:
http://arxiv.org/abs/2406.05192
Publikováno v:
A&A 685, A166 (2024)
The study of the high-energy (MeV-GeV) part of GRBs spectrum can play a crucial role in investigating the physics of the prompt emission, but it is often hampered by low statistic and the paucity of GeV observations. In this work, we analyze the prom
Externí odkaz:
http://arxiv.org/abs/2312.02259
Publikováno v:
E3S Web of Conferences, Vol 119, p 00003 (2019)
The growth of modern societies with their scientific, economic and social achievements was made possible by the cheap availability of fossil fuels. Side effects of fossil energy resources were the development of unsustainable production and consumpti
Externí odkaz:
https://doaj.org/article/91b3ba243cac49d1a8a2e9e1b5525afd
Autor:
Spinelli, Riccardo, Borsa, Francesco, Ghirlanda, Giancarlo, Ghisellini, Gabriele, Haardt, Francesco
The dozens of rocky exoplanets discovered in the Circumstellar Habitable Zone (CHZ) currently represent the most suitable places to host life as we know it outside the Solar System. However, the presumed presence of liquid water on the CHZ planets do
Externí odkaz:
http://arxiv.org/abs/2303.16229
Autor:
Ravasio, Maria Edvige, Salafia, Om Sharan, Oganesyan, Gor, Mei, Alessio, Ghirlanda, Giancarlo, Ascenzi, Stefano, Banerjee, Biswajit, Macera, Samanta, Branchesi, Marica, Jonker, Peter G., Levan, Andrew J., Malesani, Daniele B., Mulrey, Katharine B., Giuliani, Andrea, Celotti, Annalisa, Ghisellini, Gabriele
The highly variable and energetic pulsed emission of a long gamma-ray burst (GRB) is thought to originate from local, rapid dissipation of kinetic or magnetic energy within an ultra-relativistic jet launched by a newborn compact object, formed during
Externí odkaz:
http://arxiv.org/abs/2303.16223
Autor:
Katia Barbaro, Giorgio Marconi, Elisa Innocenzi, Annalisa Altigeri, Alessia Zepparoni, Valentina Monteleone, Cristian Alimonti, Daniele Marcoccia, Paola Ghisellini, Cristina Rando, Stefano Ottoboni, Julietta V. Rau, Roberto Eggenhöffner, Maria Teresa Scicluna
Publikováno v:
Frontiers in Veterinary Science, Vol 11 (2024)
IntroductionThis study examined the efficacy of a therapy based on a combination of Platelet Rich Plasma and hydroxyapatite nanoparticles in a severe clinical case involving a young Rottweiler with a complex spiral fracture of the tibia.MethodFollowi
Externí odkaz:
https://doaj.org/article/012fd4c3d3564c209c93563cc560a5c3
Autor:
Kappes, A., Burd, P. R., Kadler, M., Ghisellini, G., Bonnassieux, E., Perucho, M., Brüggen, M., Cheung, C. C., Ciardi, B., Gallo, E., Haardt, F., Morabito, L. K., Sbarrato, T., Drabent, A., Harwood, J., Jackson, N., Moldon, J.
Publikováno v:
A&A 663, A44 (2022)
Studies of the most distant AGNs allow us to test our current understanding of the physics present in radio-jetted AGNs across a range of environments. The decrease in apparent luminosity with distance is the primary difficulty to overcome in the stu
Externí odkaz:
http://arxiv.org/abs/2205.11288
Autor:
Sbarrato, Tullia, Ghisellini, Gabriele, Tagliaferri, Gianpiero, Tavecchio, Fabrizio, Ghirlanda, Giancarlo, Costamante, Luigi
Publikováno v:
A&A 663, A147 (2022)
We report on the Swift/XRT observation and classification of eleven blazar candidates at $z>4$. These sources were selected as part of a sample of extremely radio-loud quasars, in order to focus on quasars with jets oriented roughly close to our line
Externí odkaz:
http://arxiv.org/abs/2203.09527
Autor:
Prandini, Elisa, Ghisellini, Gabriele
Publikováno v:
Galaxies 2022, 10(1), 35
Introduced in 1998 to attempt a first unified view of the broad-band emission properties of blazars, the blazar sequence has been extensively used in the past 25 years to guide observations as well as physical interpretation of the overall emission f
Externí odkaz:
http://arxiv.org/abs/2202.07490