Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Porquet, Delphine"'
Autor:
Weaver, Kimberly A., Cann, Jenna M., Pfeifle, Ryan W., Sobolewska, Malgorzata, Pinto, Ciro, Azadi, Mojegan, Porquet, Delphine, Chakraborty, Priyanka, Rogantini, Daniele, Schellenberger, Gerrit, Tanner, Ryan, Mei, Simona, Bogdan, Akos, Nguyen, Dustin
This white paper discusses the breadth of science related to active galactic nuclei (AGN) and associated phenomena to be enabled by a mission with microcalorimeter energy resolution in the soft X-ray band, a large collecting area, and wide-field imag
Externí odkaz:
http://arxiv.org/abs/2406.18743
Autor:
Porquet, Delphine, Reeves, James N., Hagen, Scott, Lobban, Andrew, Braito, Valentina, Grosso, Nicolas, Marin, Frédéric
[Abridged] ESO 141-G55 is a nearby X-ray bright BLS1, which has been classified as a bare AGN due to the lack of warm absorption along its line-of-sight, providing an unhampered view into its disc-corona system. We aim to probe its disc-corona system
Externí odkaz:
http://arxiv.org/abs/2406.13623
Autor:
Porquet, Delphine, Hagen, Scott, Grosso, Nicolas, Lobban, Andrew, Reeves, James N., Braito, Valentina, Done, Chris
[Abridged] The X-ray broadband spectra of the bare AGN Mrk 110, obtained by simultaneous XMM-Newton and NuSTAR observations (Nov 2019 and April 2020), are characterised by the presence of a prominent and absorption-free smooth soft X-ray excess, mode
Externí odkaz:
http://arxiv.org/abs/2310.15002
Autor:
Haiman, Zoltán, Xin, Chengcheng, Bogdanović, Tamara, Seoane, Pau Amaro, Bonetti, Matteo, Casey-Clyde, J. Andrew, Charisi, Maria, Colpi, Monica, Davelaar, Jordy, De Rosa, Alessandra, D'Orazio, Daniel J., Futrowsky, Kate, Gandhi, Poshak, Graham, Alister W., Greene, Jenny E., Habouzit, Melanie, Haggard, Daryl, Holley-Bockelmann, Kelly, Liu, Xin, Mangiagli, Alberto, Mastrobuono-Battisti, Alessandra, McGee, Sean, Mingarelli, Chiara M. F., Nemmen, Rodrigo, Palmese, Antonella, Porquet, Delphine, Sesana, Alberto, Stemo, Aaron, Torres-Orjuela, Alejandro, Zrake, Jonathan
With its capacity to observe $\sim 10^{5-6}$ faint active galactic nuclei (AGN) out to redshift $z\approx 6$, Roman is poised to reveal a population of $10^{4-6}\, {\rm M_\odot}$ black holes during an epoch of vigorous galaxy assembly. By measuring t
Externí odkaz:
http://arxiv.org/abs/2306.14990
Autor:
Reeves, James, Braito, Valentina, Porquet, Delphine, Laurenti, Marco, Lobban, Andrew, Matzeu, Gabriele
PG 1448+273 is a luminous, nearby ($z=0.0645$), narrow line Seyfert 1 galaxy, which likely accretes close to the Eddington limit. XMM-Newton observations of PG 1448+273 in 2017 revealed the presence of an ultra fast outflow, as seen through its blues
Externí odkaz:
http://arxiv.org/abs/2306.01151
We explore the accretion geometry in Arakelian 120 using intensive UV and X-ray monitoring from \textit{Swift}. The hard X-rays ($1-10$ keV) show large amplitude, fast (few-day) variability, so we expect reverberation from the disc to produce UV vari
Externí odkaz:
http://arxiv.org/abs/2207.01065
Autor:
Seoane, Pau Amaro, Andrews, Jeff, Sedda, Manuel Arca, Askar, Abbas, Baghi, Quentin, Balasov, Razvan, Bartos, Imre, Bavera, Simone S., Bellovary, Jillian, Berry, Christopher P. L., Berti, Emanuele, Bianchi, Stefano, Blecha, Laura, Blondin, Stephane, Bogdanović, Tamara, Boissier, Samuel, Bonetti, Matteo, Bonoli, Silvia, Bortolas, Elisa, Breivik, Katelyn, Capelo, Pedro R., Caramete, Laurentiu, Cattorini, Federico, Charisi, Maria, Chaty, Sylvain, Chen, Xian, Chruślińska, Martyna, Chua, Alvin J. K., Church, Ross, Colpi, Monica, D'Orazio, Daniel, Danielski, Camilla, Davies, Melvyn B., Dayal, Pratika, De Rosa, Alessandra, Derdzinski, Andrea, Destounis, Kyriakos, Dotti, Massimo, Duţan, Ioana, Dvorkin, Irina, Fabj, Gaia, Foglizzo, Thierry, Ford, Saavik, Fouvry, Jean-Baptiste, Franchini, Alessia, Fragos, Tassos, Fryer, Chris, Gaspari, Massimo, Gerosa, Davide, Graziani, Luca, Groot, Paul, Habouzit, Melanie, Haggard, Daryl, Haiman, Zoltan, Han, Wen-Biao, Istrate, Alina, Johansson, Peter H., Khan, Fazeel Mahmood, Kimpson, Tomas, Kokkotas, Kostas, Kong, Albert, Korol, Valeriya, Kremer, Kyle, Kupfer, Thomas, Lamberts, Astrid, Larson, Shane, Lau, Mike, Liu, Dongliang, Lloyd-Ronning, Nicole, Lodato, Giuseppe, Lupi, Alessandro, Ma, Chung-Pei, Maccarone, Tomas, Mandel, Ilya, Mangiagli, Alberto, Mapelli, Michela, Mathis, Steéphane, Mayer, Lucio, McGee, Sean, McKernan, Berry, Miller, M. Coleman, Mota, David F., Mumpower, Matthew, Nasim, Syeda S, Nelemans, Gijs, Noble, Scott, Pacucci, Fabio, Panessa, Francesca, Paschalidis, Vasileio, Pfister, Hugo, Porquet, Delphine, Quenby, John, Ricarte, Angelo, Röpke, Friedrich K., Regan, John, Rosswog, Stephan, Ruiter, Ashley, Ruiz, Milton, Runnoe, Jessie, Schneider, Raffaella, Schnittman, Jeremy, Secunda, Amy, Sesana, Alberto, Seto, Naoki, Shao, Lijing, Shapiro, Stuart, Sopuerta, Carlos, Stone, Nicholas C., Suvorov, Arthur, Tamanini, Nicola, Tamfal, Tomas, Tauris, Thomas, Temmink, Karel, Tomsick, John, Toonen, Silvia, Torres-Orjuela, Alejandro, Toscani, Martina, Tsokaros, Antonios, Unal, Caner, Vázquez-Aceves, Verónica, Valiante, Rosa, van Putten, Maurice, van Roestel, Jan, Vignali, Christian, Volonteri, Marta, Wu, Kinwah, Younsi, Ziri, Yu, Shenghua, Zane, Silvia, Zwick, Lorenz, Antonini, Fabio, Baibhav, Vishal, Barausse, Enrico, Rivera, Alexander Bonilla, Branchesi, Marica, Branduardi-Raymont, Graziella, Burdge, Kevin, Chakraborty, Srija, Cuadra, Jorge, Dage, Kristen, Davis, Benjamin, de Mink, Selma E., Decarli, Roberto, Doneva, Daniela, Escoffier, Stephanie, Fragione, Giacomo, Gandhi, Poshak, Haardt, Francesco, Lousto, Carlos O., Nissanke, Samaya, Nordhaus, Jason, O'Shaughnessy, Richard, Zwart, Simon Portegies, Pound, Adam, Schussler, Fabian, Sergijenko, Olga, Spallicci, Alessandro, Vernieri, Daniele, Vigna-Gómez, Alejandro
Publikováno v:
Living Reviews in Relativity, Volume 26, Article number: 2 (2023)
The Laser Interferometer Space Antenna (LISA) will be a transformative experiment for gravitational wave astronomy, and, as such, it will offer unique opportunities to address many key astrophysical questions in a completely novel way. The synergy wi
Externí odkaz:
http://arxiv.org/abs/2203.06016
Autor:
Reeves, James, Braito, Valentina, Porquet, Delphine, Lobban, Andrew, Matzeu, Gabriele, Nardini, Emanuele
New Swift monitoring observations of the variable, radio-quiet quasar, PDS 456, are presented. A bright X-ray flare was captured in September 2018, the flux increasing by a factor of 4 and with a doubling time-scale of 2 days. From the light crossing
Externí odkaz:
http://arxiv.org/abs/2010.14295
Autor:
Betancourt-Martinez, Gabriele, Akamatsu, Hiroki, Barret, Didier, Bautista, Manuel, Bernitt, Sven, Bianchi, Stefano, Bodewits, Dennis, Brickhouse, Nancy, Brown, Gregory V., Costantini, Elisa, Coreno, Marcello, López-Urrutia, José R. Crespo, Cumbee, Renata, Eckart, Megan, Ferland, Gary, Fiore, Fabrizio, Fogle, Michael, Foster, Adam, Garcia, Javier, Gorczyca, Tom, Grinberg, Victoria, Grosso, Nicolas, Gu, Liyi, Gu, Ming Feng, Guainazzi, Matteo, Hell, Natalie, Herder, Jan-Willem den, Kaastra, Jelle, Kallman, Timothy, Lee, Julia, Leutenegger, Maurice, Marler, Joan, McCammon, Dan, Nakashima, Shinya, Nicastro, Fabrizio, Paerels, Frits, Pajot, François, Pointecouteau, Etienne, Porquet, Delphine, Porter, F. Scott, Savin, Daniel Wolf, Sawada, Makoto, Shah, Chintan, Simionescu, Aurora, de Simone, Monica, Sosolik, Chad, Stancil, Phillip, Steinbrügge, René, Yamaguchi, Hiroya
Thanks to high-resolution and non-dispersive spectrometers onboard future X-ray missions such as XRISM and Athena, we are finally poised to answer important questions about the formation and evolution of galaxies and large-scale structure. However, w
Externí odkaz:
http://arxiv.org/abs/1903.08213
Autor:
Lobban, Andrew, Porquet, Delphine, Reeves, James, Markowitz, Alex, Nardini, Emanuele, Grosso, Nicolas
We present the spectral/timing properties of the bare Seyfert galaxy Ark 120 through a deep ~420ks XMM-Newton campaign plus recent NuSTAR observations and a ~6-month Swift monitoring campaign. We investigate the spectral decomposition through fractio
Externí odkaz:
http://arxiv.org/abs/1707.05536