Zobrazeno 1 - 10
of 131
pro vyhledávání: '"Johan Comparat"'
Autor:
Andrés Almeida, Scott F. Anderson, Maria Argudo-Fernández, Carles Badenes, Kat Barger, Jorge K. Barrera-Ballesteros, Chad F. Bender, Erika Benitez, Felipe Besser, Jonathan C. Bird, Dmitry Bizyaev, Michael R. Blanton, John Bochanski, Jo Bovy, William Nielsen Brandt, Joel R. Brownstein, Johannes Buchner, Esra Bulbul, Joseph N. Burchett, Mariana Cano Díaz, Joleen K. Carlberg, Andrew R. Casey, Vedant Chandra, Brian Cherinka, Cristina Chiappini, Abigail A. Coker, Johan Comparat, Charlie Conroy, Gabriella Contardo, Arlin Cortes, Kevin Covey, Jeffrey D. Crane, Katia Cunha, Collin Dabbieri, James W. Davidson Jr, Megan C. Davis, Anna Barbara de Andrade Queiroz, Nathan De Lee, José Eduardo Méndez Delgado, Sebastian Demasi, Francesco Di Mille, John Donor, Peter Dow, Tom Dwelly, Mike Eracleous, Jamey Eriksen, Xiaohui Fan, Emily Farr, Sara Frederick, Logan Fries, Peter Frinchaboy, Boris T. Gänsicke, Junqiang Ge, Consuelo González Ávila, Katie Grabowski, Catherine Grier, Guillaume Guiglion, Pramod Gupta, Patrick Hall, Keith Hawkins, Christian R. Hayes, J. J. Hermes, Lorena Hernández-García, David W. Hogg, Jon A. Holtzman, Hector Javier Ibarra-Medel, Alexander Ji, Paula Jofre, Jennifer A. Johnson, Amy M. Jones, Karen Kinemuchi, Matthias Kluge, Anton Koekemoer, Juna A. Kollmeier, Marina Kounkel, Dhanesh Krishnarao, Mirko Krumpe, Ivan Lacerna, Paulo Jakson Assuncao Lago, Chervin Laporte, Chao Liu, Ang Liu, Xin Liu, Alexandre Roman Lopes, Matin Macktoobian, Steven R. Majewski, Viktor Malanushenko, Dan Maoz, Thomas Masseron, Karen L. Masters, Gal Matijevic, Aidan McBride, Ilija Medan, Andrea Merloni, Sean Morrison, Natalie Myers, Szabolcs Mészáros, C. Alenka Negrete, David L. Nidever, Christian Nitschelm, Daniel Oravetz, Audrey Oravetz, Kaike Pan, Yingjie Peng, Marc H. Pinsonneault, Rick Pogge, Dan Qiu, Solange V. Ramirez, Hans-Walter Rix, Daniela Fernández Rosso, Jessie Runnoe, Mara Salvato, Sebastian F. Sanchez, Felipe A. Santana, Andrew Saydjari, Conor Sayres, Kevin C. Schlaufman, Donald P. Schneider, Axel Schwope, Javier Serna, Yue Shen, Jennifer Sobeck, Ying-Yi Song, Diogo Souto, Taylor Spoo, Keivan G. Stassun, Matthias Steinmetz, Ilya Straumit, Guy Stringfellow, José Sánchez-Gallego, Manuchehr Taghizadeh-Popp, Jamie Tayar, Ani Thakar, Patricia B. Tissera, Andrew Tkachenko, Hector Hernandez Toledo, Benny Trakhtenbrot, José G. Fernández-Trincado, Nicholas Troup, Jonathan R. Trump, Sarah Tuttle, Natalie Ulloa, Jose Antonio Vazquez-Mata, Pablo Vera Alfaro, Sandro Villanova, Stefanie Wachter, Anne-Marie Weijmans, Adam Wheeler, John Wilson, Leigh Wojno, Julien Wolf, Xiang-Xiang Xue, Jason E. Ybarra, Eleonora Zari, Gail Zasowski
Publikováno v:
The Astrophysical Journal Supplement Series, Vol 267, Iss 2, p 44 (2023)
The eighteenth data release (DR18) of the Sloan Digital Sky Survey (SDSS) is the first one for SDSS-V, the fifth generation of the survey. SDSS-V comprises three primary scientific programs or “Mappers”: the Milky Way Mapper (MWM), the Black Hole
Externí odkaz:
https://doaj.org/article/c316293bd0cb4069bc0c64377b2d0cef
Autor:
Mirko Krumpe, Takamitsu Miyaji, Antonis Georgakakis, Andreas Schulze, Alison L. Coil, Tom Dwelly, Damien Coffey, Johan Comparat, Héctor Aceves, Mara Salvato, Andrea Merloni, Claudia Maraston, Kirpal Nandra, Joel R. Brownstein, Donald P. Schneider, SDSS-IV Team and SPIDERS Team
Publikováno v:
The Astrophysical Journal, Vol 952, Iss 2, p 109 (2023)
This is the fifth paper in a series of investigations of the clustering properties of luminous, broad-emission-line active galactic nuclei (AGNs) identified in the ROSAT All-Sky Survey (RASS) and Sloan Digital Sky Survey (SDSS). In this work we measu
Externí odkaz:
https://doaj.org/article/33577812202a4a6fbf90ee0e46c99c17
Autor:
Johan Comparat, Dominique Eckert, Alexis Finoguenov, Robert Schmidt, Jeremy Sanders, Daisuke Nagai, Erwin T. Lau, Florian Kaefer, Florian Pacaud, Nicolas Clerc, Thomas H. Reiprich, Esra Bulbul, Jacob Ider Chitham, Chia-Hsun Chuang, Vittorio Ghirardini, Violeta Gonzalez-Perez, Ghassem Gozaliazl, Charles C. Kirkpatrick, Anatoly Klypin, Andrea Merloni, Kirpal Nandra, Teng Liu, Francisco Prada, Miriam E. Ramos-Ceja, Mara Salvato, Riccardo Seppi, Elmo Tempel, Gustavo Yepes
Publikováno v:
The Open Journal of Astrophysics, Vol 3 (2020)
The eROSITA X-ray telescope on board the Spectrum-Roentgen-Gamma (SRG) mission will measure the position and properties of about 100,000 clusters of galaxies and 3 million active galactic nuclei over the full sky. To study the statistical properties
Externí odkaz:
https://doaj.org/article/e09c7b27a395409382932756f571aba8
Autor:
Johan Comparat, Peter Predehl
Publikováno v:
Physik in unserer Zeit. 53:64-71
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::195c8fed258f3a53b837b02171e08752
https://doi.org/10.1002/piuz.202101628
https://doi.org/10.1002/piuz.202101628
Autor:
Roelof de Jong, Olga Bellido-Tirado, Joar . Brynnel, Aida Ezzati Amini, Steffen Frey, Christine Füßlein, Miklos Gäbler, Domenico Giannone, Diana Johl, Silke Kuba, Ulrike Lemke, Genoveva Micheva, Allar Saviauk, Matthias Steinmetz, Jakob C. Walcher, Roland Winkler, Karin Lind, Jonathan Loveday, Sofia Feltzing, Richard McMahon, Vincenzo Mainieri, Jean-François Pirard, Thomas Bensby, Maria Bergemann, Cristina Chiappini, Norbert Christlieb, Maria-Rosa Cioni, Johan Comparat, Simon Driver, Isobel Hook, Mike Irwin, Jean-Paul Kneib, Jochen Liske, Andrea Merloni, Ivan Minchev, Johan Richard, Else Starkenburg, Mark Sullivan, Clare Worley, Wolfgang Gaessler, Florance Laurent, Johan Pragt, Alban Remillieux, Florian Rothmaier, Scott Smedley, Ingo Stilz, Nicholas Walton, David M. Alexander, Ross Church, Scott Croom, Luke J. Davies, Caroline Heneka, Nikolay Kacharov, Jörg Knoche, Georges Kordopatis, Mirko Krumpe, Sarah Martell, Peder Norberg, Ingrid Pelisoli, Sanjib Sharma, Jesper Storm, Elmo Tempel
Publikováno v:
Ground-based and Airborne Instrumentation for Astronomy IX.
4MOST is a new high-multiplex, wide-field spectroscopic survey facility under construction for ESO's 4m-VISTA telescope at Paranal, Chile. Its key specifications are: a large field of view of 4.4 square degrees, a high multiplex fibre positioner base
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df202403be9e044d2b4c4947f2a98912
https://doi.org/10.1117/12.2628965
https://doi.org/10.1117/12.2628965
Autor:
Axel Schwope, Johan Comparat, Zaven Arzoumanian, David A. H. Buckley, Mara Salvato, Mirko Krumpe, Georg Lamer, Mariusz Gromadzki, Gabriele Ponti, Ron Remillard, C. B. Markwardt, J. Wolf, Erin Kara, Keith C. Gendreau, Dheeraj R. Pasham, R. Arcodia, Miriam E. Ramos-Ceja, Andrea Merloni, A. Malyali, Kirpal Nandra, Arne Rau, Johannes Buchner, M. Schramm, David Bogensberger
Publikováno v:
Nature
Quasi-periodic eruptions (QPEs) are very-high-amplitude bursts of X-ray radiation recurring every few hours and originating near the central supermassive black holes of galactic nuclei1,2. It is currently unknown what triggers these events, how long
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e9eedd7716cbc8a115fbe30ca3d7872
http://europepmc.org/articles/PMC8081662
http://europepmc.org/articles/PMC8081662
Autor:
Dusán Tubín-Arenas, Georg Lamer, Mirko Krumpe, Tanya Urrutia, Axel Schwope, Roisín Brogan, Johan Comparat, Mara Salvato, Esra Bulbul, Christian Garrel, Malte Schramm, Teng Liu
Publikováno v:
Astronomy & Astrophysics. 672:L9
We report the discovery and spectroscopic identification of the bright doubly lensed quasar eRASS1 J050129.5−073309 at redshift z = 2.47, selected from the first all-sky survey of the Spectrum Roentgen Gamma (SRG) eROSITA telescope and the Gaia EDR
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86070e5c10900546acad75cc07684baa
https://doi.org/10.1051/0004-6361/202346316
https://doi.org/10.1051/0004-6361/202346316
Autor:
Justus Neumann, Daniel Thomas, Claudia Maraston, Lewis Hill, Lorenza Nanni, Oliver Wenman, Jianhui Lian, Johan Comparat, Violeta Gonzalez-Perez, Kyle B Westfall, Renbin Yan, Yanping Chen, Guy S Stringfellow, Matthew A Bershady, Joel R Brownstein, Niv Drory, Donald P Schneider
Publikováno v:
Monthly Notices of the Royal Astronomical Society.
We present the MaNGA FIREFLY Value-Added-Catalogue (VAC) - a catalogue of ~3.7 million spatially resolved stellar population properties across 10,010 nearby galaxies from the final data release of the MaNGA survey. The full spectral fitting code fire
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2b96c52150f42bff38d13a39321fcd8
https://doi.org/10.1093/mnras/stac1260
https://doi.org/10.1093/mnras/stac1260
We select 1076 galaxies with extinction-corrected Halpha equivalent widths too large to be explained with a Kroupa (2001) IMF, and compare these with a control sample of galaxies that is matched in stellar mass, redshift and 4000 AA break strength, b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6beafc283e2b94d0f32b111ed0b77b8b
http://arxiv.org/abs/2204.03986
http://arxiv.org/abs/2204.03986
Autor:
Kyle S. Dawson, Sicheng Lin, Michael R. Blanton, Will J. Percival, Johan Comparat, Jeremy L. Tinker, Graziano Rossi, Francisco Prada, Anand Raichoor, Hélion du Mas des Bourboux, Anatoly Klypin, Cheng Zhao, Alex Smith, Arnaud de Mattia
Publikováno v:
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2020, 498 (4), pp.5251-5262. ⟨10.1093/mnras/staa2571⟩
Digital.CSIC. Repositorio Institucional del CSIC
instname
Mon.Not.Roy.Astron.Soc.
Mon.Not.Roy.Astron.Soc., 2020, 498 (4), pp.5251-5262. ⟨10.1093/mnras/staa2571⟩
Monthly Notices of the Royal Astronomical Society, 2020, 498 (4), pp.5251-5262. ⟨10.1093/mnras/staa2571⟩
Digital.CSIC. Repositorio Institucional del CSIC
instname
Mon.Not.Roy.Astron.Soc.
Mon.Not.Roy.Astron.Soc., 2020, 498 (4), pp.5251-5262. ⟨10.1093/mnras/staa2571⟩
We present 2000 mock galaxy catalogues for the analysis of baryon acoustic oscillations (BAOs) in the Emission Line Galaxy (ELG) sample of the extended Baryon Oscillation Spectroscopic Survey Data Release 16 (eBOSS DR16). Each mock catalogue has a nu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54a06ec7ed89cfe60338a1158351b4dd
https://doi.org/10.1093/mnras/staa2571
https://doi.org/10.1093/mnras/staa2571