Zobrazeno 1 - 10
of 280
pro vyhledávání: '"Luka Č. Popović"'
Autor:
Dragana Ilić, Luka Č. Popović, Alexander Burenkov, Elena Shablovinskaya, Eugene Malygin, Roman Uklein, Alexei V. Moiseev, Dmitry Oparin, Víctor M. Patiño Álvarez, Vahram Chavushyan, Paola Marziani, Mauro D’Onofrio, Alberto Floris, Andjelka B. Kovačević, Jovana Jovičić, Djordje Miković, Nemanja Rakić, Saša Simić, Sladjana Marčeta Mandić, Stefano Ciroi, Amelia Vietri, Luca Crepaldi, Ascensión del Olmo
Publikováno v:
Physics, Vol 6, Iss 1, Pp 31-45 (2023)
Properties of the broad line region (BLR) in active galactic nuclei (AGNs) are commonly used to estimate the mass of the supermassive black hole (SMBH) that powers an AGN. However, the understanding of the physics behind the BLR remains incomplete. T
Externí odkaz:
https://doaj.org/article/4dbd3537da644f71b4f6456bd97b2b91
Publikováno v:
The Astrophysical Journal, Vol 967, Iss 1, p 30 (2024)
We test the potential of Bayesian synthesis of upcoming multi-instrument data to extract orbital parameters and individual light curves of close binary supermassive black holes (CB-SMBH) with subparsec separations. Next-generation interferometers, wi
Externí odkaz:
https://doaj.org/article/85505d1c283a485f9d376ca466c94364
Autor:
Y. Homayouni, Gerard A. Kriss, Gisella De Rosa, Rachel Plesha, Edward M. Cackett, Michael R. Goad, Kirk T. Korista, Keith Horne, Travis Fischer, Tim Waters, Aaron J. Barth, Erin A. Kara, Hermine Landt, Nahum Arav, Benjamin D. Boizelle, Misty C. Bentz, Michael S. Brotherton, Doron Chelouche, Elena Dalla Bontà, Maryam Dehghanian, Pu Du, Gary J. Ferland, Carina Fian, Jonathan Gelbord, Catherine J. Grier, Patrick B. Hall, Chen Hu, Dragana Ilić, Michael D. Joner, Jelle Kaastra, Shai Kaspi, Andjelka B. Kovačević, Daniel Kynoch, Yan-Rong Li, Missagh Mehdipour, Jake A. Miller, Jake Mitchell, John Montano, Hagai Netzer, J. M. M. Neustadt, Ethan Partington, Luka Č. Popović, Daniel Proga, Thaisa Storchi-Bergmann, David Sanmartim, Matthew R. Siebert, Tommaso Treu, Marianne Vestergaard, Jian-Min Wang, Martin J. Ward, Fatima Zaidouni, Ying Zu
Publikováno v:
The Astrophysical Journal, Vol 963, Iss 2, p 123 (2024)
An intensive reverberation mapping campaign of the Seyfert 1 galaxy Mrk 817 using the Cosmic Origins Spectrograph on the Hubble Space Telescope revealed significant variations in the response of broad UV emission lines to fluctuations in the continuu
Externí odkaz:
https://doaj.org/article/316614fb5a9e43ee843eceed4152da03
Autor:
Andjelka B. Kovačević, Dragana Ilić, Luka Č. Popović, Nikola Andrić Mitrović, Mladen Nikolić, Marina S. Pavlović, Iva Čvorović-Hajdinjak, Miljan Knežević, Djordje V. Savić
Publikováno v:
Universe, Vol 9, Iss 6, p 287 (2023)
Deep learning techniques are required for the analysis of synoptic (multi-band and multi-epoch) light curves in massive data of quasars, as expected from the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST). In this follow-up study, w
Externí odkaz:
https://doaj.org/article/1ad73b3cc01c43a880dfa3c3db8cc244
Autor:
Aleksandra Nina, Pier Francesco Biagi, Sergey Pulinets, Giovanni Nico, Srđan T. Mitrović, Vladimir M. Čadež, Milan Radovanović, Marko Urošev, Luka Č. Popović
Publikováno v:
Frontiers in Environmental Science, Vol 10 (2022)
Recent research shows reductions in the VLF signal noise amplitude that begin before particular earthquakes whose epicentres are more than 100 km away from the signal propagation path. In this paper, we extend this research to studying the noise ampl
Externí odkaz:
https://doaj.org/article/14431ae816894f7da21973a8819b29a4
Autor:
Edward M. Cackett, Jonathan Gelbord, Aaron J. Barth, Gisella De Rosa, Rick Edelson, Michael R. Goad, Yasaman Homayouni, Keith Horne, Erin A. Kara, Gerard A. Kriss, Kirk T. Korista, Hermine Landt, Rachel Plesha, Nahum Arav, Misty C. Bentz, Benjamin D. Boizelle, Elena Dalla Bontà, Maryam Dehghanian, Fergus Donnan, Pu Du, Gary J. Ferland, Carina Fian, Alexei V. Filippenko, Diego H. González Buitrago, Catherine J. Grier, Patrick B. Hall, Chen Hu, Dragana Ilić, Jelle Kaastra, Shai Kaspi, Christopher S. Kochanek, Andjelka B. Kovačević, Daniel Kynoch, Yan-Rong Li, Jacob N. McLane, Missagh Mehdipour, Jake A. Miller, John Montano, Hagai Netzer, Christos Panagiotou, Ethan Partington, Luka Č. Popović, Daniel Proga, Daniele Rogantini, David Sanmartim, Matthew R. Siebert, Thaisa Storchi-Bergmann, Marianne Vestergaard, Jian-Min Wang, Tim Waters, Fatima Zaidouni
Publikováno v:
The Astrophysical Journal, Vol 958, Iss 2, p 195 (2023)
The AGN STORM 2 campaign is a large, multiwavelength reverberation mapping project designed to trace out the structure of Mrk 817 from the inner accretion disk to the broad emission line region and out to the dusty torus. As part of this campaign, Sw
Externí odkaz:
https://doaj.org/article/8664929415484c7d97b0125ed2c3089f
Autor:
Đorđe V. Savić, Isidora Jankov, Weixiang Yu, Vincenzo Petrecca, Matthew J. Temple, Qingling Ni, Raphael Shirley, Andjelka B. Kovačević, Mladen Nikolić, Dragana Ilić, Luka Č. Popović, Maurizio Paolillo, Swayamtrupta Panda, Aleksandra Ćiprijanović, Gordon T. Richards
Publikováno v:
The Astrophysical Journal, Vol 953, Iss 2, p 138 (2023)
Development of the Rubin Observatory Legacy Survey of Space and Time (LSST) includes a series of Data Challenges (DCs) arranged by various LSST Scientific Collaborations that are taking place during the project's preoperational phase. The AGN Science
Externí odkaz:
https://doaj.org/article/379166cd6991401b939190972e73c463
Publikováno v:
The Astrophysical Journal Supplement Series, Vol 267, Iss 1, p 19 (2023)
In this study, a refined approach for multicomponent fitting of active galactic nuclei (AGNs) spectra is presented utilizing the newly developed Python code Fully Automated pythoN Tool for AGN Spectra analYsis ( fantasy ). AGN spectra are modeled by
Externí odkaz:
https://doaj.org/article/b6fae160d3b24cc2b77380d77d75ff54
Autor:
Y. Homayouni, Gisella De Rosa, Rachel Plesha, Gerard A. Kriss, Aaron J. Barth, Edward M. Cackett, Keith Horne, Erin A. Kara, Hermine Landt, Nahum Arav, Benjamin D. Boizelle, Misty C. Bentz, Thomas G. Brink, Michael S. Brotherton, Doron Chelouche, Elena Dalla Bontà, Maryam Dehghanian, Pu Du, Gary J. Ferland, Laura Ferrarese, Carina Fian, Alexei V. Filippenko, Travis Fischer, Ryan J. Foley, Jonathan Gelbord, Michael R. Goad, Diego H. González Buitrago, Varoujan Gorjian, Catherine J. Grier, Patrick B. Hall, Juan V. Hernández Santisteban, Chen Hu, Dragana Ilić, Michael D. Joner, Jelle Kaastra, Shai Kaspi, Christopher S. Kochanek, Kirk T. Korista, Andjelka B. Kovačević, Daniel Kynoch, Yan-Rong Li, Ian M. McHardy, Jacob N. McLane, Missagh Mehdipour, Jake A. Miller, Jake Mitchell, John Montano, Hagai Netzer, Christos Panagiotou, Ethan Partington, Richard W. Pogge, Luka Č. Popović, Daniel Proga, Daniele Rogantini, Thaisa Storchi-Bergmann, David Sanmartim, Matthew R. Siebert, Tommaso Treu, Marianne Vestergaard, Jian-Min Wang, Martin J. Ward, Tim Waters, Peter R. Williams, Fatima Zaidouni, Ying Zu
Publikováno v:
The Astrophysical Journal, Vol 948, Iss 2, p 85 (2023)
We present reverberation mapping measurements for the prominent ultraviolet broad emission lines of the active galactic nucleus Mrk 817 using 165 spectra obtained with the Cosmic Origins Spectrograph on the Hubble Space Telescope. Our ultraviolet obs
Externí odkaz:
https://doaj.org/article/8cc843479a1343fd9904787d8f7af75a
Autor:
Marta Fatović, Lovro Palaversa, Krešimir Tisanić, Karun Thanjavur, Željko Ivezić, Andjelka B. Kovačević, Dragana Ilić, Luka Č. Popović
Publikováno v:
The Astronomical Journal, Vol 165, Iss 4, p 138 (2023)
We report the results of a search for long-period (100 < P < 600 days) periodic variability in the SDSS Stripe 82 standards catalog. The SDSS coverage of Stripe 82 enables such a search because there are on average 20 observations per band in ugriz b
Externí odkaz:
https://doaj.org/article/9fd768f6621746e6a6088dfa2f7745ed