Standard

A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows. / Georgiev, Boris; Pesce, Dominic W.; Broderick, Avery E.; Wong, George N.; Dhruv, Vedant; Wielgus, Maciek; Gammie, Charles F.; Chan, Chi-kwan; Chatterjee, Koushik; Emami, Razieh; Mizuno, Yosuke; Gold, Roman; Fromm, Christian M.; Ricarte, Angelo; Yoon, Doosoo; Joshi, Abhishek V.; Prather, Ben; Cruz-Osorio, Alejandro; Johnson, Michael D.; Porth, Oliver; Olivares, Héctor; Younsi, Ziri; Rezzolla, Luciano; Vos, Jesse; Qiu, Richard; Nathanail, Antonios; Narayan, Ramesh; Chael, Andrew; Anantua, Richard; Moscibrodzka, Monika; Akiyama, Kazunori; Alberdi, Antxon; Alef, Walter; Algaba, Juan Carlos; Asada, Keiichi; Azulay, Rebecca; Bach, Uwe; Baczko, Anne-Kathrin; Ball, David; Baloković, Mislav; Barrett, John; Bauböck, Michi; Benson, Bradford A.; Bintley, Dan; Blackburn, Lindy; Blundell, Raymond; Bouman, Katherine L.; Bower, Geoffrey C.; Boyce, Hope; Bremer, Michael; Brinkerink, Christiaan D.; Brissenden, Roger; Britzen, Silke; Broguiere, Dominique; Bronzwaer, Thomas; Bustamante, Sandra; Byun, Do-Young; Carlstrom, John E.; Ceccobello, Chiara; Chatterjee, Shami; Chen, Ming-Tang; Chen, Yongjun; Cheng, Xiaopeng; Cho, Ilje; Christian, Pierre; Conroy, Nicholas S.; Conway, John E.; Cordes, James M.; Crawford, Thomas M.; Crew, Geoffrey B.; Cui, Yuzhu; Davelaar, Jordy; Laurentis, Mariafelicia De; Deane, Roger; Dempsey, Jessica; Desvignes, Gregory; Dexter, Jason; Doeleman, Sheperd S.; Dougal, Sean; Dzib, Sergio A.; Eatough, Ralph P.; Falcke, Heino; Farah, Joseph; Fish, Vincent L.; Fomalont, Ed; Ford, H. Alyson; Fraga-Encinas, Raquel; Freeman, William T.; Friberg, Per; Fuentes, Antonio; Galison, Peter; García, Roberto; Gentaz, Olivier; Goddi, Ciriaco; Gómez-Ruiz, Arturo I.; Gómez, José L.; Gu, Minfeng; Gurwell, Mark; Hada, Kazuhiro; Haggard, Daryl; Haworth, Kari; Hecht, Michael H.; Hesper, Ronald; Heumann, Dirk; Ho, Luis C.; Ho, Paul; Honma, Mareki; Huang, Chih-Wei L.; Huang, Lei; Hughes, David H.; Ikeda, Shiro; Impellizzeri, C. M. Violette; Inoue, Makoto; Issaoun, Sara; James, David J.; Jannuzi, Buell T.; Janssen, Michael; Jeter, Britton; Jiang, Wu; Jiménez-Rosales, Alejandra; Jorstad, Svetlana; Jung, Taehyun; Karami, Mansour; Karuppusamy, Ramesh; Kawashima, Tomohisa; Keating, Garrett K.; Kettenis, Mark; Kim, Dong-Jin; Kim, Jae-Young; Kim, Jongsoo; Kim, Junhan; Kino, Motoki; Koay, Jun Yi; Kocherlakota, Prashant; Kofuji, Yutaro; Koch, Patrick M.; Koyama, Shoko; Kramer, Carsten; Kramer, Michael; Krichbaum, Thomas P.; Kuo, Cheng-Yu; Bella, Noemi La; Lauer, Tod R.; Lee, Daeyoung; Lee, Sang-Sung; Lehner, Luis; Leung, Po Kin; Levis, Aviad; Li, Zhiyuan; Lico, Rocco; Lindahl, Greg; Lindqvist, Michael; Lisakov, Mikhail; Liu, Jun; Liu, Kuo; Liuzzo, Elisabetta; Lo, Wen-Ping; Lobanov, Andrei P.; Loinard, Laurent; Lonsdale, Colin J.; Lu, Ru-Sen; Mao, Jirong; Marchili, Nicola; Markoff, Sera; Marrone, Daniel P.; Marscher, Alan P.; Martí-Vidal, Iván; Matsushita, Satoki; Matthews, Lynn D.; Menten, Karl M.; Michalik, Daniel; Mizuno, Izumi; Moran, James M.; Moriyama, Kotaro; Müller, Cornelia; Mus, Alejandro; Musoke, Gibwa; Myserlis, Ioannis; Nadolski, Andrew; Nagai, Hiroshi; Nagar, Neil M.; Nakamura, Masanori; Narayanan, Gopal; Natarajan, Iniyan; Fuentes, Santiago Navarro; Neilsen, Joey; Neri, Roberto; Ni, Chunchong; Noutsos, Aristeidis; Nowak, Michael A.; Oh, Junghwan; Okino, Hiroki; Ortiz-León, Gisela N.; Oyama, Tomoaki; Palumbo, Daniel C. M.; Paraschos, Georgios Filippos; Park, Jongho; Parsons, Harriet; Patel, Nimesh; Pen, Ue-Li; Piétu, Vincent; Plambeck, Richard; PopStefanija, Aleksandar; Pötzl, Felix M.; Preciado-López, Jorge A.; Pu, Hung-Yi; Ramakrishnan, Venkatessh; Rao, Ramprasad; Rawlings, Mark G.; Raymond, Alexander W.; Ripperda, Bart; Roelofs, Freek; Rogers, Alan; Ros, Eduardo; Romero-Cañizales, Cristina; Roshanineshat, Arash; Rottmann, Helge; Roy, Alan L.; Ruiz, Ignacio; Ruszczyk, Chet; Rygl, Kazi L. J.; Sánchez, Salvador; Sánchez-Argüelles, David; Sánchez-Portal, Miguel; Sasada, Mahito; Satapathy, Kaushik; Savolainen, Tuomas; Schloerb, F. Peter; Schonfeld, Jonathan; Schuster, Karl-Friedrich; Shao, Lijing; Shen, Zhiqiang; Small, Des; Sohn, Bong Won; SooHoo, Jason; Souccar, Kamal; Sun, He; Tazaki, Fumie; Tetarenko, Alexandra J.; Tiede, Paul; Tilanus, Remo P. J.; Titus, Michael; Torne, Pablo; Traianou, Efthalia; Trent, Tyler; Trippe, Sascha; Turk, Matthew; Bemmel, Ilse van; van Langevelde, Huib Jan; van Rossum, Daniel R.; Wagner, Jan; Ward-Thompson, Derek; Wardle, John; Weintroub, Jonathan; Wex, Norbert; Wharton, Robert; Wiik, Kaj; Witzel, Gunther; Wondrak, Michael F.; Wu, Qingwen; Yamaguchi, Paul; Young, André; Young, Ken; Yuan, Feng; Yuan, Ye-Fei; Zensus, J. Anton; Zhang, Shuo; Zhao, Guang-Yao; Zhao, Shan-Shan.

в: Astrophysical Journal Letters, Том 930, № 2, 2022, стр. L20.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

Harvard

Georgiev, B, Pesce, DW, Broderick, AE, Wong, GN, Dhruv, V, Wielgus, M, Gammie, CF, Chan, C, Chatterjee, K, Emami, R, Mizuno, Y, Gold, R, Fromm, CM, Ricarte, A, Yoon, D, Joshi, AV, Prather, B, Cruz-Osorio, A, Johnson, MD, Porth, O, Olivares, H, Younsi, Z, Rezzolla, L, Vos, J, Qiu, R, Nathanail, A, Narayan, R, Chael, A, Anantua, R, Moscibrodzka, M, Akiyama, K, Alberdi, A, Alef, W, Algaba, JC, Asada, K, Azulay, R, Bach, U, Baczko, A-K, Ball, D, Baloković, M, Barrett, J, Bauböck, M, Benson, BA, Bintley, D, Blackburn, L, Blundell, R, Bouman, KL, Bower, GC, Boyce, H, Bremer, M, Brinkerink, CD, Brissenden, R, Britzen, S, Broguiere, D, Bronzwaer, T, Bustamante, S, Byun, D-Y, Carlstrom, JE, Ceccobello, C, Chatterjee, S, Chen, M-T, Chen, Y, Cheng, X, Cho, I, Christian, P, Conroy, NS, Conway, JE, Cordes, JM, Crawford, TM, Crew, GB, Cui, Y, Davelaar, J, Laurentis, MD, Deane, R, Dempsey, J, Desvignes, G, Dexter, J, Doeleman, SS, Dougal, S, Dzib, SA, Eatough, RP, Falcke, H, Farah, J, Fish, VL, Fomalont, E, Ford, HA, Fraga-Encinas, R, Freeman, WT, Friberg, P, Fuentes, A, Galison, P, García, R, Gentaz, O, Goddi, C, Gómez-Ruiz, AI, Gómez, JL, Gu, M, Gurwell, M, Hada, K, Haggard, D, Haworth, K, Hecht, MH, Hesper, R, Heumann, D, Ho, LC, Ho, P, Honma, M, Huang, C-WL, Huang, L, Hughes, DH, Ikeda, S, Impellizzeri, CMV, Inoue, M, Issaoun, S, James, DJ, Jannuzi, BT, Janssen, M, Jeter, B, Jiang, W, Jiménez-Rosales, A, Jorstad, S, Jung, T, Karami, M, Karuppusamy, R, Kawashima, T, Keating, GK, Kettenis, M, Kim, D-J, Kim, J-Y, Kim, J, Kim, J, Kino, M, Koay, JY, Kocherlakota, P, Kofuji, Y, Koch, PM, Koyama, S, Kramer, C, Kramer, M, Krichbaum, TP, Kuo, C-Y, Bella, NL, Lauer, TR, Lee, D, Lee, S-S, Lehner, L, Leung, PK, Levis, A, Li, Z, Lico, R, Lindahl, G, Lindqvist, M, Lisakov, M, Liu, J, Liu, K, Liuzzo, E, Lo, W-P, Lobanov, AP, Loinard, L, Lonsdale, CJ, Lu, R-S, Mao, J, Marchili, N, Markoff, S, Marrone, DP, Marscher, AP, Martí-Vidal, I, Matsushita, S, Matthews, LD, Menten, KM, Michalik, D, Mizuno, I, Moran, JM, Moriyama, K, Müller, C, Mus, A, Musoke, G, Myserlis, I, Nadolski, A, Nagai, H, Nagar, NM, Nakamura, M, Narayanan, G, Natarajan, I, Fuentes, SN, Neilsen, J, Neri, R, Ni, C, Noutsos, A, Nowak, MA, Oh, J, Okino, H, Ortiz-León, GN, Oyama, T, Palumbo, DCM, Paraschos, GF, Park, J, Parsons, H, Patel, N, Pen, U-L, Piétu, V, Plambeck, R, PopStefanija, A, Pötzl, FM, Preciado-López, JA, Pu, H-Y, Ramakrishnan, V, Rao, R, Rawlings, MG, Raymond, AW, Ripperda, B, Roelofs, F, Rogers, A, Ros, E, Romero-Cañizales, C, Roshanineshat, A, Rottmann, H, Roy, AL, Ruiz, I, Ruszczyk, C, Rygl, KLJ, Sánchez, S, Sánchez-Argüelles, D, Sánchez-Portal, M, Sasada, M, Satapathy, K, Savolainen, T, Schloerb, FP, Schonfeld, J, Schuster, K-F, Shao, L, Shen, Z, Small, D, Sohn, BW, SooHoo, J, Souccar, K, Sun, H, Tazaki, F, Tetarenko, AJ, Tiede, P, Tilanus, RPJ, Titus, M, Torne, P, Traianou, E, Trent, T, Trippe, S, Turk, M, Bemmel, IV, van Langevelde, HJ, van Rossum, DR, Wagner, J, Ward-Thompson, D, Wardle, J, Weintroub, J, Wex, N, Wharton, R, Wiik, K, Witzel, G, Wondrak, MF, Wu, Q, Yamaguchi, P, Young, A, Young, K, Yuan, F, Yuan, Y-F, Zensus, JA, Zhang, S, Zhao, G-Y & Zhao, S-S 2022, 'A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows', Astrophysical Journal Letters, Том. 930, № 2, стр. L20. https://doi.org/10.3847/2041-8213/ac65eb

APA

Georgiev, B., Pesce, D. W., Broderick, A. E., Wong, G. N., Dhruv, V., Wielgus, M., Gammie, C. F., Chan, C., Chatterjee, K., Emami, R., Mizuno, Y., Gold, R., Fromm, C. M., Ricarte, A., Yoon, D., Joshi, A. V., Prather, B., Cruz-Osorio, A., Johnson, M. D., ... Zhao, S-S. (2022). A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows. Astrophysical Journal Letters, 930(2), L20. https://doi.org/10.3847/2041-8213/ac65eb

Vancouver

Georgiev B, Pesce DW, Broderick AE, Wong GN, Dhruv V, Wielgus M и пр. A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows. Astrophysical Journal Letters. 2022;930(2):L20. https://doi.org/10.3847/2041-8213/ac65eb

Author

Georgiev, Boris ; Pesce, Dominic W. ; Broderick, Avery E. ; Wong, George N. ; Dhruv, Vedant ; Wielgus, Maciek ; Gammie, Charles F. ; Chan, Chi-kwan ; Chatterjee, Koushik ; Emami, Razieh ; Mizuno, Yosuke ; Gold, Roman ; Fromm, Christian M. ; Ricarte, Angelo ; Yoon, Doosoo ; Joshi, Abhishek V. ; Prather, Ben ; Cruz-Osorio, Alejandro ; Johnson, Michael D. ; Porth, Oliver ; Olivares, Héctor ; Younsi, Ziri ; Rezzolla, Luciano ; Vos, Jesse ; Qiu, Richard ; Nathanail, Antonios ; Narayan, Ramesh ; Chael, Andrew ; Anantua, Richard ; Moscibrodzka, Monika ; Akiyama, Kazunori ; Alberdi, Antxon ; Alef, Walter ; Algaba, Juan Carlos ; Asada, Keiichi ; Azulay, Rebecca ; Bach, Uwe ; Baczko, Anne-Kathrin ; Ball, David ; Baloković, Mislav ; Barrett, John ; Bauböck, Michi ; Benson, Bradford A. ; Bintley, Dan ; Blackburn, Lindy ; Blundell, Raymond ; Bouman, Katherine L. ; Bower, Geoffrey C. ; Boyce, Hope ; Bremer, Michael ; Brinkerink, Christiaan D. ; Brissenden, Roger ; Britzen, Silke ; Broguiere, Dominique ; Bronzwaer, Thomas ; Bustamante, Sandra ; Byun, Do-Young ; Carlstrom, John E. ; Ceccobello, Chiara ; Chatterjee, Shami ; Chen, Ming-Tang ; Chen, Yongjun ; Cheng, Xiaopeng ; Cho, Ilje ; Christian, Pierre ; Conroy, Nicholas S. ; Conway, John E. ; Cordes, James M. ; Crawford, Thomas M. ; Crew, Geoffrey B. ; Cui, Yuzhu ; Davelaar, Jordy ; Laurentis, Mariafelicia De ; Deane, Roger ; Dempsey, Jessica ; Desvignes, Gregory ; Dexter, Jason ; Doeleman, Sheperd S. ; Dougal, Sean ; Dzib, Sergio A. ; Eatough, Ralph P. ; Falcke, Heino ; Farah, Joseph ; Fish, Vincent L. ; Fomalont, Ed ; Ford, H. Alyson ; Fraga-Encinas, Raquel ; Freeman, William T. ; Friberg, Per ; Fuentes, Antonio ; Galison, Peter ; García, Roberto ; Gentaz, Olivier ; Goddi, Ciriaco ; Gómez-Ruiz, Arturo I. ; Gómez, José L. ; Gu, Minfeng ; Gurwell, Mark ; Hada, Kazuhiro ; Haggard, Daryl ; Haworth, Kari ; Hecht, Michael H. ; Hesper, Ronald ; Heumann, Dirk ; Ho, Luis C. ; Ho, Paul ; Honma, Mareki ; Huang, Chih-Wei L. ; Huang, Lei ; Hughes, David H. ; Ikeda, Shiro ; Impellizzeri, C. M. Violette ; Inoue, Makoto ; Issaoun, Sara ; James, David J. ; Jannuzi, Buell T. ; Janssen, Michael ; Jeter, Britton ; Jiang, Wu ; Jiménez-Rosales, Alejandra ; Jorstad, Svetlana ; Jung, Taehyun ; Karami, Mansour ; Karuppusamy, Ramesh ; Kawashima, Tomohisa ; Keating, Garrett K. ; Kettenis, Mark ; Kim, Dong-Jin ; Kim, Jae-Young ; Kim, Jongsoo ; Kim, Junhan ; Kino, Motoki ; Koay, Jun Yi ; Kocherlakota, Prashant ; Kofuji, Yutaro ; Koch, Patrick M. ; Koyama, Shoko ; Kramer, Carsten ; Kramer, Michael ; Krichbaum, Thomas P. ; Kuo, Cheng-Yu ; Bella, Noemi La ; Lauer, Tod R. ; Lee, Daeyoung ; Lee, Sang-Sung ; Lehner, Luis ; Leung, Po Kin ; Levis, Aviad ; Li, Zhiyuan ; Lico, Rocco ; Lindahl, Greg ; Lindqvist, Michael ; Lisakov, Mikhail ; Liu, Jun ; Liu, Kuo ; Liuzzo, Elisabetta ; Lo, Wen-Ping ; Lobanov, Andrei P. ; Loinard, Laurent ; Lonsdale, Colin J. ; Lu, Ru-Sen ; Mao, Jirong ; Marchili, Nicola ; Markoff, Sera ; Marrone, Daniel P. ; Marscher, Alan P. ; Martí-Vidal, Iván ; Matsushita, Satoki ; Matthews, Lynn D. ; Menten, Karl M. ; Michalik, Daniel ; Mizuno, Izumi ; Moran, James M. ; Moriyama, Kotaro ; Müller, Cornelia ; Mus, Alejandro ; Musoke, Gibwa ; Myserlis, Ioannis ; Nadolski, Andrew ; Nagai, Hiroshi ; Nagar, Neil M. ; Nakamura, Masanori ; Narayanan, Gopal ; Natarajan, Iniyan ; Fuentes, Santiago Navarro ; Neilsen, Joey ; Neri, Roberto ; Ni, Chunchong ; Noutsos, Aristeidis ; Nowak, Michael A. ; Oh, Junghwan ; Okino, Hiroki ; Ortiz-León, Gisela N. ; Oyama, Tomoaki ; Palumbo, Daniel C. M. ; Paraschos, Georgios Filippos ; Park, Jongho ; Parsons, Harriet ; Patel, Nimesh ; Pen, Ue-Li ; Piétu, Vincent ; Plambeck, Richard ; PopStefanija, Aleksandar ; Pötzl, Felix M. ; Preciado-López, Jorge A. ; Pu, Hung-Yi ; Ramakrishnan, Venkatessh ; Rao, Ramprasad ; Rawlings, Mark G. ; Raymond, Alexander W. ; Ripperda, Bart ; Roelofs, Freek ; Rogers, Alan ; Ros, Eduardo ; Romero-Cañizales, Cristina ; Roshanineshat, Arash ; Rottmann, Helge ; Roy, Alan L. ; Ruiz, Ignacio ; Ruszczyk, Chet ; Rygl, Kazi L. J. ; Sánchez, Salvador ; Sánchez-Argüelles, David ; Sánchez-Portal, Miguel ; Sasada, Mahito ; Satapathy, Kaushik ; Savolainen, Tuomas ; Schloerb, F. Peter ; Schonfeld, Jonathan ; Schuster, Karl-Friedrich ; Shao, Lijing ; Shen, Zhiqiang ; Small, Des ; Sohn, Bong Won ; SooHoo, Jason ; Souccar, Kamal ; Sun, He ; Tazaki, Fumie ; Tetarenko, Alexandra J. ; Tiede, Paul ; Tilanus, Remo P. J. ; Titus, Michael ; Torne, Pablo ; Traianou, Efthalia ; Trent, Tyler ; Trippe, Sascha ; Turk, Matthew ; Bemmel, Ilse van ; van Langevelde, Huib Jan ; van Rossum, Daniel R. ; Wagner, Jan ; Ward-Thompson, Derek ; Wardle, John ; Weintroub, Jonathan ; Wex, Norbert ; Wharton, Robert ; Wiik, Kaj ; Witzel, Gunther ; Wondrak, Michael F. ; Wu, Qingwen ; Yamaguchi, Paul ; Young, André ; Young, Ken ; Yuan, Feng ; Yuan, Ye-Fei ; Zensus, J. Anton ; Zhang, Shuo ; Zhao, Guang-Yao ; Zhao, Shan-Shan. / A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows. в: Astrophysical Journal Letters. 2022 ; Том 930, № 2. стр. L20.

BibTeX

@article{ac423808a0c8479f8020aa6b74a7f29c,
title = "A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows",
abstract = "We present a framework for characterizing the spatiotemporal power spectrum of the variability expected from the horizon-scale emission structure around supermassive black holes, and we apply this framework to a library of general relativistic magnetohydrodynamic (GRMHD) simulations and associated general relativistic ray-traced images relevant for Event Horizon Telescope (EHT) observations of Sgr A*. We find that the variability power spectrum is generically a red-noise process in both the temporal and spatial dimensions, with the peak in power occurring on the longest timescales and largest spatial scales. When both the time-averaged source structure and the spatially integrated light-curve variability are removed, the residual power spectrum exhibits a universal broken power-law behavior. On small spatial frequencies, the residual power spectrum rises as the square of the spatial frequency and is proportional to the variance in the centroid of emission. Beyond some peak in variability power, the residual power spectrum falls as that of the time-averaged source structure, which is similar across simulations; this behavior can be naturally explained if the variability arises from a multiplicative random field that has a steeper high-frequency power-law index than that of the time-averaged source structure. We briefly explore the ability of power spectral variability studies to constrain physical parameters relevant for the GRMHD simulations, which can be scaled to provide predictions for black holes in a range of systems in the optically thin regime. We present specific expectations for the behavior of the M87* and Sgr A* accretion flows as observed by the EHT.",
author = "Boris Georgiev and Pesce, {Dominic W.} and Broderick, {Avery E.} and Wong, {George N.} and Vedant Dhruv and Maciek Wielgus and Gammie, {Charles F.} and Chi-kwan Chan and Koushik Chatterjee and Razieh Emami and Yosuke Mizuno and Roman Gold and Fromm, {Christian M.} and Angelo Ricarte and Doosoo Yoon and Joshi, {Abhishek V.} and Ben Prather and Alejandro Cruz-Osorio and Johnson, {Michael D.} and Oliver Porth and H{\'e}ctor Olivares and Ziri Younsi and Luciano Rezzolla and Jesse Vos and Richard Qiu and Antonios Nathanail and Ramesh Narayan and Andrew Chael and Richard Anantua and Monika Moscibrodzka and Kazunori Akiyama and Antxon Alberdi and Walter Alef and Algaba, {Juan Carlos} and Keiichi Asada and Rebecca Azulay and Uwe Bach and Anne-Kathrin Baczko and David Ball and Mislav Balokovi{\'c} and John Barrett and Michi Baub{\"o}ck and Benson, {Bradford A.} and Dan Bintley and Lindy Blackburn and Raymond Blundell and Bouman, {Katherine L.} and Bower, {Geoffrey C.} and Hope Boyce and Michael Bremer and Brinkerink, {Christiaan D.} and Roger Brissenden and Silke Britzen and Dominique Broguiere and Thomas Bronzwaer and Sandra Bustamante and Do-Young Byun and Carlstrom, {John E.} and Chiara Ceccobello and Shami Chatterjee and Ming-Tang Chen and Yongjun Chen and Xiaopeng Cheng and Ilje Cho and Pierre Christian and Conroy, {Nicholas S.} and Conway, {John E.} and Cordes, {James M.} and Crawford, {Thomas M.} and Crew, {Geoffrey B.} and Yuzhu Cui and Jordy Davelaar and Laurentis, {Mariafelicia De} and Roger Deane and Jessica Dempsey and Gregory Desvignes and Jason Dexter and Doeleman, {Sheperd S.} and Sean Dougal and Dzib, {Sergio A.} and Eatough, {Ralph P.} and Heino Falcke and Joseph Farah and Fish, {Vincent L.} and Ed Fomalont and Ford, {H. Alyson} and Raquel Fraga-Encinas and Freeman, {William T.} and Per Friberg and Antonio Fuentes and Peter Galison and Roberto Garc{\'i}a and Olivier Gentaz and Ciriaco Goddi and G{\'o}mez-Ruiz, {Arturo I.} and G{\'o}mez, {Jos{\'e} L.} and Minfeng Gu and Mark Gurwell and Kazuhiro Hada and Daryl Haggard and Kari Haworth and Hecht, {Michael H.} and Ronald Hesper and Dirk Heumann and Ho, {Luis C.} and Paul Ho and Mareki Honma and Huang, {Chih-Wei L.} and Lei Huang and Hughes, {David H.} and Shiro Ikeda and Impellizzeri, {C. M. Violette} and Makoto Inoue and Sara Issaoun and James, {David J.} and Jannuzi, {Buell T.} and Michael Janssen and Britton Jeter and Wu Jiang and Alejandra Jim{\'e}nez-Rosales and Svetlana Jorstad and Taehyun Jung and Mansour Karami and Ramesh Karuppusamy and Tomohisa Kawashima and Keating, {Garrett K.} and Mark Kettenis and Dong-Jin Kim and Jae-Young Kim and Jongsoo Kim and Junhan Kim and Motoki Kino and Koay, {Jun Yi} and Prashant Kocherlakota and Yutaro Kofuji and Koch, {Patrick M.} and Shoko Koyama and Carsten Kramer and Michael Kramer and Krichbaum, {Thomas P.} and Cheng-Yu Kuo and Bella, {Noemi La} and Lauer, {Tod R.} and Daeyoung Lee and Sang-Sung Lee and Luis Lehner and Leung, {Po Kin} and Aviad Levis and Zhiyuan Li and Rocco Lico and Greg Lindahl and Michael Lindqvist and Mikhail Lisakov and Jun Liu and Kuo Liu and Elisabetta Liuzzo and Wen-Ping Lo and Lobanov, {Andrei P.} and Laurent Loinard and Lonsdale, {Colin J.} and Ru-Sen Lu and Jirong Mao and Nicola Marchili and Sera Markoff and Marrone, {Daniel P.} and Marscher, {Alan P.} and Iv{\'a}n Mart{\'i}-Vidal and Satoki Matsushita and Matthews, {Lynn D.} and Menten, {Karl M.} and Daniel Michalik and Izumi Mizuno and Moran, {James M.} and Kotaro Moriyama and Cornelia M{\"u}ller and Alejandro Mus and Gibwa Musoke and Ioannis Myserlis and Andrew Nadolski and Hiroshi Nagai and Nagar, {Neil M.} and Masanori Nakamura and Gopal Narayanan and Iniyan Natarajan and Fuentes, {Santiago Navarro} and Joey Neilsen and Roberto Neri and Chunchong Ni and Aristeidis Noutsos and Nowak, {Michael A.} and Junghwan Oh and Hiroki Okino and Ortiz-Le{\'o}n, {Gisela N.} and Tomoaki Oyama and Palumbo, {Daniel C. M.} and Paraschos, {Georgios Filippos} and Jongho Park and Harriet Parsons and Nimesh Patel and Ue-Li Pen and Vincent Pi{\'e}tu and Richard Plambeck and Aleksandar PopStefanija and P{\"o}tzl, {Felix M.} and Preciado-L{\'o}pez, {Jorge A.} and Hung-Yi Pu and Venkatessh Ramakrishnan and Ramprasad Rao and Rawlings, {Mark G.} and Raymond, {Alexander W.} and Bart Ripperda and Freek Roelofs and Alan Rogers and Eduardo Ros and Cristina Romero-Ca{\~n}izales and Arash Roshanineshat and Helge Rottmann and Roy, {Alan L.} and Ignacio Ruiz and Chet Ruszczyk and Rygl, {Kazi L. J.} and Salvador S{\'a}nchez and David S{\'a}nchez-Arg{\"u}elles and Miguel S{\'a}nchez-Portal and Mahito Sasada and Kaushik Satapathy and Tuomas Savolainen and Schloerb, {F. Peter} and Jonathan Schonfeld and Karl-Friedrich Schuster and Lijing Shao and Zhiqiang Shen and Des Small and Sohn, {Bong Won} and Jason SooHoo and Kamal Souccar and He Sun and Fumie Tazaki and Tetarenko, {Alexandra J.} and Paul Tiede and Tilanus, {Remo P. J.} and Michael Titus and Pablo Torne and Efthalia Traianou and Tyler Trent and Sascha Trippe and Matthew Turk and Bemmel, {Ilse van} and {van Langevelde}, {Huib Jan} and {van Rossum}, {Daniel R.} and Jan Wagner and Derek Ward-Thompson and John Wardle and Jonathan Weintroub and Norbert Wex and Robert Wharton and Kaj Wiik and Gunther Witzel and Wondrak, {Michael F.} and Qingwen Wu and Paul Yamaguchi and Andr{\'e} Young and Ken Young and Feng Yuan and Ye-Fei Yuan and Zensus, {J. Anton} and Shuo Zhang and Guang-Yao Zhao and Shan-Shan Zhao",
year = "2022",
doi = "10.3847/2041-8213/ac65eb",
language = "English",
volume = "930",
pages = "L20",
journal = "Astrophysical Journal Letters",
issn = "2041-8205",
publisher = "IOP Publishing Ltd.",
number = "2",

}

RIS

TY - JOUR

T1 - A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows

AU - Georgiev, Boris

AU - Pesce, Dominic W.

AU - Broderick, Avery E.

AU - Wong, George N.

AU - Dhruv, Vedant

AU - Wielgus, Maciek

AU - Gammie, Charles F.

AU - Chan, Chi-kwan

AU - Chatterjee, Koushik

AU - Emami, Razieh

AU - Mizuno, Yosuke

AU - Gold, Roman

AU - Fromm, Christian M.

AU - Ricarte, Angelo

AU - Yoon, Doosoo

AU - Joshi, Abhishek V.

AU - Prather, Ben

AU - Cruz-Osorio, Alejandro

AU - Johnson, Michael D.

AU - Porth, Oliver

AU - Olivares, Héctor

AU - Younsi, Ziri

AU - Rezzolla, Luciano

AU - Vos, Jesse

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PY - 2022

Y1 - 2022

N2 - We present a framework for characterizing the spatiotemporal power spectrum of the variability expected from the horizon-scale emission structure around supermassive black holes, and we apply this framework to a library of general relativistic magnetohydrodynamic (GRMHD) simulations and associated general relativistic ray-traced images relevant for Event Horizon Telescope (EHT) observations of Sgr A*. We find that the variability power spectrum is generically a red-noise process in both the temporal and spatial dimensions, with the peak in power occurring on the longest timescales and largest spatial scales. When both the time-averaged source structure and the spatially integrated light-curve variability are removed, the residual power spectrum exhibits a universal broken power-law behavior. On small spatial frequencies, the residual power spectrum rises as the square of the spatial frequency and is proportional to the variance in the centroid of emission. Beyond some peak in variability power, the residual power spectrum falls as that of the time-averaged source structure, which is similar across simulations; this behavior can be naturally explained if the variability arises from a multiplicative random field that has a steeper high-frequency power-law index than that of the time-averaged source structure. We briefly explore the ability of power spectral variability studies to constrain physical parameters relevant for the GRMHD simulations, which can be scaled to provide predictions for black holes in a range of systems in the optically thin regime. We present specific expectations for the behavior of the M87* and Sgr A* accretion flows as observed by the EHT.

AB - We present a framework for characterizing the spatiotemporal power spectrum of the variability expected from the horizon-scale emission structure around supermassive black holes, and we apply this framework to a library of general relativistic magnetohydrodynamic (GRMHD) simulations and associated general relativistic ray-traced images relevant for Event Horizon Telescope (EHT) observations of Sgr A*. We find that the variability power spectrum is generically a red-noise process in both the temporal and spatial dimensions, with the peak in power occurring on the longest timescales and largest spatial scales. When both the time-averaged source structure and the spatially integrated light-curve variability are removed, the residual power spectrum exhibits a universal broken power-law behavior. On small spatial frequencies, the residual power spectrum rises as the square of the spatial frequency and is proportional to the variance in the centroid of emission. Beyond some peak in variability power, the residual power spectrum falls as that of the time-averaged source structure, which is similar across simulations; this behavior can be naturally explained if the variability arises from a multiplicative random field that has a steeper high-frequency power-law index than that of the time-averaged source structure. We briefly explore the ability of power spectral variability studies to constrain physical parameters relevant for the GRMHD simulations, which can be scaled to provide predictions for black holes in a range of systems in the optically thin regime. We present specific expectations for the behavior of the M87* and Sgr A* accretion flows as observed by the EHT.

U2 - 10.3847/2041-8213/ac65eb

DO - 10.3847/2041-8213/ac65eb

M3 - Article

VL - 930

SP - L20

JO - Astrophysical Journal Letters

JF - Astrophysical Journal Letters

SN - 2041-8205

IS - 2

ER -

ID: 104698009