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  Gravitational test beyond the first post-Newtonian order with the shadow of the M87 black hole

Psaltis, D., Medeiros, L., Christian, P., Özel, F., Akiyama, K., Alberdi, –. A., et al. (2020). Gravitational test beyond the first post-Newtonian order with the shadow of the M87 black hole. Physical Review Letters, 125(14): 141104. doi:10.1103/PhysRevLett.125.141104.

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Psaltis, Dimitrios, Author
Medeiros, Lia, Author
Christian, Pierre, Author
Özel, Feryal, Author
Akiyama, Kazunori, Author
Alberdi, – Antxon, Author
Alef, Walter, Author
Asada, Keiichi, Author
Azulay, Rebecca, Author
Ball, David, Author
Baloković, Mislav, Author
Barrett, John, Author
Bintley, Dan, Author
Blackburn, Lindy, Author
Boland, Wilfred, Author
Bower, Geoffrey C., Author
Bremer, Michael, Author
Brinkerink, Christiaan D., Author
Brissenden, Roger, Author
Britzen, Silke, Author
Broguiere, Dominique, AuthorBronzwaer, Thomas, AuthorByun, Do-Young, AuthorCarlstrom, John E., AuthorChael, – Andrew, AuthorChan, Chi-kwan, AuthorChatterjee, Shami, AuthorChatterjee, Koushik, AuthorChen, Ming-Tang, AuthorChen, Yongjun, AuthorCho, Ilje, AuthorConway, John E., AuthorCordes, James M., AuthorCrew, Geoffrey B., AuthorCui, Yuzhu, AuthorDavelaar, Jordy, AuthorLaurentis, Mariafelicia De, AuthorDeane, – Roger, AuthorDempsey, Jessica, AuthorDesvignes, Gregory, AuthorDexter, Jason, AuthorEatough, Ralph P., AuthorFalcke, Heino, AuthorFish, Vincent L., AuthorFomalont, Ed, AuthorFraga-Encinas, Raquel, AuthorFriberg, Per, AuthorFromm, Christian M., AuthorGammie, Charles F., AuthorGarcía, Roberto, AuthorGentaz, Olivier, AuthorGoddi, Ciriaco, AuthorGómez, José L., AuthorGu, Minfeng, AuthorGurwell, Mark, AuthorHada, Kazuhiro, AuthorHesper, Ronald, AuthorHo, Luis C., AuthorHo, Paul, AuthorHonma, Mareki, AuthorHuang, Chih-Wei L., AuthorHuang, Lei, AuthorHughes, David H., AuthorInoue, Makoto, AuthorIssaoun, Sara, AuthorJames, David J., AuthorJannuzi, Buell T., AuthorJanssen, Michael, AuthorJiang, Wu, AuthorJimenez Rosales, Alejandra1, Author              Johnson, Michael D., AuthorJorstad, Svetlana, AuthorJung, Taehyun, AuthorKarami, Mansour, AuthorKaruppusamy, Ramesh, AuthorKawashima, Tomohisa, AuthorKeating, Garrett K., AuthorKettenis, Mark, AuthorKim, Jae-Young, AuthorKim, Junhan, AuthorKim, Jongsoo, AuthorKino, Motoki, AuthorKoay, Jun Yi, AuthorKoch, Patrick M., AuthorKoyama, Shoko, AuthorKramer, Michael, AuthorKramer, Carsten, AuthorKrichbaum, Thomas P., AuthorKuo, Cheng-Yu, AuthorLauer, Tod R., AuthorLee, Sang-Sung, AuthorLi, Yan-Rong, AuthorLi, Zhiyuan, AuthorLindqvist, Michael, AuthorLico, Rocco, AuthorLiu, Jun, AuthorLiu, Kuo, AuthorLiuzzo, Elisabetta, AuthorLo, Wen-Ping, AuthorLobanov, Andrei P., AuthorLonsdale, Colin, AuthorLu, Ru-Sen, AuthorMao, Jirong, Author–, AuthorMarkoff, Sera, AuthorMarrone, Daniel P., AuthorMarscher, Alan P., AuthorMartí-Vidal, Iván, AuthorMatsushita, Satoki, AuthorMizuno, Yosuke, AuthorMizuno, Izumi, AuthorMoran, James M., AuthorMoriyama, Kotaro, AuthorMoscibrodzka, Monika, AuthorMüller, Cornelia, AuthorMusoke, Gibwa, AuthorMejías, Alejandro Mus, AuthorNagai, Hiroshi, AuthorNagar, Neil M., AuthorNarayan, Ramesh, AuthorNarayanan, Gopal, AuthorNatarajan, Iniyan, AuthorNeri, Roberto, AuthorNoutsos, Aristeidis, AuthorOkino, Hiroki, AuthorOlivares, H´ector, AuthorOyama, Tomoaki, AuthorPalumbo, Daniel C. M., AuthorPark, Jongho, AuthorPatel, Nimesh, AuthorPen, Ue-Li, AuthorPiétu, Vincent, AuthorPlambeck, Richard, AuthorPopStefanija, Aleksandar, AuthorPrather, Ben, AuthorPreciado-López, Jorge A., AuthorRamakrishnan, Venkatessh, AuthorRao, Ramprasad, AuthorRawlings, Mark G., AuthorRaymond, Alexander W., AuthorRipperda, Bart, AuthorRoelofs, Freek, AuthorRogers, Alan, AuthorRos, Eduardo, AuthorRose, Mel, AuthorRoshanineshat, Arash, AuthorRottmann, Helge, AuthorRoy, Alan L., AuthorRuszczyk, Chet, AuthorRyan, Benjamin R., AuthorRygl, Kazi L. J., AuthorSánchez, Salvador, AuthorSánchez-Arguelles, David, AuthorSasada, Mahito, AuthorSavolainen, Tuomas, AuthorSchloerb, F. Peter, AuthorSchuster, Karl-Friedrich, AuthorShao, Lijing, AuthorShen, Zhiqiang, AuthorSmall, Des, AuthorSohn, Bong Won, AuthorSooHoo, Jason, AuthorTazaki, Fumie, AuthorTilanus, Remo P. J., AuthorTitus, Michael, AuthorTorne, Pablo, AuthorTrent, Tyler, AuthorTraianou, Efthalia, AuthorTrippe, Sascha, Authorvan Bemmel, Ilse, Authorvan Langevelde, Huib Jan, Authorvan Rossum, Daniel R., AuthorWagner, Jan, AuthorWardle, John, AuthorWard-Thompson, Derek, AuthorWeintroub, Jonathan, AuthorWex, Norbert, AuthorWharton, Robert, AuthorMaciekWielgus, AuthorN.Wong, George, AuthorQingwenWu, AuthorYoon, Doosoo, AuthorYoung, Andr´e, AuthorYoung, Ken, AuthorYounsi, Ziri, AuthorYuan, Feng, AuthorYuan, Ye-Fei, AuthorZhao, Shan-Shan, Author more..
1Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society, ou_159889              


Free keywords: -
 Abstract: The 2017 Event Horizon Telescope (EHT) observations of the central source in M87 have led to the first measurement of the size of a black-hole shadow. This observation offers a new and clean gravitational test of the black-hole metric in the strong-field regime. We show analytically that spacetimes that deviate from the Kerr metric but satisfy weak-field tests can lead to large deviations in the predicted black-hole shadows that are inconsistent with even the current EHT measurements. We use numerical calculations of regular, parametric, non-Kerr metrics to identify the common characteristic among these different parametrizations that control the predicted shadow size. We show that the shadow-size measurements place significant constraints on deviation parameters that control the second post-Newtonian and higher orders of each metric and are, therefore, inaccessible to weak-field tests. The new constraints are complementary to those imposed by observations of gravitational waves from stellar-mass sources.


Language(s): eng - English
 Dates: 2020-10-01
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1103/PhysRevLett.125.141104
 Degree: -



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Source 1

Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 125 (14) Sequence Number: 141104 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1