The vanishing of the primary emission region in PKS 1510-089

In 2021 July, PKS 1510−089 exhibited a significant flux drop in the high-energy γ-ray (by a factor 10) and optical (by a factor 5) bands and remained in this low state throughout 2022. Similarly, the optical polarization in the source vanished, resulting in the optical spectrum being fully explained...

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Main Authors:	Aharonian, Felix A. (Author) , Ait Benkhali, Faical (Author) , Aschersleben, J. (Author) , Ashkar, H. (Author) , Backes, M. (Author) , Martins, V. Barbosa (Author) , Barnard, J. (Author) , Batzofin, R. (Author) , Becherini, Y. (Author) , Berge, D. (Author) , Bernlöhr, Konrad (Author) , Bi, B. (Author) , Lavergne, M. de Bony de (Author) , Böttcher, M. (Author) , Boisson, C. (Author) , Bolmont, J. (Author) , Borowska, J. (Author) , Bouyahiaoui, M. (Author) , Bradascio, F. (Author) , Breuhaus, Mischa (Author) , Brose, R. (Author) , Brown, A. M. (Author) , Brun, F. (Author) , Bruno, B. (Author) , Bulik, T. (Author) , Burger-Scheidlin, C. (Author) , Caroff, S. (Author) , Casanova, S. (Author) , Cecil, R. (Author) , Celic, J. (Author) , Cerruti, M. (Author) , Chand, T. (Author) , Chandra, S. (Author) , Chen, A. (Author) , Chibueze, J. (Author) , Chibueze, O. (Author) , Cotter, G. (Author) , Mbarubucyeye, J. Damascene (Author) , Davids, I. D. (Author) , Djannati-Ataï, A. (Author) , Dmytriiev, A. (Author) , Doroshenko, V. (Author) , Egberts, K. (Author) , Einecke, S. (Author) , Ernenwein, J.-P. (Author) , Fegan, S. (Author) , Fontaine, G. (Author) , Füßling, M. (Author) , Funk, S. (Author) , Gabici, S. (Author) , Ghafourizadeh, Zahra (Author) , Giavitto, G. (Author) , Glawion, D. (Author) , Glicenstein, J. F. (Author) , Goswami, P. (Author) , Grolleron, G. (Author) , Haerer, L. (Author) , Hofmann, W. (Author) , Holch, T. L. (Author) , Holler, M. (Author) , Horns, D. (Author) , Jamrozy, M. (Author) , Jankowsky, Felix (Author) , Joshi, V. (Author) , Jung-Richardt, I. (Author) , Kasai, E. (Author) , Katarzyński, K. (Author) , Khatoon, R. (Author) , Khélifi, B. (Author) , Kluźniak, W. (Author) , Komin, Nu (Author) , Kosack, K. (Author) , Kostunin, D. (Author) , Lang, R. G. (Author) , Stum, S. Le (Author) , Leitl, F. (Author) , Lemière, A. (Author) , Lenain, J.-P. (Author) , Leuschner, F. (Author) , Luashvili, A. (Author) , Mackey, J. (Author) , Marandon, V. (Author) , Marchegiani, P. (Author) , Martí-Devesa, G. (Author) , Marx, Ramin (Author) , Mehta, A. (Author) , Meyer, M. (Author) , Mitchell, A. (Author) , Moderski, R. (Author) , Mohrmann, L. (Author) , Montanari, Alessandro (Author) , Moulin, E. (Author) , Naurois, M. de (Author) , Niemiec, J. (Author) , Noel, A. Priyana (Author) , O’Brien, P. (Author) , Ohm, S. (Author) , Olivera-Nieto, Laura (Author) , Wilhelmi, E. de Ona (Author) , Ostrowski, M. (Author) , Panny, S. (Author) , Panter, M. (Author) , Peron, G. (Author) , Prokhorov, D. A. (Author) , Pühlhofer, G. (Author) , Punch, M. (Author) , Quirrenbach, Andreas (Author) , Reichherzer, P. (Author) , Reimer, A. (Author) , Reimer, O. (Author) , Ren, H. (Author) , Rieger, Frank M. (Author) , Rowell, G. (Author) , Rudak, B. (Author) , Ricarte, H. Rueda (Author) , Ruiz Velasco, Edna Loredana (Author) , Sahakian, V. (Author) , Salzmann, H. (Author) , Sanchez, D. A. (Author) , Santangelo, A. (Author) , Sasaki, M. (Author) , Schüssler, F. (Author) , Schutte, H. M. (Author) , Schwanke, U. (Author) , Shapopi, J. N. S. (Author) , Sol, H. (Author) , Specovius, A. (Author) , Spencer, S. (Author) , Stawarz, Ł (Author) , Steenkamp, R. (Author) , Steinmaßl, Simon (Author) , Steppa, C. (Author) , Sushch, I. (Author) , Suzuki, H. (Author) , Takahashi, T. (Author) , Tanaka, T. (Author) , Terrier, R. (Author) , Tsuji, N. (Author) , Eldik, C. van (Author) , Soelen, B. van (Author) , Vecchi, M. (Author) , Veh, J. (Author) , Vink, J. (Author) , Wach, T. (Author) , Wagner, Stefan (Author) , Wierzcholska, A. (Author) , Zacharias, Michael (Author) , Zargaryan, D. (Author) , Zdziarski, A. A. (Author) , Zech, A. (Author) , Zouari, S. (Author) , Żywucka, N. (Author) , Buckley, D. A. H. (Author) , Cooper, J. (Author) , Groenewald, D. (Author) , Collaboration, H. E. S. S. (Author)
Format:	Article (Journal)
Language:	English
Published:	2023 August 1
In:	The astrophysical journal. Part 2, Letters Year: 2023, Volume: 952, Issue: 2, Pages: 1-15
ISSN:	2041-8213
DOI:	10.3847/2041-8213/ace3c0
Online Access:	Verlag, lizenzpflichtig, Volltext: https://doi.org/10.3847/2041-8213/ace3c0 Verlag, lizenzpflichtig, Volltext: https://dx.doi.org/10.3847/2041-8213/ace3c0
Author Notes:	F. Aharonian, F. Ait Benkhali, J. Aschersleben, H. Ashkar, M. Backes, V. Barbosa Martins, J. Barnard, R. Batzofin, Y. Becherini, D. Berge, K. Bernlöhr, B. Bi, M. de Bony de Lavergne, M. Böttcher, C. Boisson, J. Bolmont, J. Borowska, M. Bouyahiaoui, F. Bradascio, M. Breuhaus, R. Brose, A.M. Brown, F. Brun, B. Bruno, T. Bulik, C. Burger-Scheidlin, S. Caroff, S. Casanova, R. Cecil, J. Celic, M. Cerruti, T. Chand, S. Chandra, A. Chen, J. Chibueze, O. Chibueze, G. Cotter, J. Damascene Mbarubucyeye, I.D. Davids, A. Djannati-Ataï, A. Dmytriiev, V. Doroshenko, K. Egberts, S. Einecke, J.-P. Ernenwein, S. Fegan, G. Fontaine, M. Füßling, S. Funk, S. Gabici, S. Ghafourizadeh, G. Giavitto, D. Glawion, J.F. Glicenstein, P. Goswami, G. Grolleron, L. Haerer, W. Hofmann, T.L. Holch, M. Holler, D. Horns, M. Jamrozy, F. Jankowsky, V. Joshi, I. Jung-Richardt, E. Kasai, K. Katarzyński, R. Khatoon, B. Khélifi, W. Kluźniak, Nu Komin, K. Kosack, D. Kostunin, R.G. Lang, S. Le Stum, F. Leitl, A. Lemière, J.-P. Lenain, F. Leuschner, A. Luashvili, J. Mackey, V. Marandon, P. Marchegiani, G. Martí-Devesa, R. Marx, A. Mehta, M. Meyer, A. Mitchell, R. Moderski, L. Mohrmann, A. Montanari, E. Moulin, M. de Naurois, J. Niemiec, A. Priyana Noel, P. O’Brien, S. Ohm, L. Olivera-Nieto, E. de Ona Wilhelmi, M. Ostrowski, S. Panny, M. Panter, G. Peron, D.A. Prokhorov, G. Pühlhofer, M. Punch, A. Quirrenbach, P. Reichherzer, A. Reimer, O. Reimer, H. Ren, F. Rieger, G. Rowell, B. Rudak, H. Rueda Ricarte, E. Ruiz-Velasco, V. Sahakian, H. Salzmann, D.A. Sanchez, A. Santangelo, M. Sasaki, F. Schüssler, H.M. Schutte, U. Schwanke, J.N.S. Shapopi, H. Sol, A. Specovius, S. Spencer, Ł Stawarz, R. Steenkamp, S. Steinmassl, C. Steppa, I. Sushch, H. Suzuki, T. Takahashi, T. Tanaka, R. Terrier, N. Tsuji, C. van Eldik, B. van Soelen, M. Vecchi, J. Veh, J. Vink, T. Wach, S.J. Wagner, A. Wierzcholska, M. Zacharias, D. Zargaryan, A.A. Zdziarski, A. Zech, S. Zouari, N. Żywucka, D.A.H. Buckley, J. Cooper, D. Groenewald and H.E.S.S. Collaboration