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URI: http://hdl.handle.net/2144/1177

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  • Upper limits on planet occurrence around ultracool dwarfs with K2 

    Sagear, Sheila; Skinner Manegold, Julie; Muirhead, Philip (American Astronomical Society, 2020-06-12)
    The occurrence of planets orbiting ultracool dwarfs is poorly constrained. We present results from a guest observer program on NASA's K2 spacecraft to search for transiting planets orbiting a sample of 827 ultracool dwarfs. ...
  • The Solar-wind with Hydrogen Ion Exchange and Large-scale Dynamics (SHIELD) model: a self-consistent kinetic-MHD model of the outer heliosphere 

    Michael, Adam; Opher, Merav; Toth, Gabor; Tenishev, V.; Borovikov, D. (2020-04)
    Neutral hydrogen has been shown to greatly impact the plasma flow in the heliopshere and the location of the heliospheric boundaries. We present the re- sults of the Solar-wind with Hydrogen Ion Exchange and Large-scale ...
  • Dynamic auroral storms on Saturn as observed by the Hubble Space Telescope 

    Nichols, J.D.; Badman, S.V.; Baines, K.H.; Brown, R.H.; Bunce, E.J.; Clarke, J.T.; Cowley, S.W.H.; Crary, F.J.; Dougherty, M.K.; Gerard, J.-C.; Grocott, A.; Grodent, D.; Kurth, W.S.; Melin, H.; Mitchell, D.G.; Pryor, W.R.; Stallard, T.S. (AMER GEOPHYSICAL UNION, 2014-05-28)
    We present observations of significant dynamics within two UV auroral storms observed on Saturn using the Hubble Space Telescope in April/May 2013. Specifically, we discuss bursts of auroral emission observed at the poleward ...
  • ALMA full polarization observations of PKS 1830−211 during its record-breaking flare of 2019 

    Marti-Vidal, I.; Muller, S.; Mus, A.; Marscher, Alan P.; Agudo, I.; Gomez, J.L. (EDP Sciences, 2020-06)
    We report Atacama Large Millimeter Array (ALMA) Band 6 full-polarization observations of the lensed blazar PKS 1830−211 during its record-breaking radio and gamma-ray flare in the spring of 2019. The observations were taken ...
  • Probing the innermost regions of AGN jets and their magnetic fields with RadioAstron. III. Blazar S5 0716+71 at Microarcsecond Resolution 

    Kravchenko, E.V.; Gómez, J.L.; Kovalev, Y.Y.; Lobanov, A.P.; Savolainen, T.; Bruni, G.; Fuentes, A.; Anderson, J.M.; Jorstad, S.G.; Marscher, Alan P.; Tornikoski, M.; Lähteenmäki, A.; Lisakov, M.M.
    We present RadioAstron Space VLBI imaging observations of the BL Lac object S5 0716+71 made on 2015 January 3–4 at a frequency of 22 GHz (wavelength λ = 1.3 cm). The observations were made in the framework of the AGN ...
  • The great Markarian 421 flare of 2010 February: multiwavelength variability and correlation studies 

    Abeysekara, A.U.; Benbow, W.; Bird, R.; Brill, A.; Brose, R.; Buchovecky, M.; Buckley, J.H.; Christiansen, J.L.; Chromey, A.J.; Daniel, M.K.; Dumm, J.; Falcone, A.; Feng, Q.; Finley, J.P.; Fortson, L.; Furniss, A.; Galante, N.; Gent, A.; Gillanders, G.H.; Giuri, C.; Gueta, O.; Hassan, T.; Hervet, O.; Holder, J.; Hughes, G.; Humensky, T.B.; Johnson, C.A.; Kaaret, P.; Kar, P.; Kelley-Hoskins, N.; Kertzman, M.; Kieda, D.; Krause, M.; Krennrich, F.; Kumar, S.; Lang, M.J.; Moriarty, P.; Mukherjee, R.; Nelson, T.; Nieto, D.; Nievas-Rosillo, M.; O’Brien, S.; Ong, R.A.; Otte, A.N.; Park, N.; Petrashyk, A.; Pichel, A.; Pohl, M.; Prado, R.R.; Pueschel, E.; Quinn, J.; Ragan, K.; Reynolds, P.T.; Richards, G.T.; Roache, E.; Rovero, A.C.; Rulten, C.; Sadeh, I.; Santander, M.; Sembroski, G.H.; Shahinyan, K.; Stevenson, B.; Sushch, I.; Tyler, J.; Vassiliev, V.V.; Wakely, S.P.; Weinstein, A.; Wells, R.M.; Wilcox, P.; Wilhelm, A.; Williams, D.A.; Zitzer, B.; Acciari, V.A.; Ansoldi, S.; Antonelli, L.A.; Arbet Engels, A.; Baack, D.; Babić, A.; Banerjee, B.; Barres de Almeida, U.; Barrio, J.A.; Becerra González, J; Bednarek, W.; Bellizzi, L.; Bernardini, E.; Berti, A.; Besenrieder, J.; Bhattacharyya, W.; Bigongiari, C.; Biland, A.; Blanch, O.; Bonnoli, G.; Busetto, G.; Carosi, R.; Ceribella, G.; Chai, Y.; Cikota, S.; Colak, S.M.; Colin, U.; Colombo, E.; Contreras, J.L.; Cortina, J.; Covino, S.; D’Elia, V.; Da Vela, P.; Dazzi, F.; De Angelis, A.; De Lotto, B.; Delfino, M.; Delgado, J.; Di Pierro, F.; Do Souto Espiñera, E.; Dominis Prester, D.; Dorner, D.; Doro, M.; Einecke, S.; Elsaesser, D.; Fallah Ramazani, V.; Fattorini, A.; Fernández-Barral, A.; Ferrara, G.; Fidalgo, D.; Foffano, L.; Fonseca, M.V.; Font, L.; Fruck, C.; Galindo, D.; Gallozzi, S.; García López, R.J.; Garczarczyk, M.; Gasparyan, S.; Gaug, M.; Godinović, N.; Green, D.; Guberman, D.; Hadasch, D.; Hahn, A.; Herrera, J.; Hoang, J.; Hrupec, D.; Inoue, S.; Ishio, K.; Iwamura, Y.; Kubo, H.; Kushida, J.; Lamastra, A.; Lelas, D.; Leone, F.; Lindfors, E.; Lombardi, S.; Longo, F.; López, M.; López-Coto, R.; López-Oramas, A.; Machado de Oliveira Fraga, B.; Maggio, C.; Majumdar, P.; Makariev, M.; Mallamaci, M.; Maneva, G.; Manganaro, M.; Mannheim, K.; Maraschi, L.; Mariotti, M.; Martínez, M.; Masuda, S.; Mazin, D.; Miceli, D.; Minev, M.; Miranda, J.M.; Mirzoyan, R.; Molina, E.; Moralejo, A.; Morcuende, D.; Moreno, V.; Moretti, E.; Munar-Adrover, P.; Neustroev, V.; Niedzwiecki, A.; Nievas Rosillo, M.; Nigro, C.; Nilsson, K.; Ninci, D.; Nishijima, K.; Noda, K.; Nogués, L.; Nöthe, M.; Paiano, S.; Palacio, J.; Palatiello, M.; Paneque, D.; Paoletti, R.; Paredes, J.M.; Peñil, P.; Peresano, M.; Persic, M.; Prada Moroni, P.G.; Prandini, E.; Puljak, I.; Rhode, W.; Ribó, M.; Rico, J.; Righi, C.; Rugliancich, A.; Saha, L.; Sahakyan, N.; Saito, T.; Satalecka, K.; Schweizer, T.; Sitarek, J.; Šnidarić, I.; Sobczynska, D.; Somero, A.; Stamerra, A.; Strom, D.; Strzys, M.; Sun, S.; Surić, T.; Tavecchio, F.; Temnikov, P.; Terzić, T.; Teshima, M.; Torres-Albà, N.; Tsujimoto, S.; van Scherpenberg, J.; Vanzo, G.; Vazquez Acosta, M.; Vovk, I.; Will, M.; Zarić, D.; Aller, H.D.; Aller, M.F.; Carini, M.T.; Horan, D.; Jordan, B.; Jorstad, S.G.; Kurtanidze, O.M.; Kurtanidze, S.O.; Lähteenmäki, A.; Larionov, V.M.; Larionova, E.G.; Madejski, G.; Marscher, Alan P.; Max-Moerbeck, W.; Moody, J. Ward; Morozova, D.A.; Nikolashvili, M.G.; Raiteri, C.M.; Readhead, A.C.S.; Richards, J.L.; Sadun, A.C.; Sakamoto, T.; Sigua, L.A.; Smith, P.S.; Talvikki, H.; Tammi, J.; Tornikoski, M.; Troitsky, I.S.; Villata, M.
    We report on variability and correlation studies using multiwavelength observations of the blazar Mrk 421 during the month of 2010 February, when an extraordinary flare reaching a level of ~27 Crab Units above 1 TeV was ...
  • SYMBA: an end-to-end VLBI synthetic data generation pipeline 

    Roelofs, F.; Janssen, M.; Natarajan, I.; Deane, R.; Davelaar, J.; Olivares, H.; Porth, O.; Paine, S.N.; Bouman, K.L.; Tilanus, R.P.J.; van Bemmel, I.M.; Falcke, H.; Akiyama, K.; Alberdi, A.; Alef, W.; Asada, K.; Azulay, R.; Baczko, A.; Ball, D.; Baloković, M.; Barrett, J.; Bintley, D.; Blackburn, L.; Boland, W.; Bower, G.C.; Bremer, M.; Brinkerink, C.D.; Brissenden, R.; Britzen, S.; Broderick, A.E.; Broguiere, D.; Bronzwaer, T.; Byun, D.; Carlstrom, J.E.; Chael, A.; Chan, C.; Chatterjee, S.; Chatterjee, K.; Chen, M.; Chen, Y.; Cho, I.; Christian, P.; Conway, J.E.; Cordes, J.M.; Crew, G.B.; Cui, Y.; De Laurentis, M.; Dempsey, J.; Desvignes, G.; Dexter, J.; Doeleman, S.S.; Eatough, R.P.; Fish, V.L.; Fomalont, E.; Fraga-Encinas, R.; Friberg, P.; Fromm, C.M.; Gómez, J.L.; Galison, P.; Gammie, C.F.; García, R.; Gentaz, O.; Georgiev, B.; Goddi, C.; Gold, R.; Gu, M.; Gurwell, M.; Hada, K.; Hecht, M.H.; Hesper, R.; Ho, L.C.; Ho, P.; Honma, M.; Huang, C.L.; Huang, L.; Hughes, D.H.; Ikeda, S.; Inoue, M.; Issaoun, S.; James, D.J.; Jannuzi, B.T.; Jeter, B.; Jiang, W.; Johnson, M.D.; Jorstad, S.; Jung, T.; Karami, M.; Karuppusamy, R.; Kawashima, T.; Keating, G.K.; Kettenis, M.; Kim, J.; Kim, J.; Kim, J.; Kino, M.; Koay, J.Y.; Koch, P.M.; Koyama, S.; Kramer, M.; Kramer, C.; Krichbaum, T.P.; Kuo, C.; Lauer, T.R.; Lee, S.; Li, Y.; Li, Z.; Lindqvist, M.; Lico, R.; Liu, K.; Liuzzo, E.; Lo, W.; Lobanov, A.P.; Loinard, L..; Lonsdale, C.; Lu, R.; MacDonald, N.R.; Mao, J.; Markoff, S.; Marrone, D.P.; Marscher, Alan P.; Martí-Vidal, I.; Matsushita, S.; Matthews, L.D.; Medeiros, L.; Menten, K.M.; Mizuno, Y.; Mizuno, I.; Moran, J.M.; Moriyama, K.; Moscibrodzka, M.; Müller, C.; Nagai, H.; Nagar, N.M.; Nakamura, M.; Narayan, R.; Narayanan, G.; Neri, R.; Ni, C.; Noutsos, A.; Okino, H.; Olivares, H.; Ortiz-León, G.N.; Oyama, T.; Özel, F.; Palumbo, D.C.M.; Patel, N.; Pen, U.; Pesce, D.W.; Piétu, V.; Plambeck, R.; PopStefanija, A.; Prather, B.; Preciado-López, J.A.; Psaltis, D.; Pu, H.; Ramakrishnan, V.; Rao, R.; Rawlings, M.G.; Raymond, A.W.; Rezzolla, L.; Ripperda, B.; Rogers, A.; Ros, E.; Rose, M.; Roshanineshat, A.; Rottmann, H.; Roy, A.L.; Ruszczyk, C.; Ryan, B.R.; Rygl, K.L.J.; Sánchez, S.; Sánchez-Arguelles, D.; Sasada, M.; Savolainen, T.; Schloerb, F.P.; Schuster, K.; Shao, L.; Shen, Z.; Small, D.; Won Sohn, B.; SooHoo, J.; Tazaki, F.; Tiede, P.; Titus, M.; Toma, K.; Torne, P.; Traianou, E.; Trent, T.; Trippe, S.; Tsuda, S.; van Langevelde, H.J.; van Rossum, D.R.; Wagner, J.; Wardle, J.; Weintroub, J.; Wex, N.; Wharton, R.; Wielgus, M.; Wong, G.N.; Wu, Q.; Young, A.; Young, K.; Younsi, Z.; Yuan, F.; Yuan, Y.; Zensus, J.A.; Zhao, G.; Zhao, S.; Zhu, Z. (EDP Sciences, 2020-04)
    CONTEXT: Realistic synthetic observations of theoretical source models are essential for our understanding of real observational data. In using synthetic data, one can verify the extent to which source parameters can be ...
  • Multiwavelength behaviour of the blazar 3C 279: decade-long study from γ-ray to radio 

    Larionov, V.M.; Jorstad, S.G.; Marscher, Alan P.; Villata, M.; Raiteri, C.M.; Smith, P.S.; Agudo, I.; Savchenko, S.S.; Morozova, D.A.; Acosta-Pulido, J.A.; Aller, M.F.; Aller, H.D.; Andreeva, T.S.; Arkharov, A.A.; Bachev, R.; Bonnoli, G.; Borman, G.A.; Bozhilov, V.; Calcidese, P.; Carnerero, M.I.; Carosati, D.; Casadio, C.; Chen, W.-P.; Damljanovic, G.; Dementyev, A.V.; Di Paola, A.; Frasca, A.; Fuentes, A.; Gómez, J.L.; Gónzalez-Morales, P.; Giunta, A.; Grishina, T.S.; Gurwell, M.A.; Hagen-Thorn, V.A.; Hovatta, T.; Ibryamov, S.; Joshi, M.; Kiehlmann, S.; Kim, J.-Y.; Kimeridze, G.N.; Kopatskaya, E.N.; Kovalev, Yu. A.; Kovalev, Y.Y.; Kurtanidze, O.M.; Kurtanidze, S.O.; Lähteenmäki, A.; Lázaro, C.; Larionova, L.V.; Larionova, E.G.; Leto, G.; Marchini, A.; Matsumoto, K.; Mihov, B.; Minev, M.; Mingaliev, M.G.; Mirzaqulov, D.; Muñoz Dimitrova, R.V.; Myserlis, I.; Nikiforova, A.A.; Nikolashvili, M.G.; Nizhelsky, N.A.; Ovcharov, E.; Pressburger, L.D.; Rakhimov, I.A.; Righini, S.; Rizzi, N.; Sadakane, K.; Sadun, A.C.; Samal, M.R.; Sanchez, R.Z.; Semkov, E.; Sergeev, S.G.; Sigua, L.A.; Slavcheva-Mihova, L.; Sola, P.; Sotnikova, Yu. V.; Strigachev, A.; Thum, C.; Traianou, E.; Troitskaya, Yu. V.; Troitsky, I.S.; Tsybulev, P.G.; Vasilyev, A.A.; Vince, O.; Weaver, Z.R.; Williamson, K.E.; Zhekanis, G.V. (Oxford University Press (OUP), 2020-03-01)
    We report the results of decade-long (2008–2018) γ-ray to 1 GHz radio monitoring of the blazar 3C 279, including GASP/WEBT, Fermi and Swift data, as well as polarimetric and spectroscopic data. The X-ray and γ-ray light ...
  • Investigating the multiwavelength behaviour of the flat spectrum radio quasar CTA 102 during 2013–2017 

    D’Ammando, F.; Raiteri, C.M.; Villata, M.; Acosta-Pulido, J.A.; Agudo, I.; Arkharov, A.A.; Bachev, R.; Baida, G.V.; Benítez, E.; Borman, G.A.; Boschin, W.; Bozhilov, V.; Butuzova, M.S.; Calcidese, P.; Carnerero, M.I.; Carosati, D.; Casadio, C.; Castro-Segura, N.; Chen, W.-P.; Damljanovic, G.; Di Paola, A.; Echevarría, J.; Efimova, N.V.; Ehgamberdiev, Sh. A.; Espinosa, C.; Fuentes, A.; Giunta, A.; Gómez, J.L.; Grishina, T.S.; Gurwell, M.A.; Hiriart, D.; Jermak, H.; Jordan, B.; Jorstad, S.G.; Joshi, M.; Kimeridze, G.N.; Kopatskaya, E.N.; Kuratov, K.; Kurtanidze, O.M.; Kurtanidze, S.O.; Lähteenmäki, A.; Larionov, V.M.; Larionova, E.G.; Larionova, L.V.; Lázaro, C.; Lin, C.S.; Malmrose, M.P.; Marscher, Alan P.; Matsumoto, K.; McBreen, B.; Michel, R.; Mihov, B.; Minev, M.; Mirzaqulov, D.O.; Molina, S.N.; Moody, J.W.; Morozova, D.A.; Nazarov, S.V.; Nikiforova, A.A.; Nikolashvili, M.G.; Ohlert, J.M.; Okhmat, N.; Ovcharov, E.; Pinna, F.; Polakis, T.A.; Protasio, C.; Pursimo, T.; Redondo-Lorenzo, F.J.; Rizzi, N.; Rodriguez-Coira, G.; Sadakane, K.; Sadun, A.C.; Samal, M.R.; Savchenko, S.S.; Semkov, E.; Sigua, L.; Skiff, B.A.; Slavcheva-Mihova, L.; Smith, P.S.; Steele, I.A.; Strigachev, A.; Tammi, J.; Thum, C.; Tornikoski, M.; Troitskaya, Yu. V.; Troitsky, I.S.; Vasilyev, A.A.; Vince, O.; Hovatta, T.; Kiehlmann, S.; Max-Moerbeck, W.; Readhead, A.C.S.; Reeves, R.; Pearson, T.J.; Mufakharov, T.; Sotnikova, Yu. V.; Mingaliev, M.G. (Oxford University Press (OUP), 2019-12-21)
    We present a multiwavelength study of the flat-spectrum radio quasar CTA 102 during 2013–2017. We use radio-to-optical data obtained by the Whole Earth Blazar Telescope, 15 GHz data from the Owens Valley Radio Observatory, ...
  • THEMIS: a parameter estimation framework for the Event Horizon Telescope 

    Broderick, Avery E.; Gold, Roman; Karami, Mansour; Preciado-López, Jorge A.; Tiede, Paul; Pu, Hung-Yi; Akiyama, Kazunori; Alberdi, Antxon; Alef, Walter; Asada, Keiichi; Azulay, Rebecca; Baczko, Anne-Kathrin; Baloković, Mislav; Barrett, John; Bintley, Dan; Blackburn, Lindy; Boland, Wilfred; Bouman, Katherine L.; Bower, Geoffrey C.; Bremer, Michael; Brinkerink, Christiaan D.; Brissenden, Roger; Britzen, Silke; Broguiere, Dominique; Bronzwaer, Thomas; Byun, Do-Young; Carlstrom, John E.; Chael, Andrew; Chatterjee, Shami; Chatterjee, Koushik; Chen, Ming-Tang; Chen, Yongjun; Cho, Ilje; Conway, John E.; Cordes, James M.; Crew, Geoffrey B.; Cui, Yuzhu; Davelaar, Jordy; De Laurentis, Mariafelicia; Deane, Roger; Dempsey, Jessica; Desvignes, Gregory; Doeleman, Sheperd S.; Eatough, Ralph P.; Falcke, Heino; Fish, Vincent L.; Fomalont, Ed; Fraga-Encinas, Raquel; Friberg, Per; Fromm, Christian M.; Galison, Peter; Gammie, Charles F.; García, Roberto; Gentaz, Olivier; Georgiev, Boris; Goddi, Ciriaco; Gómez, José L.; Gu, Minfeng; Gurwell, Mark; Hada, Kazuhiro; Hecht, Michael H.; Hesper, Ronald; Ho, Luis C.; Ho, Paul; Honma, Mareki; Huang, Chih-Wei L.; Huang, Lei; Hughes, David H.; Inoue, Makoto; Issaoun, Sara; James, David J.; Janssen, Michael; Jeter, Britton; Jiang, Wu; Jiménez-Rosales, Alejandra; Johnson, Michael D.; Jorstad, Svetlana; Jung, Taehyun; Karuppusamy, Ramesh; Kawashima, Tomohisa; Keating, Garrett K.; Kettenis, Mark; Kim, Jae-Young; Kim, Jongsoo; Kino, Motoki; Koay, Jun Yi; Koch, Patrick M.; Koyama, Shoko; Kramer, Michael; Kramer, Carsten; Krichbaum, Thomas P.; Kuo, Cheng-Yu; Lee, Sang-Sung; Li, Yan-Rong; Li, Zhiyuan; Lindqvist, Michael; Lico, Rocco; Liu, Kuo; Liuzzo, Elisabetta; Lo, Wen-Ping; Lobanov, Andrei P.; Loinard, Laurent; Lonsdale, Colin; Lu, Ru-Sen; MacDonald, Nicholas R.; Mao, Jirong; Marscher, Alan P.; Martí-Vidal, Iván; Matsushita, Satoki; Matthews, Lynn D.; Menten, Karl M.; Mizuno, Yosuke; Mizuno, Izumi; Moran, James M.; Moriyama, Kotaro; Moscibrodzka, Monika; Müller, Cornelia; Nagai, Hiroshi; Nagar, Neil M.; Nakamura, Masanori; Narayan, Ramesh; Narayanan, Gopal; Natarajan, Iniyan; Neri, Roberto; Ni, Chunchong; Noutsos, Aristeidis; Okino, Hiroki; Olivares, Héctor; Ortiz-León, Gisela N.; Oyama, Tomoaki; Palumbo, Daniel C.M.; Park, Jongho; Pen, Ue-Li; Pesce, Dominic W.; Piétu, Vincent; Plambeck, Richard; PopStefanija, Aleksandar; Porth, Oliver; Prather, Ben; Ramakrishnan, Venkatessh; Rao, Ramprasad; Rawlings, Mark G.; Raymond, Alexander W.; Rezzolla, Luciano; Ripperda, Bart; Roelofs, Freek; Rogers, Alan; Ros, Eduardo; Rose, Mel; Rottmann, Helge; Ruszczyk, Chet; Ryan, Benjamin R.; Rygl, Kazi L.J.; Sánchez, Salvador; Sánchez-Arguelles, David; Sasada, Mahito; Savolainen, Tuomas; Schloerb, F. Peter; Schuster, Karl-Friedrich; Shao, Lijing; Shen, Zhiqiang; Small, Des; Sohn, Bong Won; SooHoo, Jason; Tazaki, Fumie; Tilanus, Remo P.J.; Titus, Michael; Toma, Kenji; Torne, Pablo; Traianou, Efthalia; Trippe, Sascha; Tsuda, Shuichiro; van Bemmel, Ilse; van Langevelde, Huib Jan; van Rossum, Daniel R.; Wagner, Jan; Wardle, John; Weintroub, Jonathan; Wex, Norbert; Wharton, Robert; Wielgus, Maciek; Wong, George N.; Wu, Qingwen; Yoon, Doosoo; Young, André; Young, Ken; Younsi, Ziri; Yuan, Feng; Yuan, Ye-Fei; Zensus, J. Anton; Zhao, Guangyao; Zhao, Shan-Shan; Zhu, Ziyan
    The Event Horizon Telescope (EHT) provides the unprecedented ability to directly resolve the structure and dynamics of black hole emission regions on scales smaller than their horizons. This has the potential to critically ...

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