Vilppu Piirola
 


piirola@utu.fi

Väisäläntie 20

Kaarina


ORCID identifier: https://orcid.org/0000-0003-0186-206X

Publications
  
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  • IXPE observation of the low-synchrotron peaked blazar S4 0954+65 during an optical-X-ray flare  (2025)  
    • Astronomy and Astrophysics
     Kouch, P.M.; Liodakis, I.; Fenu, F.; Zhang, H.; Boula, S.; Middei, R.; Di Gesu, L.; Paraschos, G.F.; Agudo, I.; Jorstad, S.G.; Lindfors, E.; Marscher, A.P.; Krawczynski, H.; Negro, M.; Hu, K.; Kim, D.E.; Cavazzuti, E.; Errando, M.; Blinov, D.; Gourni, A.; Kiehlmann, S.; Kourtidis, A.; Mandarakas, N.; Triantafyllou, N.; Vervelaki, A.; Borman, G.A.; Kopatskaya, E.N.; Larionova, E.G.; Morozova, D.A.; Savchenko, S.S.; Vasilyev, A.A.; Troitskiy, I.S.; Grishina, T.S.; Shishkina, E.V.; Zhovtan, A.V.; Aceituno, F.J.; Bonnoli, G.; Casanova, V.; Escudero, J.; Agís-González, B.; Husillos, C.; Otero-Santos, J.; Piirola, V.; Sota, A.; Myserlis, I.; Gurwell, M.; Keating, G.K.; Rao, R.; Angelakis, E.; Kraus, A.; Antonelli, L.A.; Bachetti, M.; Baldini, L.; Baumgartner, W.H.; Bellazzini, R.; Bianchi, S.; Bongiorno, S.D.; Bonino, R.; Brez, A.; Bucciantini, N.; Capitanio, F.; Castellano, S.; Chen, C.T.; Ciprini, S.; Costa, E.; De Rosa, A.; Del Monte, E.; Di Lalla, N.; Di Marco, A.; Donnarumma, I.; Doroshenko, V.; Dovčiak, M.; Ehlert, S.R.; Enoto, T.; Evangelista, Y.; Fabiani, S.; Ferrazzoli, R.; Garcia, J.A.; Gunji, S.; Hayashida, K.; Heyl, J.; Iwakiri, W.; Kaaret, P.; Karas, V.; Kislat, F.; Kitaguchi, T.; Kolodziejczak, J.J.; La Monaca, F.; Latronico, L.; Maldera, S.; Manfreda, A.; Marin, F.; Marinucci, A.; Marshall, H.L.; Massaro, F.; Matt, G.; Mitsuishi, I.; Mizuno, T.; Muleri, F.; Ng, C.Y.; O'Dell, S.L.; Omodei, N.; Oppedisano, C.; Papitto, A.; Pavlov, G.G.; Peirson, A.L.; Perri, M.; Pesce-Rollins, M.; Petrucci, P.O.; Pilia, M.; Possenti, A.; Poutanen, J.; Puccetti, S.; Ramsey, B.D.; Rankin, J.; Ratheesh, A.; Roberts, O.J.; Sgrò, C.; Slane, P.; Soffitta, P.; Spandre, G.; Swartz, D.A.; Tamagawa, T.; Tavecchio, F.; Taverna, R.; Tawara, Y.; Tennant, A.F.; Thomas, N.E.; Tombesi, F.; Trois, A.; Tsygankov, S.S.; Turolla, R.; Romani, R.W.; Vink, J.; Weisskopf, M.C.; Wu, K.; Xie, F.; Zane, S.
    (    A1 Refereed original research article in a scientific journal)


  • Optical and near-infrared polarization of the black hole X-ray binary A0620-00 in quiescence  (2025)  
    • Astronomy and Astrophysics
     Kravtsov, Vadim; Veledina, Alexandra; Berdyugin, Andrei V.; Poutanen, Juri; Tsygankov, Sergey S.; Shahbaz, Tariq; Torres, Manuel A. P.; Jermak, Helen E.; Mccall, Callum; Steele, Iain A.; Kajava, Jari J. E.; Piirola, Vilppu; Sakanoi, Takeshi; Kagitani, Masato; Berdyugina, Svetlana V.
    (    A1 Refereed original research article in a scientific journal)


  • Polarimetric diversity in tidal disruption events: Comparative study of low-polarised sources with AT2020mot  (2025)  
    • Astronomy and Astrophysics
     Floris, Alberto; Liodakis, Ioannis; Koljonen, Karri I. I.; Lindfors, Elina; Agis-Gonzalez, Beatriz; Paggi, Alessandro; Blinov, Dmitry; Nilsson, Kari; Agudo, Iván; Charalampopoulos, Panagiotis; Diaz Teodori, María Alejandra; Escudero Pedrosa, Juan; Otero-Santos, Jorge; Piirola, Vilppu; Newsome, Megan; Van Velzen, Sjoert
    (    A1 Refereed original research article in a scientific journal)


  • Characterization of High-polarization Stars and Blazars with DIPOL-1 at Sierra Nevada Observatory  (2024)  
    • The Astronomical Journal
     Otero-Santos, J.; Piirola, V.; Escudero Pedrosa, J.; Agudo, I.; Morcuende, D.; Sota, A.; Casanova, V.,; Aceituno, F. J.; Santos-Sanz, P.
    (    A1 Refereed original research article in a scientific journal)


  • IOP4, the Interactive Optical Photo-Polarimetric Python Pipeline  (2024)  
    • The Astronomical Journal
     Pedrosa, Juan Escudero; Agudo, Ivan; Morcuende, Daniel; Otero-Santos, Jorge; Bonnoli, Giacomo; Piirola, Vilppu; Husillos, Cesar; Bernardos, Mabel; Lopez-Coto, Ruben; Sota, Alfredo; Casanova, Victor; Aceituno, Fran J.; Santos-Sanz, Pablo
    (    A1 Refereed original research article in a scientific journal)


  • Searching for magnetic fields in featureless white dwarfs with the DIPOL-UF polarimeter at the Nordic Optical Telescope  (2024)  
    • Astronomy and Astrophysics
     Berdyugin, A.; Landstreet, J. D.; Bagnulo, S.; Piirola, V.; Berdyugina, S. V.
    (    A1 Refereed original research article in a scientific journal)


  • Studying geometry of the ultraluminous X-ray pulsar Swift J0243.6+6124 using X-ray and optical polarimetry  (2024)  
    • Astronomy and Astrophysics
     Poutanen, Juri; Tsygankov, Sergey S.; Doroshenko, Victor; Forsblom, Sofia V.; Jenke, Peter; Kaaret, Philip; Berdyugin, Andrei V.; Blinov, Dmitry; Kravtsov, Vadim; Liodakis, Ioannis; Tzouvanou, Anastasia; Di Marco, Alessandro; Heyl, Jeremy; La Monaca, Fabio; Mushtukov, Alexander A.; Pavlov, George G.; Salganik, Alexander; Veledina, Alexandra; Weisskopf, Martin C.; Zane, Silvia; Loktev, Vladislav; Suleimanov, Valery F.; Wilson-Hodge, Colleen; Berdyugina, Svetlana V.; Kagitani, Masato; Piirola, Vilppu; Sakanoi, Takeshi; Agudo, Iván; Antonelli, Lucio A.; Bachetti, Matteo; Baldini, Luca; Baumgartner, Wayne H.; Bellazzini, Ronaldo; Bianchi, Stefano; Bongiorno, Stephen D.; Bonino, Raffaella; Brez, Alessandro; Bucciantini, Niccolò; Capitanio, Fiamma; Castellano, Simone; Cavazzuti, Elisabetta; Chen, Chien-Ting; Ciprini, Stefano; Costa, Enrico; De Rosa, Alessandra; Del Monte, Ettore; Di Gesu, Laura; Di Lalla, Niccolò; Donnarumma, Immacolata; Dovčiak, Michal; Ehlert, Steven R.; Enoto, Teruaki; Evangelista, Yuri; Fabiani, Sergio; Ferrazzoli, Riccardo; Garcia, Javier A.; Gunji, Shuichi; Hayashida, Kiyoshi; Iwakiri, Wataru; Jorstad, Svetlana G.; Karas, Vladimir; Kislat, Fabian; Kitaguchi, Takao; Kolodziejczak, Jeffery J.; Latronico, Luca; Maldera, Simone; Manfreda, Alberto; Marin, Frédéric; Marinucci, Andrea; Marscher, Alan P.; Marshall, Herman L.; Massaro, Francesco; Matt, Giorgio; Mitsuishi, Ikuyuki; Mizuno, Tsunefumi; Muleri, Fabio; Negro, Michela; Ng, Chi-Yung; O'Dell, Stephen L.; Omodei, Nicola; Oppedisano, Chiara; Papitto, Alessandro; Peirson, Abel L.; Perri, Matteo; Pesce-Rollins, Melissa; Petrucci, Pierre-Olivier; Pilia, Maura; Possenti, Andrea; Puccetti, Simonetta; Ramsey, Brian D.; Rankin, John; Ratheesh, Ajay; Roberts, Oliver J.; Romani, Roger W.; Sgrò, Carmelo; Slane, Patrick; Soffitta, Paolo; Spandre, Gloria; Swartz, Douglas A.; Tamagawa, Toru; Tavecchio, Fabrizio; Taverna, Roberto; Tawara, Yuzuru; Tennant, Allyn F.; Thomas, Nicholas E.; Tombesi, Francesco; Trois, Alessio; Turolla, Roberto; Vink, Jacco; Wu, Kinwah; Xie, Fei
    (    A1 Refereed original research article in a scientific journal)


  • X-Ray and Multiwavelength Polarization of Mrk 501 from 2022 to 2023  (2024)  
    • Astrophysical Journal
     Chen, Chien-Ting J.; Liodakis, Ioannis; Middei, Riccardo; Kim, Dawoon E.; Di Gesu, Laura; Di Marco, Alessandro; Ehlert, Steven R.; Errando, Manel; Negro, Michela; Jorstad, Svetlana G.; Marscher, Alan P.; Wu, Kinwah; Agudo, Iván; Poutanen, Juri; Mizuno, Tsunefumi; Kouch, Pouya M.; Lindfors, Elina; Borman, George A.; Grishina, Tatiana S.; Kopatskaya, Evgenia N.; Larionova, Elena G.; Morozova, Daria A.; Savchenko, Sergey S.; Troitsky, Ivan S.; Troitskaya, Yulia V.; Vasilyev, Andrey A.; Zhovtan, Alexey V.; Aceituno, Francisco José; Bonnoli, Giacomo; Casanova, Víctor; Escudero, Juan; Agís-González, Beatriz; Husillos, César; Otero, Santos Jorge; Sota, Alfredo; Piirola, Vilppu; Myserlis, Ioannis; Angelakis, Emmanouil; Kraus, Alexander; Gurwell, Mark; Keating, Garrett; Rao, Ramprasad; Kang, Sincheol; Lee, Sang-Sung; Kim, Sang-Hyun; Cheong, Whee Yeon; Jeong, Hyeon-Woo; Song, Chanwoo; Berdyugin, Andrei V.; Kagitani, Masato; Kravtsov, Vadim; Nitindala, Anagha P.; Sakanoi, Takeshi; Imazawa, Ryo; Sasada, Mahito; Fukazawa, Yasushi; Kawabata, Koji S.; Uemura, Makoto; Nakaoka, Tatsuya; Akitaya, Hiroshi; Casadio, Carolina; Sievers, Albrecht; Antonelli, Lucio Angelo; Bachetti, Matteo; Baldini, Luca; Baumgartner, Wayne H.; Bellazzini, Ronaldo; Bianchi, Stefano; Bongiorno, Stephen D.; Bonino, Raffaella; Brez, Alessandro; Bucciantini, Niccoló; Capitanio, Fiamma; Castellano, Simone; Cavazzuti, Elisabetta; Ciprini, Stefano; Costa, Enrico; De Rosa, Alessandra; Del Monte, Ettore; Di Lalla, Niccoló; Donnarumma, Immacolata; Doroshenko, Victor; Dovčiak, Michal; Enoto, Teruaki; Evangelista, Yuri; Fabiani, Sergio; Ferrazzoli, Riccardo; Garcia, Javier A.; Gunji, Shuichi; Hayashida, Kiyoshi; Heyl, Jeremy; Iwakiri, Wataru; Kaaret, Philip; Karas, Vladimir; Kislat, Fabian; Kitaguchi, Takao; Kolodziejczak, Jeffery J.; Krawczynski, Henric; La Monaca, Fabio; Latronico, Luca; Maldera, Simone; Manfreda, Alberto; Marin, Frédéric; Marinucci, Andrea; Marshall, Herman L.; Massaro, Francesco; Matt, Giorgio; Mitsuishi, Ikuyuki; Muleri, Fabio; Ng, C.-Y.; O’Dell, Stephen L.; Omodei, Nicola; Oppedisano, Chiara; Papitto, Alessandro; Pavlov, George G.; Peirson, Abel Lawrence; Perri, Matteo; Pesce-Rollins, Melissa; Petrucci, Pierre-Olivier; Pilia, Maura; Possenti, Andrea; Puccetti, Simonetta; Ramsey, Brian D.; Rankin, John; Ratheesh, Ajay; Roberts, Oliver J.; Romani, Roger W.; Sgró, Carmelo; Slane, Patrick; Soffitta, Paolo; Spandre, Gloria; Swartz, Douglas A.; Tamagawa, Toru; Tavecchio, Fabrizio; Taverna, Roberto; Tawara, Yuzuru; Tennant, Allyn F.; Thomas, Nicholas E.; Tombesi, Francesco; Trois, Alessio; Tsygankov, Sergey S.; Turolla, Roberto; Vink, Jacco; Weisskopf, Martin C.; Xie, Fei; Zane, Silvia
    (    A1 Refereed original research article in a scientific journal)


  • Discovery of magnetic fields in five DC white dwarfs  (2023)  
    • Astronomy and Astrophysics
     Berdyugin Andrei V., Piirola Vilppu, Bagnulo Stefano, Landstreet John D., Berdyugina Svetlana V.
    (    A1 Refereed original research article in a scientific journal)


  • High-precision broadband linear polarimetry of early-type binaries : III. AO Cassiopeiae revisited  (2023)  
    • Astronomy and Astrophysics
     Qadir Yasir A, Berdyugin Andrei V, Piirola Vilppu, Sakanoi Takeshi, Kagitani Masato
    (    A1 Refereed original research article in a scientific journal)



Last updated on 12/07/2023 11:58:30 AM