Vilppu Piirola
 


piirola@utu.fi

Väisäläntie 20

Kaarina


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

Publications
  
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  • Disc and wind in black hole X-ray binary MAXI J1820+070 observed through polarized light during its 2018 outburst  (2020)  
    • Monthly Notices of the Royal Astronomical Society
     Kosenkov IA, Veledina A, Berdyugin AV, Kravtsov V, Piirola V, Berdyugina SV, Sakanoi T, Kagitani M, Poutanen J
    (    A1 Refereed original research article in a scientific journal)


  • High-precision polarimetry of nearby stars (d < 50 pc): Mapping the interstellar dust and magnetic field inside the Local Bubble  (2020)  
    • Astronomy and Astrophysics
     V. Piirola, A. Berdyugin, P. C. Frisch, M. Kagitani, T. Sakanoi, S. Berdyugina, A. A. Cole, C. Harlingten, K. Hill
    (    A1 Refereed original research article in a scientific journal)


  • Orbital variability of the optical linear polarization of the γ -ray binary LS i +61° 303 and new constraints on the orbital parameters  (2020)  
    • Astronomy and Astrophysics
     Vadim Kravtsov, Andrei V. Berdyugin, Vilppu Piirola, Ilia A. Kosenkov, Sergey S. Tsygankov, Maria Chernyakova, Denys Malyshev, Takeshi Sakanoi, Masato Kagitani, Svetlana V. Berdyugina, Juri Poutanen
    (    A1 Refereed original research article in a scientific journal)


  • Probing Interstellar Grain Growth through Polarimetry in the Taurus Cloud Complex  (2020)  
    • Astrophysical Journal
     Vaillancourt J. E., Andersson B. -G., Clemens Dan P., Piirola Vilppu, Hoang Thiem, Becklin Eric E., Caputo Miranda
    (    A1 Refereed original research article in a scientific journal)


  • Accretion Disk Parameters Determined from the Great 2015 Flare of OJ 287  (2019)  
    • Astrophysical Journal
     Valtonen MJ, Zola S, Pihajoki P, Enestam S, Lehto HJ, Dey L, Gopakumar A, Drozdz M, Ogloza W, Zejmos M, Gupta AC, Pursimo T, Ciprini S, Kidger M, Nilsson K, Berdyugin A, Piirola V, Jermak H, Hudec R, Laine S
    (    A1 Refereed original research article in a scientific journal)


  • Evolving optical polarisation of the black hole X-ray binary MAXI J1820+070  (2019)  
    • Astronomy and Astrophysics
     Alexandra Veledina, Andrei V. Berdyugin, Ilia A. Kosenkov, Jari J.E. Kajava, Sergey S. Tsygankov, Vilppu Piirola, Svetlana V. Berdyugina, Takeshi Sakanoi, Masato Kagitani, Vadim Kravtsov, Juri Poutanen
    (    A1 Refereed original research article in a scientific journal)


  • Optical Polarimetry: Methods, Instruments and Calibration Techniques  (2019)  Astronomical Polarisation from the Infrared to Gamma Rays Berdyugin A., Piirola V., Poutanen J.
    (    A3 Refereed book chapter or chapter in a compilation book)


  • Optical polarimetry of the soft-state low-mass X-ray binary MAXI J0637-430  (2019)  Astronomer's Telegram Kravtsov V, Berdyugin A, Veledina A, Poutanen J, Piirola V, Berdyugina S, Sakanoi T, Kagitani M
    (    D2 Article in a professional compilation book)


  • The Unique Blazar OJ 287 and Its Massive Binary Black Hole Central Engine  (2019)  
    • Universe
     Dey L, Gopakumar A, Valtonen M, Zola S, Susobhanan A, Hudec R, Pihajoki P, Pursimo T, Berdyugin A, Piirola V, Ciprini S, Nilsson K, Jermak H, Kidger M, Komossa S
    (    A2 Refereed review article in a scientific journal )


  • Authenticating the Presence of a Relativistic Massive Black Hole Binary in OJ 287 Using Its General Relativity Centenary Flare: Improved Orbital Parameters  (2018)  
    • Astrophysical Journal
     Dey L, Valtonen MJ, Gopakumar A, Zola S, Hudec R, Pihajoki P, Ciprini S, Matsumoto K, Sadakane K, Kidger M, Nilsson K, Mikkola S, Sillanpaa A, Takalo LO, Lehto HJ, Berdyugin A, Piirola V, Jermak H, Baliyan KS, Pursimo T, Caton DB, Alicavus F, Baransky A, Blay P, Boumis P, Boyd D, Torrent MC, Campos F, Gomez JC, Chandra S, Chavushyan V, Dalessio J, Debski B, Drozdz M, Er H, Erdem A, Perez AE, Ramazani VF, Filippenko AV, Gafton E, Ganesh S, Garcia F, Gazeas K, Godunova V, Pinilla FG, Gopinathan M, Haislip JB, Harmanen J, Hurst G, Janik J, Jelinek M, Joshi A, Kagitani M, Karjalainen R, Kaur N, Keel WC, Kouprianov VV, Kundera T, Kurowski S, Kvammen A, LaCluyze AP, Lee BC, Liakos A, Lindfors E, de Haro JL, Mugrauer M, Nogues RN, Neely AW, Nelson RH, Ogloza W, Okano S, Pajdosz-Smierciak U, Pandey JC, Perri M, Poyner G, Provencal J, Raj A, Reichart DE, Reinthal R, Reynolds T, Saario J, Sadegi S, Sakanoi T, Gonzalez JLS, Sameer, Schweyer T, Simon A, Siwak M, Alfaro FCS, Sonbas E, Steele I, Stocke JT, Strobl J, Tomov T, Espasa LT, Valdes JR, Perez JV, Verrecchia F, Vasylenko V, Webb JR, Yoneda M, Zejmo M, Zheng W, Zielinski P
    (    A1 Refereed original research article in a scientific journal)


  • Development of PLANETS telescope and visible-infrared spectrometer for monitoring of planetary and exoplanetary atmospheres  (2018)  
    • Proceedings of SPIE : the International Society for Optical Engineering
    Proceedings Volume 10700, Ground-based and Airborne Telescopes VII Takeshi Sakanoi, Jeff Kuhn, Svetlana Berdyugina, Marcelo Emilio, Masato Kagitani, Yasuhiro Hirahara, Hiromu Nakagawa, Yasumasa Kasaba, Takahiro Obara, Shoichi Okano, Isabelle Scholl, Andrei Berdyugin, Vilppu Piirola
    (    A4 Refereed article in a conference publication )


  • High-precision and high-accuracy polarimetry of exoplanets  (2018)  
    • Proceedings of SPIE : the International Society for Optical Engineering
    Ground-based and Airborne Instrumentation for Astronomy VII A. V. Berdyugin, S. V. Berdyugina, V. Piirola
    (    A4 Refereed article in a conference publication )


  • High-precision broad-band linear polarimetry of early-type binaries. II. Variable, phase-locked polarization in triple Algol-type system λ Tauri  (2018)  
    • Astronomy and Astrophysics
     Berdyugin A., Piirola V., Sakanoi T., Kagitani M., Yoneda M.
    (    A1 Refereed original research article in a scientific journal)


  • Polarimetry and spectroscopy of the "oxygen flaring" DQ Herculis-like nova: V5668 Sagittarii (2015)  (2018)  
    • Astronomy and Astrophysics
     E. J. Harvey, M. P. Redman, M. J. Darnley, S. C. Williams, A. Berdyugin, V. E. Piirola, K. P. Fitzgerald, E. G. P. O’Connor
    (    A1 Refereed original research article in a scientific journal)


  • Stochastic Modeling of Multiwavelength Variability of the Classical BL Lac Object OJ287 on Timescales Ranging from Decades to Hours  (2018)  
    • Astrophysical Journal
     Goyal A, Stawarz L, Zola S, Marchenko V, Soida M, Nilsson K, Ciprini S, Baran A, Ostrowski M, Wiita PJ, Gopal-Krishna, Siemiginowska A, Sobolewska M, Jorstad S, Marscher A, Aller MF, Aller HD, Hovatta T, Caton DB, Reichart D, Matsumoto K, Sadakane K, Gazeas K, Kidger M, Piirola V, Jermak H, Alicavus F, Baliyan KS, Baransky A, Berdyugin A, Blay P, Boumis P, Boyd D, Bufan Y, Torrent MC, Campos F, Gomez JC, Dalessio J, Debski B, Dimitrov D, Drozdz M, Er H, Erdem A, Perez AE, Ramazani VF, Filippenko AV, Gafton E, Garcia F, Godunova V, Pinilla FG, Gopinathan M, Haislip JB, Haque S, Harmanen J, Hudec R, Hurst G, Ivarsen KM, Joshi A, Kagitani M, Karaman N, Karjalainen R, Kaur N, Koziel-Wierzbowska D, Kuligowska E, Kundera T, Kurowski S, Kvammen A, LaCluyze AP, Lee BC, Liakos A, de Haro JL, Moore JP, Mugrauer M, Nogues RN, Neely AW, Ogloza W, Okano S, Pajdosz U, Pandey JC, Perri M, Poyner G, Provencal J, Pursimo T, Raj A, Rajkumar B, Reinthal R, Reynolds T, Saario J, Sadegi S, Sakanoi T, Gonzalez JLS, Sameer, Simon AO, Siwak M, Schweyer T, Alfaro FCS, Sonbas E, Strobl J, Takalo LO, Espasa LT, Valdes JR, Vasylenko VV, Verrecchia F, Webb JR, Yoneda M, Zejmo M, Zheng W, Zielinski P, Janik J, Chavushyan V, Mohammed I, Cheung CC, Giroletti M, Giroletti M
    (    A1 Refereed original research article in a scientific journal)


  • High-precision optical polarimetry of the accreting black hole V404 Cyg during the 2015 June outburst  (2017)  
    • Monthly Notices of the Royal Astronomical Society
     Ilia A. Kosenkov, Andrei V. Berdyugin, Vilppu Piirola, Sergey S. Tsygankov, Enric Pallé, Paulo A. Miles-Páez, Juri Poutanen
    (    A1 Refereed original research article in a scientific journal)


  • Polarization and Spectral Energy Distribution in OJ 287 during the 2016/17 Outbursts  (2017)  
    • Galaxies
     Mauri Valtonen, Stanislaw Zola, Helen Jermak, Stefano Ciprini, Rene Hudec, Lankeswar Dey, Achamveedu Gopakumar, Daniel L. Reichart, Daniel B. Caton, Kosmas Gazeas, Katsura Matsumoto, Waldemar Ogloza,
    Marek Drozdz, Fahri Alicavus, Oleksandr Baransky, Andrei Berdyugin, Panos Boumis, Yurii Bufan, Bartlomiej Debski, Huseyin Er, Ahmet Erdem, Vira Godunova, Shirin Haque, Vivian L. Hoette, Jan Janik, Mark Kidger, Tomasz Kundera, Sebastian Kurowski, Alexis Liakos, Isa Mohammed, Kari Nilsson, Urszula Pajdosz, Vilppu Piirola, Tapio Pursimo, Brandon Rajkumar, Andrii O. Simon, Michal Siwak, Eda Sonbas, Ian A. Steele, Volodymir V. Vasylenko, Michal Zejmo, Pawel Zielinski
    (    A1 Refereed original research article in a scientific journal)


  • A Search for QPOs in the Blazar OJ287: Preliminary Results from the 2015/2016 Observing Campaign  (2016)  
    • Galaxies
     Zola S., Valtonen M., Bhatta G., Goyal A., Debski B., Baran A., Krzesinski J., Siwak M., Ciprini S., Gopakumar A., Jermak H., Nilsson K., Reichart D., Matsumoto K., Sadakane K., Gazeas K., Kidger M., Piirola V., Alicavus F., Baliyan K., Berdyugin A., Boyd D., Campas Torrent M., Campos F., Carrillo Gómez J., Caton D., Chavushyan V., Dalessio J., Dimitrov D., Drozdz M., Er H., Erdem A., Escartin Pérez A., Fallah Ramazani V., Filippenko A., Garcia F., Gómez Pinilla F., Gopinathan M., Haislip J., Harmanen J., Hudec R., Hurst G., Ivarsen K., Jelinek M., Joshi A., Kagitani M., Kaur N., Keel W., LaCluyze A., Lee B., Lindfors E., Lozano de Haro J., Moore J., Mugrauer M., Naves Nogues R., Neely A., Nelson R., Ogloza W., Okano S., Pandey J., Perri M., Pihajoki P., Poyner G., Provencal J., Pursimo T., Raj A., Reinthal R., Sadegi S., Sakanoi T., Sameer, Salto González J.-L., Schweyer T., Soldán Alfaro F., Karaman N., Sonbas E., Steele I., Stocke J., Strobl J., Takalo L., Tomov T., Tremosa Espasa L., Valdes J., Valero Pérez J., Verrecchia F., Webb J., Yoneda M., Zejmo M., Zheng W., Telting J., Saario J., Reynolds T., Kvammen A., Gafton E., Karjalainen R., Blay P.
    (    A1 Refereed original research article in a scientific journal)


  • Following the interstellar magnetic field from the heliosphere into space with polarized starlight  (2016)  
    • Journal of Physics: Conference Series
    15th Annual International Astrophysics Conference: "The Science of Ed Stone: Celebrating his 80th Birthday" Ferrari T., Seriacopi D., Schwadron N., Santos F., McComas D., Funsten H., Heiles C., Frisch P., Berdyugin A., Piirola V., Magalhaes A.
    (    A4 Refereed article in a conference publication )


  • High-precision broad-band linear polarimetry of early-type binaries I. Discovery of variable, phase-locked polarization in HD48099  (2016)  
    • Astronomy and Astrophysics
     A. Berdyugin, V. Piirola, S. Sadegi, S. Tsygankov, T. Sakanoi, M. Kagitani, M. Yoneda, S. Okano, J. Poutanen
    (    A1 Refereed original research article in a scientific journal)



Last updated on 2023-12-07 at 11:58