Vilppu Piirola - UTU Research Portal

Vilppu Piirola

- Docent,
Faculty of Science (University of Turku)

piirola@utu.fi

Väisäläntie 20

Kaarina

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

3 of 3

Orbit of the OJ287 black hole binary as determined from the General Relativity centenary flare (2016) American Astronomical Society, DDA meeting #47, id.302.06 Valtonen Mauri, Gopakumar Achamveedu, Mikkola Seppo, Zola Staszek, Ciprini Stefano, Matsumoto Katsura, Sadakane Kozo, Kidger Mark, Gazeas Kosmas, Nilsson Kari, Berdyugin Andrei, Piirola Vilppu, Jermak Helen, Baliyan Kiran, Hudec Rene, Reichart Daniel
PRIMARY BLACK HOLE SPIN IN OJ 287 AS DETERMINED BY THE GENERAL RELATIVITY CENTENARY FLARE (2016)
- Astrophysical Journal Letters
Valtonen MJ, Zola S, Ciprini S, Gopakumar A, Matsumoto K, Sadakane K, Kidger M, Gazeas K, Nilsson K, Berdyugin A, Piirola V, Jermak H, Baliyan KS, Alicavus F, Boyd D, Torrent MC, Campos F, Gomez JC, Caton DB, Chavushyan V, Dalessio J, Debski B, Dimitrov D, Drozdz M, Er H, Erdem A, Perez AE, Ramazani VF, Filippenko AV, Ganesh S, Garcia F, Pinilla FG, Gopinathan M, Haislip JB, Hudec R, Hurst G, Ivarsen KM, Jelinek M, Joshi A, Kagitani M, Kaur N, Keel WC, LaCluyze AP, Lee BC, Lindfors E, de Haro JL, Moore JP, Mugrauer M, Nogues RN, Neely AW, Nelson RH, Ogloza W, Okano S, Pandey JC, Perri M, Pihajoki P, Poyner G, Provencal J, Pursimo T, Raj A, Reichart DE, Reinthal R, Sadegi S, Sakanoi T, Gonzalez JLS, Sameer, Schweyer T, Siwak M, Alfaro FCS, Sonbas E, Steele I, Stocke JT, Strobl J, Takalo LO, Tomov T, Espasa LT, Valdes JR, Perez JV, Verrecchia F, Webb JR, Yoneda M, Zejmo M, Zheng W, Telting J, Saario J, Reynolds T, Kvammen A, Gafton E, Karjalainen R, Harmanen J, Blay P
Charting the interstellar magnetic field causing the interstellar boundary explorer (IBEX) ribbon of energetic neutral atoms (2015)
- Astrophysical Journal
Frisch PC, Berdyugin A, Piirola V, Magalhaes AM, Seriacopi DB, Wiktorowicz SJ, Andersson BG, Funsten HO, McComas DJ, Schwadron NA, Slavin JD, Hanson AJ, Fu CW
Evidence for an interstellar dust filament in the outer heliosheat (2015)
- Astrophysical Journal
Frisch PC, Andersson BG, Berdyugin A, Piirola V, Funsten HO, Magalhaes AM, Seriacopi DB, McComas DJ, Schwadron NA, Slavin JD, Wiktorowicz SJ
DIPOL-2: a double image high precision polarimeter (2014)
- Proceedings of SPIE : the International Society for Optical Engineering
Ground-based and Airborn Instrumentation for Astronomy V V. Piirola, A. Berdyugin, Svetlana Berdyugina
Interstellar polarization at high galactic latitudes from distant stars. VIII. Patterns related to the local dust and gas shells from observations of ~3600 stars (2014)
- Astronomy and Astrophysics
Berdyugin A., Piirola V., Teerikorpi P.
Evidence for H2 Formation Driven Dust Grain Alignment in IC 63 (2013)
- Astrophysical Journal
B-G Andersson, V Piirola, J De Buizer, D P Clemens, A Uomoto, M Charcos-Llorens, T R Geballe, A Lazarian, T Hoang, T Vornanen
Albedo of exoplanets constrained by polarimetry (2012)
- AIP Conference Proceedings
Berdyugina S V, Berdyugin A V, Piirola V
The interstellar Manetic field close to the Sun. II. (2012)
- Astrophysical Journal
Frisch P C, Andersson B-G, Berdyugin A, Piirola V, DeMajistre R, Funsten H O, Magalhaes A M, Seriacopi D B, McComas D J, Schwarron N A, Slavin J D, Wiktorowicz S J
Polarized Reflected Light from the Exoplanet HD189733b: First Multicolour Observations and Confirmation of Detection (2011)
- Astrophysical Journal Letters
Berdyugina S V, Berdyugin A V, Fluri D M, Piirola V
Comparisons of the Interstellar Magnetic Field Directions obtained from the IBEX Ribbon and Interstellar Polarization Measurements (2010)
- Geophysical Monograph- American Geophysical Union
Frisch P C, Anderssen B, Berdyugin A, Funsten H O, Magalhaes M, McComas D J, Piirola V, Schwadron N A, Slavin J D, Wiktorowicz S J
Comparisons of the Interstellar Magnetic Field Directions Obtained from the IBEX Ribbon and Interstellar Polarizations (2010)
- Astrophysical Journal
Frisch P C, Andersson B-G, Berdyugin A, Funsten H O, Magalhaes A M, McComas D J, Piirola V, Schwadron N A, Slavin J D, Wiktorowicz S J
DISCOVERY OF POLARIZED EMISSION FROM TWO SOFT X-RAY-EMITTING INTERMEDIATE POLARS: UU Col AND NY Lup (2010)
- Astrophysical Journal
Katajainen S, Butters O, Norton AJ, Lehto HJ, Piirola V, Berdyugin A
GJ 841B―the Second DQ White Dwarf With Polarized CH Molecular Bands (2010)
- Astrophysical Journal Letters
Vornanen T, Berdyugina S V, Berdyugin A V, Piirola V
Polarimetric Analysis of Binary Stars (2010) BINARIES - KEY TO COMPREHENSION OF THE UNIVERSE Piirola V
Polarization in Soft X-ray Intermediate Polars (2010) Katajainen S, Lehto HJ, Piirola V, Berdyugin A, Norton A, Butters O