Seppo Mattila
 

Department of Physics and Astronomy

sepmat@utu.fi

+358 29 450 4518

+358 50 412 5859

Vesilinnantie 5

Turku


: https://orcid.org/0000-0001-7497-2994

I received my PhD degree from Imperial College, Univ. of London in 2002. After this I held postdoctoral positions at Stockholm University, Helsinki University of Technology (now Aalto University) and Queen's University Belfast. I moved back to Finland in 2007 with an Academy of Finland Research Fellowship to work at Tuorla Observatory at University of Turku. Between 2012 and 2015 I worked at the Finnish Centre for Astronomy with ESO (FINCA) as a University Researcher. I was appointed as a Professor of Astronomy at the Department of Physics and Astronomy at University of Turku in 2015. After 2010 I have made extended research visits to Stockholm University (18 months) and to University of Cambridge, UK (10 months). I have been the Finnish delegate in the European Southern Observatory (ESO) Council since 2020 and in the International Scientific Committee (CCI) of the Roque de los Muchachos and Teide observatories since 2019. Since 2022 I have also served as the President of the CCI. I am currently also the President of the Finnish National Committee for Astronomy and a member of the Nordic Optical Telescope (NOT) Council and the board of FINCA, and a vice member of the board of the Univ. of Turku Faculty of Science. In 2022 I was invited as a member of the Finnish Academy of Science and Letters.



​​​​​​My main research interests focus on observational work on extragalactic astrophysical transients, including supernovae, tidal disruption events, and kilonovae. For more details on my research and information on the research group please see https://sites.utu.fi/sne/. For a complete list of my refereed journal papers see ADS (in chronological order) or ADS (ordered by number of citations).

Selected recent papers:

Kool et al. (incl. Mattila) 2023, Nature: A radio-detected type Ia supernova with helium-rich circumstellar material

Pasham et al. (incl. Mattila) 2023, Nature Astronomy: The Birth of a Relativistic Jet Following the Disruption of a Star by a Cosmological Black Hole

Nagao, Mattila et al. 2023, A&A: Spectropolarimetry of Type II supernovae. I. Sample, observational data, and interstellar polarization

Reynolds, Mattila et al. 2022, A&A: Energetic nuclear transients in luminous and ultraluminous infrared galaxies

Perez-Torres, Mattila et al. 2021, The Astronomy and Astrophysics Review: Star formation and nuclear activity in luminous infrared galaxies: An infrared through radio review

Kool, Reynolds, Mattila et al. 2020, MNRAS: AT2017gbl: a dust obscured TDE candidate in a luminous infrared galaxy

Ackley et al. (incl. Mattila) 2020, A&A: Observational constraints on the optical and near-infrared emission from the neutron star-black hole binary merger S190814bv

Reynolds, Fraser, Mattila et al. 2020, MNRAS: SN 2016gsd: An unusually luminous and linear type II supernova with high velocities

Mattila et al. 2018, Science: A dust-enshrouded tidal disruption event with a resolved radio jet in a galaxy merger​

Smartt et al. (incl. Mattila) 2017, Nature: A kilonova as the electromagnetic counterpart to a gravitational-wave source​

Abbott et al. (imcl. Mattila) 2017, ApJ: Multi-messenger Observations of a Binary Neutron Star Merger

Kankare, Kotak, Mattila et al. 2017, Nature Astronomy: A population of highly energetic transient events in the centres of active galaxies

Kangas, Blagorodnova, Mattila et al. 2017, MNRAS: Gaia 16apd - a link between fast- and slowly-declining superluminous supernovae

Kangas, Portinari, Mattila et al. 2017, A&A: Core-collapse supernova progenitor constraints using the spatial distribution of massive stars in local galaxies



I have taught several courses in astronomy, astrophysics and signal and image processing at the Univ. of Turku. In  particular, I initiated two new observational astronomy courses currently offered at national level for students from Turku, Helsinki, Oulu and the Aalto University. These courses offer hands-on experience on the use of the Nordic Optical Telescope (NOT) remotely from Univ. of Turku (Observational Techniques Using the Nordic Optical Telescope) and on the science exploitation of data from the European Southern Observatory (ESO; Data Processing Techniques for Astronomy with ESO Instrumentation). Currently I teach also the BSc course on observational astronomy and the MSc courses Spectroscopic Diagnostics in Astrophysics and Signal and Image Processing. In my teaching I always try to make use of examples from the latest research in order to offer a motivating learning experience for the students.



  
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  • The development status of the NIR Arm of the new SoXS instrument at the ESO/NTT telescope  (2020)  
    • Proceedings of SPIE : the International Society for Optical Engineering
    Proceedings of SPIE: Ground-based and Airborne Instrumentation for Astronomy VIII F. Vitali, M. Aliverti, G. Capasso, F. D'Alessio, M. Munari, M. Riva, S. Scuderi, R. Zanmar Sánchez, S. Campana, P. Schipani, R. Claudi, A. Baruffolo, S. Ben-Ami, F. Biondi, A. Brucalassi, R. Cosentino, D. Ricci, P. D'Avanzo, H. Kuncarayakti, A. Rubin, J. Achrén, J. A. Araiza-Durán, I. Arcavi, A. Bianco, R. Bruch, E. Cappellaro, M. Colapietro, M. Della Valle, M. De Pascale, R. Di Benedetto, S. D'Orsi, D. Fantinel, A. Gal-Yam, M. Genoni, M. Hernandez, O. Hershko, J. Kotilainen, M. Landoni, G. Li Causi, S. Mattila, G. Pignata, K. Radhakrishnan, M. Rappaport, B. Salasnich, S. Smartt, M. Stritzinger, E. Ventura, D. Young


  • The long-lived Type IIn SN 2015da: Infrared echoes and strong interaction within an extended massive shell  (2020)  
    • Astronomy and Astrophysics
     L. Tartaglia, A. Pastorello, J. Sollerman, C. Fransson, S. Mattila, M. Fraser, F. Taddia, L. Tomasella, M. Turatto, A. Morales-Garoffolo, N. Elias-Rosa, P. Lundqvist, J. Harmanen, T. Reynolds, E. Cappellaro, C. Barbarino, A. Nyholm, E. Kool, E. Ofek, X. Gao, Z. Jin, H. Tan, D. J. Sand, F. Ciabattari, X. Wang, J. Zhang, F. Huang, W. Li, J. Mo, L. Rui, D. Xiang, T. Zhang, G. Hosseinzadeh, D. A. Howell, C. McCully, S. Valenti, S. Benetti, E. Callis, A. S. Carracedo, C. Fremling, T. Kangas, A. Rubin, A. Somero, G. Terreran


  • The Most Rapidly Declining Type I Supernova 2019bkc/ATLAS19dqr  (2020)  
    • Astrophysical Journal Letters
     Ping Chen, Subo Dong, M. D. Stritzinger, Simon Holmbo, Jay Strader, C. S. Kochanek, Eric W. Peng, S. Benetti, D. Bersier, Sasha Brownsberger, David A. H. Buckley, Mariusz Gromadzki, Shane Moran, A. Pastorello, Elias Aydi, Subhash Bose, Thomas Connor, K. Boutsia, F. Di Mille, N. Elias-Rosa, K. Decker French, Thomas W.-S. Holoien, Seppo Mattila, B. J. Shappee, Antony A. Stark, Samuel J. Swihart


  • The SOXS data-reduction pipeline  (2020)  
    • Proceedings of SPIE : the International Society for Optical Engineering
    Proceedings of SPIE: Software and Cyberinfrastructure for Astronomy VI Sanchez R.Z., Stritzinger M., Ventura H., Radhakrishnan K., Ricci D., Riva M., Salasnich B., Young D.R., Smartt S.J., Landoni M., Claudi R., Campana S., Aliverti M., Schipani P., Biondi F., Capasso G., Baruffolo A., Ben-Ami S., D'Avanzo P., Hershko O., Cosentino R., D'Alessio F., Pignata G., Rubin A., Kuncarayakti H., Munari M., Achrén J., Araiza-Duran J.A., Scuderi S., Vitali F., Cappellaro E., Bruch R., Brucalassi A., Arcavi I., Di Benedetto R., De Pascale M., Della Valle M., Colapietro M., Hernandez M., Genoni M., Gal-Yam A., D'Orsi S., Rappaport M., Mattila S., Li Causi G., Kotilainen J.


  • A progenitor candidate for the type II-P supernova SN 2018aoq in NGC 4151  (2019)  
    • Astronomy and Astrophysics
     O'Neill D., Kotak R., Fraser M., Sim S. A., Benetti S., Smartt S. J., Mattila S., Ashall C., Callis E., Elias-Rosa N., Gromadzki M., Prentice S. J.


  • Discovery and follow-up of the unusual nuclear transient OGLE17aaj  (2019)  
    • Astronomy and Astrophysics
     Gromadzki M, Hamanowicz A, Wyrzykowski L, Sokolovsky KV, Fraser M, Kozlowski S, Guillochon J, Arcavi I, Trakhtenbrot B, Jonker PG, Mattila S, Udalski A, Szymanski MK, Soszynski I, Poleski R, Pietrukowicz P, Skowron J, Mroz P, Ulaczyk K, Pawlak M, Rybicki KA, Sollerman J, Taddia F, Kostrzewa-Rutkowska Z, Onori F, Young DR, Maguire K, Smartt SJ, Inserra C, Gal-Yam A, Rau A, Chen TW, Angus CR, Buckley DAH, Buckley DAH


  • Evidence for rapid disc formation and reprocessing in the X-ray bright tidal disruption event candidate AT 2018fyk  (2019)  
    • Monthly Notices of the Royal Astronomical Society
     Wevers T, Pasham DR, van Velzen S, Leloudas G, Schulze S, Miller-Jones JCA, Jonker PG, Gromadzki M, Kankare E, Hodgkin ST, Wyrzykowski L, Kostrzewa-Rutkowska Z, Moran S, Berton M, Maguire K, Onori F, Mattila S, Nicholl M


  • NUTS2 spectroscopic classification of ASASSN-19jy (AT2019dke) as a young Type II supernova  (2019)  Astronomer’s telegram Holmbo S, Stritzinger M, Nowack G, Vallely SP, Stanek K, Elias-Rosa N, Kankare E, Heikkilä T, Kotak R, Kuncarayakti H, Mattila S, Reynolds T, Lundqvist P, Ergon M, Pastorello A, Benetti S, Reguitti A, Fiore A, Valerin G, Cai YZ, Fraser M, Moran S, Dong S, Chen P, Bose A, Albrecht S, Collaboration N


  • Optical follow-up of the tidal disruption event iPTF16fnl: new insights from X-shooter observations  (2019)  
    • Monthly Notices of the Royal Astronomical Society
     Onori F, Cannizzaro G, Jonker PG, Fraser M, Kostrzewa-Rutkowska Z, Martin-Carrillo A, Benetti S, Elias-Rosa N, Gromadzki M, Harmanen J, Mattila S, Strizinger MD, Terreran G, Wevers T


  • Radio detection of the tidal disruption event AT2019azh  (2019)  Astronomer’s telegram Perez-Torres M, Moldon J, Mattila S, Alberdi A, Beswick R, Ryder S, Varenius E, Fraser M, Kankare E, Kool E


  • SN2016coi (ASASSN-16fp): An Energetic H-stripped Core-collapse Supernova from a Massive Stellar Progenitor with Large Mass Loss  (2019)  
    • Astrophysical Journal
     Terreran G, Margutti R, Bersier D, Brimacombe J, Caprioli D, Challis P, Chornock R, Coppejans DL, Dong S, Guidorzi C, Hurley K, Kirshner R, Migliori G, Milisavljevic D, Palmer DM, Prieto JL, Tomasella L, Marchant P, Pastorello A, Shappee BJ, Stanek KZ, Stritzinger MD, Benetti S, Chen P, Demarchi L, Elias-Rosa N, Gall C, Harmanen J, Mattila S, Mattila S


  • Son of X–Shooter: A multi–band instrument for a multi–band universe  (2019)  
    • POS Proceedings of Science
    Frontier Research in Astrophysics – III (FRAPWS2018) - Ongoing Experiments Claudi R., Campana S., Schipani P., Aliverti M., Baruffolo A., Ben-Ami S., Biondi F., Brucalassi A., Capasso G., Cosentino R., D’Alessio F., D’Avanzo P., Hershko O., Kuncarayakti H., Munari M., Rubin A., Scuderi S., Vitali F., Achrén J., Antonio Araiza-Duran J., Arcavi I., Bianco A., Cappellaro E., Colapietro M., Della Valle M., Diner O., D’Orsi S., Fantinel D., Fynbo J., Gal-Yam A., Genoni M., Hirvonen M., Kotilainen J., Kumar T., Landoni M., Lehti J., Li Causi G.


  • Spectroscopic classification of AT2019sou  (2019)  Astronomer's Telegram Marco Berton, Anton Glad, Kosti Koistinen, Philipp Oleynik, Erkki Kankare, Seppo Mattila


  • Spectroscopic classification of SN 2019pqh by NUTS2, and implications for the claimed association with IceCube-190922B  (2019)  Astronomer’s telegram Reguitti A, Pastorello A, Benetti S, Cai YZ, Cappellaro E, Fiore A, Elias-Rosa N, Tomasella L, Valerin G, Ochner P, Morales-Garoffolo A, Stritzinger M, Holmbo S, Moran S, Brennan S, Callis E, Fraser M, Kankare E, Kotak R, Kuncarayakti H, Heikkila T, Mattila S, Reynolds T, Lundqvist P, Dong S, Chen P, Bose S


  • Spectroscopic observation of AT 2019azh by NUTS (NOT Un-biased Transient Survey)  (2019)  Astronomer’s telegram Heikkila Teppo, Reynolds Tom, Kankare Erkki, Mattila Seppo, Arcavi Iair, French K Decker, Zabludoff Ann, Gromadzki Mariusz, Lundqvist Peter, Benetti Stefano, Viuho Joonas, Jimenez Rosa Clavero


  • Spectroscopic observation of AT2019lls and SN2019lqo by NUTS (NOT Un-biased Transient Survey)  (2019)  Astronomer's Telegram Bose S, Holmbo S, Mattila S, Kankare E, Stritzinger M, Heikkila T, Chen P


  • Strongly Bipolar Inner Ejecta of the Normal Type IIP Supernova ASASSN-16at  (2019)  
    • Astrophysical Journal Letters
     Subhash Bose, Subo Dong, N. Elias-Rosa, B. J. Shappee , David Bersier , Stefano Benetti, M. D. Stritzinger , D. Grupe , C. S. Kochanek, J. L. Prieto, Ping Chen , H. Kuncarayakti, Seppo Mattila, Antonia Morales-Garoffolo, Nidia Morrell, F. Onori, Thomas M Reynolds, A. Siviero, Auni Somero, K. Z. Stanek, Giacomo Terreran, Todd A. Thompson, L. Tomasella, C. Ashall, Christa Gall , M. Gromadzki, T. W.-S. Holoien


  • The Matter Beyond the Ring: The Recent Evolution of SN 1987A Observed by the Hubble Space Telescope  (2019)  
    • Astrophysical Journal
     Larsson J, Fransson C, Alp D, Challis P, Chevalier RA, France K, Kirshner RP, Lawrence S, Leibundgut B, Lundqvist P, Mattila S, Migotto K, Sollerman J, Sonneborn G, Spyromilio J, Suntzeff NB, Wheeler JC, Wheeler JC


  • Unambiguous radio detection of the tidal disruption event AT2019dsg with e-MERLIN  (2019)  Astronomer’s telegram Perez-Torres M, Moldon J, Mattila S, Alberdi A, Beswick R, Ryder S, Varenius E, Fraser M, Jonker P, Kankare E, Kool E


  • A dust-enshrouded tidal disruption event with a resolved radio jet in a galaxy merger  (2018)  
    • Science
     S. Mattila, M. Pérez-Torres, A. Efstathiou, P. Mimica, M. Fraser, E. Kankare, A. Alberdi, M. Á. Aloy, T. Heikkilä, P. G. Jonker, P. Lundqvist, I. Martí-Vidal, W. P. S. Meikle, C. Romero-Cañizales, S. J. Smartt, S. Tsygankov, E. Varenius, A. Alonso-Herrero, M. Bondi, C. Fransson, R. Herrero-Illana, T. Kangas, R. Kotak, N. Ramírez-Olivencia, P. Väisänen, R. J. Beswick, D. L. Clements, R. Greimel, J. Harmanen, J. Kotilainen, K. Nandra, T. Reynolds, S. Ryder, N. A. Walton, K. Wiik, G. Östlin



Last updated on 2024-15-03 at 11:43