arrow
Back
S

S. Mattila

university of turku

55H-index
488Paper Count
1.1WCitation Count
Published Papers 152
Publication Date
SN 2024cld: unveiling the complex mass-loss histories of evolved supergiant progenitors to core collapse supernovae
err2025-12-23
err0
errOAAI
errT L Killestein; M Pursiainen; R Kotak; P Charalampopoulos; J Lyman; K Ackley; S Belkin; D L Coppejans; B Davies; M J Dyer; L Galbany; B Godson; D Jarvis; N Koivisto; A Kumar; M Magee; M Mitchell; D O’Neill; A Sahu; B Warwick; R P Breton; T Butterley; Y-Z Cai; J Casares; V S Dhillon; N Elias-Rosa; M Fraser; D K Galloway; B Gompertz; M González-Bañuelos; C P Gutiérrez; T Kangas; E Kankare; L Kelsey; T Kravtsov; G Leloudas; S P Littlefair; K Matilainen; S Mattila; T Nagao; K Noysena; L K Nuttall; P O’Brien; D Pollacco; G Ramsay; A Reguitti; T M Reynolds; I Salmaso; R L C Starling; D Steeghs; M Stritzinger; K Ulaczyk; G Valerin; Z-Y Wang; R Wilson
errShare
errSave
SN 2024bfu, SN 2025qe, and the early light curves of type Iax supernovae
err2025-11-01
err1
errOAAI
errMagee, M. R.; Killestein, T. L.; Pursiainen, M.; Godson, B.; Jarvis, D.; Jimenez-Palau, C.; Lyman, J. D.; Steeghs, D.; Warwick, B.; Anderson, J. P.; Butterley, T.; Chen, T. -W; Dhillon, V. S.; Galbany, L.; Gonzalez-Gaitan, S.; Gromadzki, M.; Inserra, C.; Kelsey, L.; Kumar, A.; Leloudas, G.; Mattila, S.; Moran, S.; Muller-Bravo, T. E.; Noysena, K.; Ramsay, G.; Srivastav, S.; Starling, R.; Wilson, R. W.; Young, D. R.; Ackley, K.; Breton, R. P.; Casares Velazquez, J.; Dyer, M. J.; Galloway, D. K.; Kankare, E.; Kotak, R.; Nuttall, L. K.; O'Neill, D.; Pessi, P.; Pollacco, D.; Ulaczyk, K.; Yaron, O.
errShare
errSave
GRB 241105A: a test case for GRB classification and rapid r-process nucleosynthesis channels
err2025-11-01
err0
PREAI
errDimple; Gompertz, B. P.; Levan, A. J.; Malesani, D. B.; Laskar, T.; Bala, S.; Chrimes, A. A.; Heintz, K.; Izzo, L.; Lamb, G. P.; O'neill, D.; Palmerio, J. T.; Saccardi, A.; Anderson, G. E.; De barra, C.; Huang, Y.; Kumar, A.; Li, H.; McBreen, S.; Mukherjee, O.; Oates, S. R.; Pathak, U.; Qiu, Y.; Roberts, O. J.; Sonawane, R.; Veres, P.; Ackley, K.; Han, X.; Julakanti, Y.; Wang, J.; D'avanzo, P.; Martin-Carrillo, A.; Ravasio, M. E.; Rossi, A.; Tanvir, N. R.; Anderson, J. P.; Arabsalmani, M.; Belkin, S.; Breton, R. P.; Brivio, R.; Burns, E.; Casares, J.; Campana, S.; Chastain, S., I; D'Elia, V; Dhillon, V. S.; Dyer, M. J.; Fynbo, J. P. U.; Galloway, D. K.; Gulati, A.; Godson, B.; Goodwin, A. J.; Gromadzki, M.; Hartmann, D. H.; Jakobsson, P.; Killestein, T. L.; Kotak, R.; Leung, J. K.; Lyman, J. D.; Melandri, A.; Mattila, S.; McGee, S.; Morley, C.; Mukherjee, T.; Muller-Bravo, T. E.; Noysena, K.; Nuttall, L. K.; O'brien, P.; De pasquale, M.; Pignata, G.; Pollacco, D.; Pugliese, G.; Ramsay, G.; Sahu, A.; Salvaterra, R.; Schady, P.; Schneider, B.; Steeghs, D.; Starling, R. L. C.; Tsalapatas, K.; Ulaczyk, K.; van der Horst, A. J.; Wang, C.; Wiersema, K.; Worssam, I; Wortley, M. E.; Xiong, S.; Zafar, T.
errShare
errSave
The ambiguous AT2022rze: changing-look AGN mimicking a supernova in a merging galaxy system
err2025-10-01
err1
errOAAI
errPessi, P. J.; Lunnan, R.; Sollerman, J.; Yan, L.; Le Reste, A.; Yao, Y.; Nordblom, S.; Sharma, Y.; Gilfanov, M.; Sunyaev, R.; Schulze, S.; Johansson, J.; Gangopadhyay, A.; Fremling, C.; Tristram, K.; Hayes, M. J.; Fransson, C.; Hu, Y.; Brennan, S. J.; Rose, S.; De, K.; Hinds, K-r; Liu, C.; Miller, A. A.; Qin, Y-J; Charalampopoulos, P.; Gkini, A.; Graham, M. J.; Gutierrez, C. P.; Mattila, S.; Nagao, T.; Perez-Fournon, I; Poidevin, F.; Bloom, J. S.; Brugger, J.; Chen, T. X.; Kasliwal, M. M.; Masci, F. J.; Purdum, J. N.
errShare
errSave
The First Photometric Evidence of a Transient/Variable Source at z > 5 with JWST
err2025-08-22
err0
PREAI
errChrista DeCoursey; Eiichi Egami; Fengwu Sun; Arshia Akhtarkavan; Rachana Bhatawdekar; Andrew J. Bunker; David A. Coulter; Michael Engesser; Ori D. Fox; Sebastian Gomez; Kohei Inayoshi; Benjamin D. Johnson; Mitchell Karmen; Conor Larison; Xiaojing Lin; Jianwei Lyu; Seppo Mattila; Takashi J. Moriya; Justin D. R. Pierel; Dávid Puskás; Armin Rest; George H. Rieke; Brant Robertson; Sepehr Salamat; Louis-Gregory Strolger; Sandro Tacchella; Christian Vassallo; Christina C. Williams; Yossef Zenati; Junyu Zhang
errShare
errSave
The case of AT2022wtn: a tidal disruption event in an interacting galaxy
err2025-05-08
err0
errOAAI
errOnori, F.; Nicholl, M.; Ramsden, P.; McGee, S.; Roy, R.; Li, W.; Arcavi, I; Anderson, J. P.; Brocato, E.; Bronikowski, M.; Cenko, S. B.; Chambers, K.; Chen, T. W.; Clark, P.; Concepcion, E.; Farah, J.; Flammini, D.; Gonzalez-Gaitan, S.; Gromadzki, M.; Gutierrez, C. P.; Hammerstein, E.; Hinds, K. R.; Inserra, C.; Kankare, E.; Kumar, A.; Makrygianni, L.; Mattila, S.; Matilainen, K. K.; Mueller-Bravo, T. E.; Petrushevska, T.; Pignata, G.; Piranomonte, S.; Reynolds, T. M.; Stein, R.; Wang, Y.; Wevers, T.; Yao, Y.; Young, D. R.
errShare
errSave
SN 2023tsz: a helium-interaction-driven supernova in a very low-mass galaxy
err2024-12-20
err2
errOAAI
errWarwick, B.; Lyman, J.; Pursiainen, M.; Coppejans, D. L.; Galbany, L.; Jones, G. T.; Killestein, T. L.; Kumar, A.; Oates, S. R.; Ackley, K.; Anderson, J. P.; Aryan, A.; Breton, R. P.; Chen, T. W.; Clark, P.; Dhillon, V. S.; Dyer, M. J.; Gal-Yam, A.; Galloway, D. K.; Gutierrez, C. P.; Gromadzki, M.; Inserra, C.; Jimenez-Ibarra, F.; Kelsey, L.; Kotak, R.; Kravtsov, T.; Kuncarayakti, H.; Magee, M. R.; Matilainen, K.; Mattila, S.; Mueller-Bravo, T. E.; Nicholl, M.; Noysena, K.; Nuttall, L. K.; O'Brien, P.; O'Neill, D.; Palle, E.; Pessi, T.; Petrushevska, T.; Pignata, G.; Pollacco, D.; Ragosta, F.; Ramsay, G.; Sahu, A.; Sahu, D. K.; Singh, A.; Sollerman, J.; Stanway, E.; Starling, R.; Steeghs, D.; Teja, R. S.; Ulaczyk, K.
errShare
errSave
CSS 161010: A Luminous Fast Blue Optical Transient with Broad Blueshifted Hydrogen Lines
err2024-12-11
err0
errOAAI
errGutierrez, Claudia P.; Mattila, Seppo; Lundqvist, Peter; Dessart, Luc; Gonzalez-Gaitan, Santiago; Jonker, Peter G.; Dong, Subo; Coppejans, Deanne; Chen, Ping; Charalampopoulos, Panos; Elias-Rosa, Nancy; Reynolds, Thomas M.; Kochanek, Christopher; Fraser, Morgan; Pastorello, Andrea; Gromadzki, Mariusz; Neustadt, Jack; Benetti, Stefano; Kankare, Erkki; Kangas, Tuomas; Kotak, Rubina; Stritzinger, Maximilian D.; Wevers, Thomas; Zhang, Bing; Bersier, David; Bose, Subhash; Buckley, David A. H.; Dastidar, Raya; Gangopadhyay, Anjasha; Hamanowicz, Aleksandra; Kollmeier, Juna A.; Mao, Jirong; Misra, Kuntal; Potter, Stephen. B.; Prieto, Jose L.; Romero-Colmenero, Encarni; Singh, Mridweeka; Somero, Auni; Terreran, Giacomo; Vaisanen, Petri; Wyrzykowski, Lukasz
errShare
errSave
The fast transient AT 2023clx in the nearby LINER galaxy NGC 3799 as a tidal disruption of a very low-mass star
err2024-09-24
err4
errOAAI
errCharalampopoulos, P.; Kotak, R.; Wevers, T.; Leloudas, G.; Kravtsov, T.; Pursiainen, M.; Ramsden, P.; Reynolds, T. M.; Aamer, A.; Anderson, J. P.; Arcavi, I.; Cai, Y. -Z.; Chen, T. -W.; Dennefeld, M.; Galbany, L.; Gromadzki, M.; Gutierrez, C. P.; Ihanec, N.; Kangas, T.; Kankare, E.; Kool, E.; Lawrence, A.; Lundqvist, P.; Makrygianni, L.; Mattila, S.; Mueller-Bravo, T. E.; Nicholl, M.; Onori, F.; Sahu, A.; Smartt, S. J.; Sollerman, J.; Wang, Y.; Young, D. R.
errShare
errSave
The enigmatic double-peaked stripped-envelope SN 2023aew
err2024-09-13
err1
errOAAI
errKangas, T.; Kuncarayakti, H.; Nagao, T.; Kotak, R.; Kankare, E.; Fraser, M.; Stevance, H.; Mattila, S.; Maeda, K.; Stritzinger, M.; Lundqvist, P.; Elias-Rosa, N.; Ferrari, L.; Folatelli, G.; Frohmaier, C.; Galbany, L.; Kawabata, M.; Koutsiona, E.; Mueller-Bravo, T. E.; Piscarreta, L.; Pursiainen, M.; Singh, A.; Taguchi, K.; Teja, R. S.; Valerin, G.; Pastorello, A.; Benetti, S.; Cai, Y. -z.; Charalampopoulos, P.; Gutierrez, C. P.; Kravtsov, T.; Reguitti, A.
errShare
errSave
Kilonova Seekers: the GOTO project for real-time citizen science in time-domain astrophysics
err2024-08-27
err0
errOAAI
errKillestein, T. L.; Kelsey, L.; Wickens, E.; Nuttall, L.; Lyman, J.; Krawczyk, C.; Ackley, K.; Dyer, M. J.; Jimenez-Ibarra, F.; Ulaczyk, K.; O'Neill, D.; Kumar, A.; Steeghs, D.; Galloway, D. K.; Dhillon, V. S.; O'Brien, P.; Ramsay, G.; Noysena, K.; Kotak, R.; Breton, R. P.; Palle, E.; Pollacco, D.; Awiphan, S.; Belkin, S.; Chote, P.; Clark, P.; Coppejans, D.; Duffy, C.; Eyles-Ferris, R.; Godson, B.; Gompertz, B.; Graur, O.; Irawati, P.; Jarvis, D.; Julakanti, Y.; Kennedy, M. R.; Kuncarayakti, H.; Levan, A.; Littlefair, S.; Magee, M.; Mandhai, S.; Sanchez, D. Mata; Mattila, S.; Mccormac, J.; Mullaney, J.; Munday, J.; Patel, M.; Pursiainen, M.; Rana, J.; Sawangwit, U.; Stanway, E.; Starling, R.; Warwick, B.; Wiersema, K.
errShare
errSave
Red eminence: The intermediate-luminosity red transient AT 2022fnm
err2024-08-15
err2
errOAAI
errMoran, S.; Kotak, R.; Fraser, M.; Pastorello, A.; Cai, Y. -z.; Valerin, G.; Mattila, S.; Cappellaro, E.; Kravtsov, T.; Gutierrez, C. P.; Elias-Rosa, N.; Reguitti, A.; Lundqvist, P.; Filippenko, A. V.; Brink, T. G.; Wang, X. -f.
errShare
errSave
Evidence for bipolar explosions in Type IIP supernovae
err2024-07-15
err3
errOAAI
errNagao, T.; Maeda, K.; Mattila, S.; Kuncarayakti, H.; Kawabata, M.; Taguchi, K.; Nakaoka, T.; Cikota, A.; Bulla, M.; Vasylyev, S. S.; Gutierrez, C. P.; Yamanaka, M.; Isogai, K.; Uno, K.; Ogawa, M.; Inutsuka, S.; Tsurumi, M.; Imazawa, R.; Kawabata, K. S.
errShare
errSave
Light-curve Structure and Hα Line Formation in the Tidal Disruption Event AT 2019azh
err2024-07-04
err1
errOAAI
errFaris, Sara; Arcavi, Iair; Makrygianni, Lydia; Hiramatsu, Daichi; Terreran, Giacomo; Farah, Joseph; Howell, D. Andrew; McCully, Curtis; Newsome, Megan; Gonzalez, Estefania Padilla; Pellegrino, Craig; Bostroem, K. Azalee; Abojanb, Wiam; Lam, Marco C.; Tomasella, Lina; Brink, Thomas G.; Filippenko, Alexei V.; French, K. Decker; Clark, Peter; Graur, Or; Leloudas, Giorgos; Gromadzki, Mariusz; Anderson, Joseph P.; Nicholl, Matt; Gutierrez, Claudia P.; Kankare, Erkki; Inserra, Cosimo; Galbany, Lluis; Reynolds, Thomas; Mattila, Seppo; Heikkila, Teppo; Wang, Yanan; Onori, Francesca; Wevers, Thomas; Coughlin, Eric R.; Charalampopoulos, Panos; Johansson, Joel
errShare
errSave
Narrow absorption lines from intervening material in supernovae I. Measurements and temporal evolution
err2024-07-02
err1
errOAAI
errGonzalez-Gaitan, Santiago; Gutierrez, Claudia P.; Anderson, Joseph P.; Morales-Garoffolo, Antonia; Galbany, Lluis; Goswami, Sabyasachi; Mourao, Ana M.; Mattila, Seppo; Sullivan, Mark
errShare
errSave
SN 2020pvb: A Type IIn-P supernova with a precursor outburst
err2024-05-24
err2
errOAAI
errElias-Rosa, N.; Brennan, S. J.; Benetti, S.; Cappellaro, E.; Pastorello, A.; Kozyreva, A.; Lundqvist, P.; Fraser, M.; Anderson, J. P.; Cai, Y. -Z.; Chen, T. -w.; Dennefeld, M.; Gromadzki, M.; Gutierrez, C. P.; Ihanec, N.; Inserra, C.; Kankare, E.; Kotak, R.; Mattila, S.; Moran, S.; Mueller-Bravo, T. E.; Pessi, P. J.; Pignata, G.; Reguitti, A.; Reynolds, T. M.; Smartt, S. J.; Smith, K.; Tartaglia, L.; Valerin, G.; de Boer, T.; Chambers, K.; Gal-Yam, A.; Gao, H.; Geier, S.; Mazzali, P. A.; Nicholl, M.; Ragosta, F.; Rest, A.; Yaron, O.; Young, D. R.
errShare
errSave
Observations of type Ia supernova SN 2020nlb up to 600 days after explosion, and the distance to M85
err2024-05-16
err0
errOAAI
errWilliams, S. C.; Kotak, R.; Lundqvist, P.; Mattila, S.; Mazzali, P. A.; Pastorello, A.; Reguitti, A.; Stritzinger, M. D.; Fiore, A.; Hook, I. M.; Moran, S.; Salmaso, I.
errShare
errSave
Time-varying double-peaked emission lines following the sudden ignition of the dormant galactic nucleus AT2017bcc
err2024-04-27
err2
errOAAI
errRidley, E. J.; Nicholl, M.; Ward, C. A.; Blanchard, P. K.; Chornock, R.; Fraser, M.; Gomez, S.; Mattila, S.; Oates, S. R.; Pratten, G.; Runnoe, J. C.; Schmidt, P.; Alexander, K. D.; Gromadzki, M.; Lawrence, A.; Reynolds, T. M.; Smith, K. W.; Wyrzykowski, L.; Aamer, A.; Anderson, J. P.; Benetti, S.; Berger, E.; de Boer, T.; Chambers, K. C.; Chen, T. -W; Gao, H.; Gutierrez, C. P.; Inserra, C.; Kangas, T.; Leloudas, G.; Magnier, E. A.; Makrygianni, L.; Moore, T.; Mueller-Bravo, T. E.; Smartt, S. J.; Sokolovsky, K., V; Wainscoat, R.; Young, D. R.
errShare
errSave
Supernova environments in J-PLUS
err2024-04-09
err1
errOAAI
errGonzalez-Diaz, Raul; Galbany, Lluis; Kangas, Tuomas; Garcia-Benito, Ruben; Anderson, Joseph P.; Lyman, Joseph; Varela, Jesus; Oltra, Lamberto; Garcia, Rafael Logrono; Rojo, Gonzalo Vilella; Lopez-Sanjuan, Carlos; Perez-Torres, Miguel Angel; Rosales-Ortega, Fabian; Mattila, Seppo; Kuncarayakti, Hanindyo; James, Phil; Habergham, Stacey; Vilchez, Jose Manuel; Alcaniz, Jailson; Angulo, Raul E.; Cenarro, Javier; Cristobal-Hornillos, David; Dupke, Renato; Ederoclite, Alessandro; Hernandez-Monteagudo, Carlos; Marin-Franch, Antonio; Moles, Mariano; Sodre Jr, Laerte; Ramio, Hector Vazquez
errShare
errSave
The metamorphosis of the Type Ib SN 2019yvr: late-time interaction
err2023-12-28
err1
errOAAI
errFerrari, Lucia; Folatelli, Gaston; Kuncarayakti, Hanindyo; Stritzinger, Maximilian; Maeda, Keiichi; Bersten, Melina; Roman Aguilar, Lili M.; Saez, M. Manuela; Dessart, Luc; Lundqvist, Peter; Mazzali, Paolo; Nagao, Takashi; Ashall, Chris; Bose, Subhash; Brennan, Sean J.; Cai, Yongzhi; Handberg, Rasmus; Holmbo, Simon; Karamehmetoglu, Emir; Pastorello, Andrea; Reguitti, Andrea; Anderson, Joseph; Chen, Ting-Wan; Galbany, Lluis; Gromadzki, Mariusz; Gutierrez, Claudia P.; Inserra, Cosimo; Kankare, Erkki; Mueller Bravo, Tomas E.; Mattila, Seppo; Nicholl, Matt; Pignata, Giuliano; Sollerman, Jesper; Srivastav, Shubham; Young, David R.
errShare
errSave