Katja Matilainen

- Doctoral Researcher,
Tuorla Observatory (Department of Physics and Astronomy)

katja.matilainen@utu.fi

Publications

1 of 2

Eruptive mass loss less than a year before the explosion of superluminous supernovae: I. The cases of SN 2020xga and SN 2022xgc (2025)
- Astronomy and Astrophysics
Gkini, A.; Fransson, C.; Lunnan, R.; Schulze, S.; Poidevin, F.; Sarin, N.; Koenyves-Toth, R.; Sollerman, J.; Omand, C. M. B.; Brennan, S. J.; Hinds, K. R.; Anderson, J. P.; Bronikowski, M.; Chen, T. -w.; Dekany, R.; Fraser, M.; Fremling, C.; Galbany, L.; Gal-Yam, A.; Gangopadhyay, A.; Geier, S.; Gonzalez, E. P.; Gromadzki, M.; Groom, S. L.; Gutierrez, C. P.; Hiramatsu, D.; Howell, D. A.; Hu, Y.; Inserra, C.; Kopsacheili, M.; Lacroix, L.; Masci, F. J.; Matilainen, K.; Mccully, C.; Moore, T.; Muller-Bravo, T. E.; Nicholl, M.; Pellegrino, C.; Perez-Fournon, I.; Perley, D. A.; Pessi, P. J.; Petrushevska, T.; Pignata, G.; Ragosta, F.; Sahu, A.; Singh, A.; Srivastav, S.; Wise, J. L.; Yan, L.; Young, D. R.
(A1 Refereed original research article in a scientific journal)
SN 2023tsz: a helium-interaction-driven supernova in a very low-mass galaxy (2025)
- Monthly Notices of the Royal Astronomical Society
Warwick, 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.
(A1 Refereed original research article in a scientific journal)
The diversity of strongly interacting Type IIn supernovae (2025)
- Astronomy and Astrophysics
Salmaso, I.; Cappellaro, E.; Tartaglia, L.; Anderson, J. P.; Benetti, S.; Bronikowski, M.; Cai, Y. Z.; Charalampopoulos, P.; Chen, T. -w.; Concepcion, E.; Elias-Rosa, N.; Galbany, L.; Gromadzki, M.; Gutierrez, C. P.; Kankare, E.; Lundqvist, P.; Matilainen, K.; Mazzali, P. A.; Moran, S.; Mueller-Bravo, T. E.; Nicholl, M.; Pastorello, A.; Pessi, P. J.; Pessi, T.; Petrushevska, T.; Pignata, G.; Reguitti, A.; Sollerman, J.; Srivastav, S.; Stritzinger, M.; Tomasella, L.; Valerin, G.
(A1 Refereed original research article in a scientific journal)
ePESSTO+ spectroscopic classification of optical transients #2024-144 (2024) Transient name server: AstroNote Matilainen, K.; Vassallo, C.; Kravtsov, T.; Killestein, T.; Kuncarayakti, H.; Koivisto, N.; Reguitti, A.; Galbany, L.; Petrushevska, T.; Anderson, J.; Chen, T.W.; Gromadzki, M.; Inserra, C.; Kankare, E.; Bravo, T.M.; Nicholl, M.; Yaron, O.; Young, D.; Tonry, J.; Denneau, L.; Weiland, H.; Lawrence, A.; Siverd, R.; Erasmus, N.; Koorts, W.; Jordan, A.; Suc, V.; Smartt, S.J.; Smith, K.W.; Srivastav, S.; Fulton, M.; McCollum, M.; Moore, T.; Weston, J.; Shingles, L.; Rhodes, L.; Sommer, J.; Rest, A.; Stubbs, C.
(D2 Article in a professional compilation book)
ePESSTO+ spectroscopic classification of optical transients #2024-145 (2024) Transient name server: AstroNote Vassallo, C.; Matilainen, K.; Kravtsov, T.; Killestein, T.; Kuncarayakti, H.; Koivisto, N.; Reguitti, A.; Galbany, L.; Petrushevska, T.; Anderson, J.; Chen, T.W.; Gromadzki, M.; Inserra, C.; Kankare, E.; Bravo, T.M.; Nicholl, M.; Yaron, O.; Young, D.; Tonry, J.; Denneau, L.; Weiland, H.; Lawrence, A.; Siverd, R.; Erasmus, N.; Koorts, W.; Jordan, A.; Suc, V.; Smartt, S.J.; Smith, K.W.; Srivastav, S.; Fulton, M.; McCollum, M.; Moore, T.; Weston, J.; Shingles, L.; Rhodes, L.; Sommer, J.; Rest, A.; Stubbs, C.
(D2 Article in a professional compilation book)
ePESSTO+ spectroscopic classification of optical transients #2024-146 (2024) Transient name server: AstroNote Kravtsov, T.; Matilainen, K.; Vassallo, C.; Kuncarayakti, H.; Killestein, T.; Koivisto, N.; Reguitti, A.; Galbany, L.; Petrushevska, T.; Anderson, J.; Chen, T. W.; Gromadzki, M.; Inserra, C.; Kankare, E.; Bravo, T. M.; Nicholl, M.; Yaron, O.; Young, D.; Tonry, J.; Denneau, L.; Weiland, H.; Lawrence, A.; Siverd, R.; Erasmus, N.; Koorts, W.; Jordan, A.; Suc, V.; Smartt, S. J.; Smith, K. W.; Srivastav, S.; Fulton, M.; McCollum, M.; Moore, T.; Weston, J.; Shingles, L.; Rhodes, L.; Sommer, J.; Rest, A.; Stubbs, C.
(D2 Article in a professional compilation book)
ePESSTO+ spectroscopic classification of optical transients #2024-147 (2024) Transient name server: AstroNote Matilainen, K.; Vassallo, C.; Kravtsov, T.; Koivisto, N.; Kuncarayakti, H.; Killestein, T.; Reguitti, A.; Galbany, L.; Petrushevska, T.; Arcavi, I.; Anderson, J.; Chen, T. W.; Gromadzki, M.; Inserra, C.; Kankare, E.; Bravo, T. M.; Nicholl, M.; Yaron, O.; Young, D.; Tonry, J.; Denneau, L.; Weiland, H.; Lawrence, A.; Siverd, R.; Erasmus, N.; Koorts, W.; Jordan, A.; Suc, V.; Smartt, S. J.; Smith, K. W.; Srivastav, S.; Fulton, M.; McCollum, M.; Moore, T.; Weston, J.; Shingles, L.; Rhodes, L.; Sommer, J.; Rest, A.; Stubbs, C.; Chambers, K. C.; Huber, M.; Schultz, A.; Boer, T. D.; Bulger, J.; Fairlamb, J.; Lin, C. C.; Lowe, T.; Magnier, E.; Minguez, P.; Wainscoat, R. J.; Gao, H.
(D2 Article in a professional compilation book)
ePESSTO+ spectroscopic classification of optical transients #2024-149 (2024) Transient name server: AstroNote Vassallo, C.; Matilainen, K.; Charalampopoulos, P.; Killestein, T.; Koivisto, N.; Kuncarayakti, H.; Pessi, P. J.; Sheng, X.; Concepcion, E.; Anderson, J.; Chen, T. W.; Gromadzki, M.; Inserra, C.; Kankare, E.; Bravo, T. M.; Nicholl, M.; Yaron, O.; Young, D.
(D2 Article in a professional compilation book)
ePESSTO+ spectroscopic classification of optical transients #2024-151 (2024) Transient name server: AstroNote Matilainen, K.; Vassallo, C.; Charalampopoulos, P.; Killestein, T.; Koivisto, N.; Kuncarayakti, H.; Pessi, P. J.; Sheng, X.; Concepcion, E.; Fulton, M.; Anderson, J.; Chen, T. W.; Gromadzki, M.; Inserra, C.; Kankare, E.; Bravo, T. M.; Nicholl, M.; Yaron, O.; Young, D.; Smartt, S. J.; Smith, K. W.; Srivastav, S.; Chambers, K. C.; Huber, M.; Schultz, A.; Boer, T. D.; Bulger, J.; Fairlamb, J.; Lin, C. C.; Lowe, T.; Magnier, E.; Minguez, P.; Wainscoat, R. J.; Gao, H.; Rest, A.; Stubbs, C.
(D2 Article in a professional compilation book)
ePESSTO+ Transient Classification Report for 2024-06-01 #2024-1758 (2024) Transient name server Classification report Matilainen, K.; Vassallo, C.; Kravtsov, T.; Killestein, T.; Kuncarayakti, H.; Koivisto, N.; Charalamopopoulos, P.; Yaron, O.; on behalf of ePESSTO+
(D2 Article in a professional compilation book)
ePESSTO+ Transient Classification Report for 2024-06-01 #2024-1759 (2024) Transient name server Classification report Matilainen, K.; Vassallo, C.; Kravtsov, T.; Killestein, T.; Kuncarayakti, H.; Yaron, O.; on behalf of ePESSTO+
(D2 Article in a professional compilation book)
ePESSTO+ Transient Classification Report for 2024-06-01 #2024-1760 (2024) Transient name server Classification report Matilainen, K.; Vassallo, C.; Kravtsov, T.; Killestein, T.; Kuncarayakti, H.; Charalampopoulos, P.; Koivisto, N.; Yaron, O.; on behalf of ePESSTO+
(D2 Article in a professional compilation book)
ePESSTO+ Transient Classification Report for 2024-06-02 #2024-1772 (2024) Transient name server Classification report Kravtsov, T.; Vassallo, C.; Matilainen, K.; Kuncarayakti, H.; Killestein, T.; Koivisto, N.; Yaron, O.; on behalf of ePESSTO+
(D2 Article in a professional compilation book)
ePESSTO+ Transient Classification Report for 2024-06-03 #2024-1781 (2024) Transient name server Classification report Matilainen, K.; Vassallo, C.; Kravtsov, T.; Killestein, T.; Charalampopoulos, P.; Koivisto, N.; Kuncarayakti, H.; Yaron, O.; on behalf of ePESSTO+
(D2 Article in a professional compilation book)
ePESSTO+ Transient Classification Report for 2024-06-07 #2024-1839 (2024) Transient name server Classification report Matilainen, K.; Vassallo, C.; Killestein, T.; Charalampopoulos, P.; Koivisto, N.; Yaron, O.; on behalf of ePESSTO+
(D2 Article in a professional compilation book)
ePESSTO+ Transient Classification Report for 2024-06-08 #2024-1850 (2024) Transient name server Classification report Matilainen, K.; Vassallo, C.; Killestein, T.; Charalampopoulos, P.; Koivisto, N.; Yaron, O.; on behalf of ePESSTO+
(D2 Article in a professional compilation book)
NOT spectroscopic classification of optical transients #2024-311 (2024) Transient Name Server: AstroNote Peteri, S.; Hanif, A.; Koskinen, J.; Kravtsov, T.; Kangas, T.; Kankare, E.; Matilainen, K.; Koivisto, N.
(D2 Article in a professional compilation book)
NUTS Transient Classification Report for 2024-04-21 #2024-1169 (2024) Transient Name Server Classification Report Kankare, E.; Charalampopoulos, P.; Kotak, R.; Matilainen, K.; Mattila, S.; Reynolds, T.; Sollerman, J.; Stritzinger, M.
(D2 Article in a professional compilation book)
NUTS Transient Classification Report for 2024-12-31 #2024-5175 (2024) Transient Name Server Classification Report Kankare, E.; Matilainen, K.; Charalampopoulos, P.; Kangas, T.; Killestein, T.; Kotak, R.; Kuncarayakti, H.; Mattila, S.; Cai, Y. Z.; Elias-Rosa, N.; Fraser, M.; Reynolds, T.; Stritzinger, M.; Valerin, G.
(D2 Article in a professional compilation book)
Transient Classification Report for 2024-10-25 #2024-4154 (2024) Transient Name Server Classification Report Hanif, A.; Koskinen, J.; Peteri, S.; Kravtsov, T.; Kangas, T.; Kankare, E.; Matilainen, K.; Koivisto, N.
(D2 Article in a professional compilation book)