Niilo Koivisto
 


niilo.e.koivisto@utu.fi

Publications
  
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  • Advancing the accuracy in age determinations of old-disk stars using an oscillating red giant in an eclipsing binary  (2025)  
    • Astronomy and Astrophysics
     Thomsen, J. S.; Miglio, A.; Brogaard, K.; Montalbán, J.; Tailo, M.; van Rossem, W. E.; Casali, G.; Jones, D.; Arentoft, T.; Casagrande, L.; Sebastian, D.; Buldgen, G.; Triaud, A. H. M. J.; Matteuzzi, M.; Stokholm, A.; Lund, M. N.; Mosser, B.; Maxted, P. F. L.; Southworth, J.; Gadeberg, J. T.; Koivisto, N.; Gray, Z.; Pinter, V.; Matilainen, K.; Djupvik, A. A.; Jessen-Hansen, J.; Grundahl, F.; Slumstrup, D.; Frandsen, S.
    (    A1 Refereed original research article in a scientific journal)


  • A real-time search for Type Ia Supernovae with late-time interactions with circumstellar material in ZTF data  (2025)  
    • Astronomy and Astrophysics
     Terwel, Jacco H.; Maguire, Kate; Brennan, Sean J.; Galbany, Lluis; Reusch, Simeon; Schulze, Steve; Koivisto, Niilo; Pursimo, Tapio; Grund Sorensen, Samuel; Diaz Teodori, Maria Alejandra; Guldberg Theil, Astrid; Turkki, Mikael; Muller-Bravo, Tomas E.; Burgaz, Umut; Kim, Young-Lo; Bloom, Joshua S.; Graham, Matthew J.; Kasliwal, Mansi M.; Kulkarni, Shri R.; Masci, Frank J.; Purdum, Josiah; Pyshna, Oleksandra; Wold, Avery
    (    A1 Refereed original research article in a scientific journal)


  • The Double Tidal Disruption Event AT 2022dbl Implies that at Least Some “Standard” Optical Tidal Disruption Events Are Partial Disruptions2025
    • Astrophysical Journal Letters
     Makrygianni, Lydia; Arcavi, Iair; Newsome, Megan; Bandopadhyay, Ananya; Coughlin, Eric R.; Linial, Itai; Mockler, Brenna; Quataert, Eliot; Nixon, Chris; Godson, Benjamin; Pursiainen, Miika; Leloudas, Giorgos; French, K. Decker; Zitrin, Adi; Faris, Sara; Lam, Marco C.; Horesh, Assaf; Sfaradi, Itai; Fausnaugh, Michael; Nakar, Ehud; Ackley, Kendall; Andrews, Moira; Charalampopoulos, Panos; Davies, Benjamin D. R.; Dgany, Yael; Dyer, Martin J.; Farah, Joseph; Fender, Rob; Green, David A.; Howell, D. Andrew; Killestein, Thomas; Koivisto, Niilo; Lyman, Joseph; McCully, Curtis; Mitchell, Morgan A.; Padilla, Gonzalez Estefania; Rhodes, Lauren; Sahu, Anwesha; Terreran, Giacomo; Warwick, Ben
    (    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+ spectroscopic classification of optical transients #2024-293  (2024)  Transient name server: AstroNote Humina, C.; Kravtsov, T.; Vassallo, C.; Pyykkinen, N.; Koivisto, N.; Hu, Y.; Reguitti, A.; Gkini, A.; Sollerman, J.; Anderson, J.; Chen, T. W.; Gromadzki, M.; Inserra, C.; Kankare, E.; Bravo, T. M.; Nicholl, M.; Yaron, O.; Young, D.; Zimmerman, E.; 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.; Young, D. R.; Fulton, M.; McCollum, M.; Moore, T.; Nicholl, M.; Weston, J.; Shingles, L.; Rhodes, L.; Sommer, J.; Rest, A.; Chen, T. W.; Stubbs, C.
    (    D2 Article in a professional compilation book)


  •   (2024)  Transient name server: AstroNote Kravtsov, T.; Humina, C.; Koivisto, N.; Vassallo, C.; Pyykkinen, N.; Hu, Y.; Reguitti, A.; Gkini, A.; Zimmerman, E.; Valerin, G.; 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.; Young, D. R.; Fulton, M.; McCollum, M.; Moore, T.; Nicholl, M.; Weston, J.; Shingles, L.; Rhodes, L.; Sommer, J.; Rest, A.; Chen, T. W.; 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)


  •   (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 #2024-1850Transient Classification Report for 2024-10-25 #2024-4155  (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)


  • 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)


  •   (2024)  Transient Name Server Classification Report Hamza, S.; Salganik, A.; Viherto, H.; Kravtsov, T.; Kangas, T.; Kankare, E.; Turkki, M.; Koivisto, N.
    (    D2 Article in a professional compilation book)


  • NOT spectroscopic observations of optical transients #2023-282  (2023)  Transient Name Server: AstroNote Ojanperä M, Kankaanpää H, Kaseva M, Kelder K, Nitindala A, Charalampopoulos P, Humina C, Kangas T, Matilainen K, Fedorets G, Koivisto N, Gadeberg JT, Kankare E, Mattila M
    (    D2 Article in a professional compilation book)



Last updated on 2023-12-07 at 12:15