Teppo Heikkilä - UTU Research Portal

Teppo Heikkilä

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

ttheik@utu.fi

ORCID identifier: https://orcid.org/0000-0002-7845-8965

Publications

1 of 2

A study in scarlet. II. Spectroscopic properties of a sample of intermediate-luminosity red transients (2025)
- Astronomy and Astrophysics
Valerin, G.; Pastorello, A.; Mason, E.; Reguitti, A.; Benetti, S.; Cai, Y.-Z.; Chen, T.-W.; Eappachen, D.; Elias-Rosa, N.; Fraser, M.; Gangopadhyay, A.; Hsiao, E.; Howell, D.; Inserra, C.; Izzo, L.; Jencson, J.; Kankare, E.; Kotak, R.; Lundqvist, P.; Mazzali, P.; Misra, K.; Pignata, G.; Prentice, S.; Sand, D.; Smartt, S.; Stritzinger, M.; Tartaglia, L.; Valenti, S.; Anderson, J.; Andrews, J.; Amaro, R.; Barbarino, C.; Brennan, S.; Bufano, F.; Callis, E.; Cappellaro, E.; Dastidar, R.; Della, Valle; Fiore, A.; Fulton, M.; Galbany, L.; Gromadzki, M.; Heikkilä, T.; Hiramatsu, D.; Karamehmetoglu, E.; Kuncarayakti, H.; Leloudas, G.; Limongi, M.; Lundquist, M.; McCully, C.; Müller-Bravo, T.; Nicholl, M.; Ochner, P.; Padilla, Gonzalez; Paraskeva, E.; Pellegrino, C.; Rau, A.; Reichart, D.; Reynolds, T.; Roy, R.; Salmaso, I.; Shahbandeh, M.; Singh, M.; Sollerman, J.; Turatto, M.; Tomasella, L.; Wyatt, S.; Young, D.
(A1 Refereed original research article in a scientific journal)
A study in scarlet I. Photometric properties of a sample of intermediate-luminosity red transients (2025)
- Astronomy and Astrophysics
Valerin, G.; Pastorello, A.; Reguitti, A.; Benetti, S.; Cai, Y.-Z.; Chen, T.-W.; Eappachen, D.; Elias-Rosa, N.; Fraser, M.; Gangopadhyay, A.; Hsiao E., Y.; Howell D., A.; Inserra, C.; Izzo, L.; Jencson, J.; Kankare, E.; Kotak, R.; Mazzali P., A.; Misra, K.; Pignata, G.; Prentice S., J.; Sand D., J.; Smartt S., J.; Stritzinger M., D.; Tartaglia, L.; Valenti, S.; Anderson J., P.; Andrews J., E.; Amaro R., C.; Brennan, S.; Bufano, F.; Callis, E.; Cappellaro, E.; Dastidar, R.; Della Valle, M.; Fiore, A.; Fulton M., D.; Galbany, L.; Heikkilä, T.; Hiramatsu, D.; Karamehmetoglu, E.; Kuncarayakti, H.; Leloudas, G.; Lundquist, M.; McCully, C.; Müller-Bravo T., E.; Nicholl, M.; Ochner, P.; Padilla Gonzalez, E.; Paraskeva, E.; Pellegrino, C.; Rau, A.; Reichart D., E.; Reynolds T., M.; Roy, R.; Salmaso, I.; Singh, M.; Turatto, M.; Tomasella, L.; Wyatt, S.; Young D., R.
(A1 Refereed original research article in a scientific journal)
GRB 230911A: The First Discovery of a Fermi GRB Optical Counterpart with the Gravitational-wave Optical Transient Observer (GOTO) (2024)
- Research Notes of the AAS
Belkin, S.; Gompertz, B. P.; Kumar, A.; Ackley, K.; Galloway, D. K.; Jiménez-Ibarra, F.; Killestein, T. L.; O’Neill, D.; Wiersema, K.; Malesani, D. B.; Levan, A. J.; Lyman, J.; Dyer, M. J.; Ulaczyk, K.; Steeghs, D.; Dhillon, V. S.; O’Brien, P.; Ramsay, G.; Noysena, K.; Kotak, R.; Breton, R. P.; Nuttall, L. K.; Pallé, E.; Pollacco, D.; Awiphan, S.; Burhanudin, U.; Chote, P.; Chrimes, A.; Daw, E.; Duffy, C.; Eyles-Ferris, R.; Godson, B.; Heikkilä, T.; Irawati, P.; Kelsey, L.; Kennedy, M. R.; Littlefair, S.; Makrygianni, L.; Marsh, T.; Mata Sánchez, D.; Mattila, S.; Maund, J.; McCormac, J.; Mkrtichian, D.; Mullaney, J.; Patel, M.; Rana, J.; Rol, E.; Sawangwit, U.; Stanway, E.; Starling, R.; Strøm, P. A.; Warwick, B.
(B1 Other refereed article (e.g., editorial, letter, comment) in a scientific journal)
Light-curve Structure and Hα Line Formation in the Tidal Disruption Event AT 2019azh (2024)
- Astrophysical Journal
Faris, Sara; Arcavi, Iair; Makrygianni, Lydia; Hiramatsu, Daichi; Terreran, Giacomo; Farah, Joseph; Howell, D. Andrew; McCully, Curtis; Newsome, Megan; Padilla Gonzalez, Estefania; 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; Gutiérrez, Claudia P.; Kankare, Erkki; Inserra, Cosimo; Galbany, Lluís; Reynolds, Thomas; Mattila, Seppo; Heikkilä, Teppo; Wang, Yanan; Onori, Francesca; Wevers, Thomas; Coughlin, Eric R.; Charalampopoulos, Panos; Johansson, Joel
(A1 Refereed original research article in a scientific journal)
Self-supervised clustering on image-subtracted data with deep-embedded self-organizing map (2023)
- Monthly Notices of the Royal Astronomical Society
Mong Y-L, Ackley K, Killestein T L, Galloway D K, Vassallo C, Dyer M, Cutter R, Brown M J I, Lyman J, Ulaczyk K, Steeghs D, Dhillon V, O’Brien P, Ramsay G, Noysena K, Kotak R, Breton R, Nuttall L, Pallé E, Pollacco D, Thrane E, Awiphan S, Burhanudin U, Chote P, Chrimes A, Daw E, Duffy C, Eyles-Ferris R, Gompertz B P, Heikkilä T, Irawati P, Kennedy M, Levan A, Littlefair S, Makrygianni L, Marsh T, Mata Sánchez D, Mattila S, Maund J R, McCormac J, Mkrtichian D, Mullaney J, Rol E, Sawangwit U, Stanway E, Starling R, Strøm P, Tooke S, Wiersema K
(A1 Refereed original research article in a scientific journal)
The Gravitational-wave Optical Transient Observer (GOTO): Prototype performance and prospects for transient science (2022)
- Monthly Notices of the Royal Astronomical Society
Steeghs D., Galloway D.K., Ackley K., Dyer M.J., Lyman J., Ulaczyk K., Cutter R., Mong Y.L., Dhillon V., O'Brien P., Ramsay G., Poshyachinda S., Kotak Rubina., Nuttall L.K., Pallé E., Breton R.P., Pollacco D., Thrane E., Aukkaravittayapun S., Awiphan S., Burhanudin U., Chote P., Chrimes A., Daw E., Duffy C., Eyles-Ferris R., Gompertz B., Heikkilä Teppo, Irawati P., Kennedy M.R., Killestein T., Kuncarayakti Hanindyo, Levan A.J., Littlefair S., Makrygianni L., Marsh T., Mata-Sanchez D., Mattila Seppo, Maund J., McCormac J., Mkrtichian D., Mullaney J., Noysena K., Patel M., Rol E., Sawangwit U., Stanway E.R., Starling R., Strøm P., Tooke S., West R., White D.J., Wiersema K.
(A1 Refereed original research article in a scientific journal)
Light-curve classification with recurrent neural networks for GOTO: dealing with imbalanced data (2021)
- Monthly Notices of the Royal Astronomical Society
Burhanudin UF, Maund JR, Killestein T, Ackley K, Dyer MJ, Lyman J, Ulaczyk K, Cutter R, Mong YL, Steeghs D, Galloway DK, Dhillon V, O'Brien P, Ramsay G, Noysena K, Kotak R, Breton RP, Nuttall L, Palle E, Pollacco D, Thrane E, Awiphan S, Chote P, Chrimes A, Daw E, Duffy C, Eyles-Ferris R, Gompertz B, Heikkila T, Irawati P, Kennedy MR, Levan A, Littlefair S, Makrygianni L, Mata-Sanchez D, Mattila S, McCormac J, Mkrtichian D, Mullaney J, Sawangwit U, Stanway E, Starling R, Strom P, Tooke S, Wiersema K
(A1 Refereed original research article in a scientific journal)
Processing GOTO data with the Rubin Observatory LSST Science Pipelines I: Production of coadded frames (2021)
- Publications of the Astronomical Society of Australia
Mullaney J. R., Makrygianni L., Dhillon V., Littlefair S., Ackley K., Dyer M., Lyman J., Ulaczyk K., Cutter R., Mong Y.-L., Steeghs D., Galloway D. K., O’Brien P., Ramsay G., Poshyachinda S., Kotak R., Nuttall L., Pallé E., Pollacco D., Thrane E., Aukkaravittayapun S., Awiphan S., Breton R., Burhanudin U., Chote P., Chrimes A., Daw E., Duffy C., Eyles-Ferris R., Gompertz B., Heikkilä T., Irawati P., Kennedy M., Killestein T., Levan A., Marsh T., Mata-Sanchez D., Mattila S., Maund J., McCormac J., Mkrtichian D., Rol E., Sawangwit U., Stanway E., Starling R., Tooke S., Wiersema K.
(A1 Refereed original research article in a scientific journal)
Processing GOTO survey data with the Rubin Observatory LSST Science Pinelines II: Forced Photometry and lightcurves (2021)
- Publications of the Astronomical Society of Australia
Makrygianni L, Mullaney J, Dhillon V, Littlefair S, Ackley K, Dyer MJ, Lyman J, Ulaczyk K, Cutter R, Mong YL, Steeghs D, Galloway DK, O'Brien P, Ramsay G, Poshyachinda S, Kotak R, Nuttall L, Palle E, Pollacco D, Thrane E, Aukkaravittayapun S, Awiphan S, Breton RP, Burhanudin U, Chote P, Chrimes A, Daw E, Duffy C, Eyles-Ferris R, Gompertz B, Heikkila T, Irawati P, Kennedy M, Killestein T, Levan A, Marsh T, Mata-Sanchez D, Mattila S, Maund J, McCormac J, Mkrtichian D, Rol E, Sawangwit U, Stanway E, Starling R, Strom PA, Tooke S, Wiersema K
(A1 Refereed original research article in a scientific journal)
Searching for Fermi GRB optical counterparts with the prototype Gravitational-wave Optical Transient Observer (GOTO) (2021)
- Monthly Notices of the Royal Astronomical Society
Mong Y.L., Ackley K., Galloway D.K., Dyer M., Cutter R., Brown M.J.I., Lyman J., Ulaczyk K., Steeghs D., Dhillon V., O'Brien P., Ramsay G., Noysena K., Kotak R., Breton R., Nuttall L., Pallé E., Pollacco D., Thrane E., Awiphan S., Burhanudin U., Chote P., Chrimes A., Daw E., Duffy C., Eyles-Ferris R., Gompertz B., Heikkilä T., Irawati P., Kennedy M., Killestein T., Levan A., Littlefair S., Makrygianni L., Marsh T., Mata-Sanchez D., Mattila S., Maund J., McCormac J., Mkrtichian D., Mullaney J., Rol E., Sawangwit U., Stanway E., Starling R., Strøm P., Tooke S., Wiersema K.
(A1 Refereed original research article in a scientific journal)
Transient-optimized real-bogus classification with Bayesian convolutional neural networks - sifting the GOTO candidate stream (2021)
- Monthly Notices of the Royal Astronomical Society
Killestein TL, Lyman J, Steeghs D, Ackley K, Dyer MJ, Ulaczyk K, Cutter R, Mong YL, Galloway DK, Dhillon V, O'Brien P, Ramsay G, Poshyachinda S, Kotak R, Breton RP, Nuttall LK, Palle E, Pollacco D, Thrane E, Aukkaravittayapun S, Awiphan S, Burhanudin U, Chote P, Chrimes A, Daw E, Duffy C, Eyles-Ferris R, Gompertz B, Heikkila T, Irawati P, Kennedy MR, Levan A, Littlefair S, Makrygianni L, Sanchez DM, Mattila S, Maund J, McCormac J, Mkrtichian D, Mullaney J, Rol E, Sawangwit U, Stanway E, Starling R, Strom PA, Tooke S, Wiersema K, Williams SC
(A1 Refereed original research article in a scientific journal)
AT 2017gbl: a dust obscured TDE candidate in a luminous infrared galaxy (2020)
- Monthly Notices of the Royal Astronomical Society
E C Kool, T M Reynolds, S Mattila, E Kankare, M A Pérez-Torres, A Efstathiou, S Ryder, C Romero-Cañizales, W Lu, T Heikkilä, G E Anderson, M Berton, J Bright, G Cannizzaro, D Eappachen, M Fraser, M Gromadzki, P G Jonker, H Kuncarayakti, P Lundqvist, K Maeda, R M McDermid, A M Medling, S Moran, A Reguitti, M Shahbandeh, S Tsygankov, V U, T Wevers
(A1 Refereed original research article in a scientific journal)
GRB 200303A: GOTO observations upper limit (2020) GCN circular Mong Y-L, Ackley K, Galloway DK, Steeghs D, Dhillon V, O'Brien P, Ramsay G, Pollacco D, Thrane E, Poshyachinda S, Kotak R, Nuttall L, Pallé E, Ulaczyk K, Lyman J, Cutter R, Levan A, Marsh T, West R, Stanway E, Gompertz B, Wiersema K, Killestein T, Casey A, Brown M, Muller B, Dyer M, Mullaney J, Daw E, Littlefair S, Maund J, Makrygianni L, Burhanudin U, Starling R, Eyles R, Tooke S, Aukkaravittayapun S, Sawangwit U, Awiphan S, Mkrtichian D, Irawati P, Mattila S, Heikkil"a T, Rol E; Goto Collaboration
(D2 Article in a professional compilation book)
GRB 200306C: GOTO upper limits (2020) GCN circular Ackley K., Wiersema K., Mong Y. -L., Galloway D. K., Steeghs D., Dhillon V., O'Brien P., Ramsay G., Pollacco D., Thrane E., Poshyachinda S., Kotak R., Nuttall L., Pallé E., Ulaczyk K., Lyman J., Cutter R., Levan A., Marsh T., West R., Stanway E., Gompertz B., Killestein T., Casey A., Brown M., Muller B., Dyer M., Mullaney J., Daw E., Littlefair S., Maund J., Makrygianni L., Burhanudin U., Starling R., Eyles R., Tooke S., Aukkaravittayapun S., Sawangwit U., Awiphan S., Mkrtichian D., Irawati P., Mattila S., Heikkilä T., Rol E., GOTO Collaboration
(D2 Article in a professional compilation book)
GRB 200723A: GOTO candidate afterglow and host galaxy (2020) GCN Circular Gompertz B, Wiersema K, Galloway DK, Starling R, Lyman J, Ackley K, Mong Y-L, Steeghs D, Dhillon V, O'Brien P, Ramsay G, Pollacco D, Thrane E, Poshyachinda S, Kotak R, Nuttall L, Palle E, Ulaczyk K, Cutter R, Levan A, Marsh T, West R, Stanway E, Killestein T, Casey A, Brown M, Muller B, Dyer M, Mullaney J, Daw E, Littlefair S, Maund J, Makrygianni L, Burhanudin U, Eyles R, Tooke S, Aukkaravittayapun S, Sawangwit U, Awiphan S, Mkrtichian D, Irawati P, Mattila S, Heikkilä T, Rol E; GOTO Collaboration
(D2 Article in a professional compilation book)
LIGO/Virgo S200213t: No notable candidates in GOTO imaging (2020) GCN circular Cutter R, Ackley K, Gompertz BP, Lyman J, Ramsay G, Ulaczyk K, Galloway DK, Stanway E, Killestein T, Wiersema K, Kennedy M, Steeghs D, Dyer M, Dhillon V, O'Brien P, Pollacco D, Thrane E, Poshyachinda S, Mattila S, Nuttall L, Palle E, Levan A, Marsh T, West R, Mong Y-, Casey A, Brown M, Muller B, Mullaney J, Daw E, Littlefair S, Maund J, Makrygianni L, Starling R, Eyles R, Tooke S, Aukkaravittayapun S, Sawangwit U, Awiphan S, Mkrtichian D, Irawati P, Kotak R, Heikkila T, Rol E; Goto Collaboration
(D2 Article in a professional compilation book)
LIGO/Virgo S200225q: No notable candidates in GOTO imaging (2020) GCN circular Ackley K, Mong Y-L, Galloway DK, Steeghs D, Dhillon V, O'Brien P, Ramsay G, Pollacco D, Thrane E, Poshyachinda S, Kotak R, Nuttall L, Pallé E, Ulaczyk K, Lyman J, Cutter R, Levan A, Marsh T, West R, Stanway E, Gompertz B, Wiersema K, Killestein T, Casey A, Brown M, Muller B, Dyer M, Mullaney J, Daw E, Littlefair S, Maund J, Makrygianni L, Burhanudin U, Starling R, Eyles R, Tooke S, Aukkaravittayapun S, Sawangwit U, Awiphan S, Mkrtichian D, Irawati P, Mattila S, Heikkilä T, Rol E; GOTO Collaboration
(D2 Article in a professional compilation book)
LIGO/Virgo S200302c: No notable candidates in GOTO imaging (2020) GCN circular Mong Y-L, Ackley K, Galloway DK, Steeghs D, Dhillon V, O'Brien P, Ramsay G, Pollacco D, Thrane E, Poshyachinda S, Kotak R, Nuttall L, Pallé E, Ulaczyk K, Lyman J, Cutter R, Levan A, Marsh T, West R, Stanway E, Gompertz B, Wiersema K, Killestein T, Casey A, Brown M, Muller B, Dyer M, Mullaney J, Daw E, Littlefair S, Maund J, Makrygianni L, Burhanudin U, Starling R, Eyles R, Tooke S, Aukkaravittayapun S, Sawangwit U, Awiphan S, Mkrtichian D, Irawati P, Mattila S, Heikkilä T, Rol E; GOTO Collaboration
(D2 Article in a professional compilation book)
Machine learning for transient recognition in difference imaging with minimum sampling effort (2020)
- Monthly Notices of the Royal Astronomical Society
Mong YL, Ackley K, Galloway DK, Killestein T, Lyman J, Steeghs D, Dhillon V, O'Brien PT, Ramsay G, Poshyachinda S, Kotak R, Nuttall L, Palle E, Pollacco D, Thrane E, Dyer MJ, Ulaczyk K, Cutter R, McCormac J, Chote P, Levan AJ, Marsh T, Stanway E, Gompertz B, Wiersema K, Chrimes A, Obradovic A, Mullaney J, Daw E, Littlefair S, Maund J, Makrygianni L, Burhanudin U, Starling RLC, Eyles-Ferris RAJ, Tooke S, Duffy C, Aukkaravittayapun S, Sawangwit U, Awiphan S, Mkrtichian D, Irawati P, Mattila S, Heikkila T, Breton R, Kennedy M, Sanchez DM, Rol E
(A1 Refereed original research article in a scientific journal)
Observational constraints on the optical and near-infrared emission from the neutron star-black hole binary merger candidate S190814bv (2020)
- Astronomy and Astrophysics
Ackley K., Amati L., Barbieri C., Bauer F. E., Benetti S., Bernardini M. G., Bhirombhakdi K., Botticella M. T., Branchesi M., Brocato E., Bruun S. H., Bulla M., Campana S., Cappellaro E., Castro-Tirado A. J., Chambers K. C., Chaty S., Chen T. -W., Ciolfi R., Coleiro A. Copperwheat C. M., Covino S., Cutter R., D'Ammando F., D'Avanzo P., De Cesare G., D'Elia V., Della Valle M., Denneau L., De Pasquale M., Dhillon V. S., Dyer M. J., Elias-Rosa N., Evans P. A., Eyles-Ferris R. A. J., Fiore A., Fraser M., Fruchter A. S., Fynbo J. P. U., Galbany L., Gall C., Galloway D. K., Getman F. I., Ghirlanda G., Gillanders J. H., Gomboc A., Gompertz B. P., González-Fernández C., González-Gaitán S., Grado A., Greco G., Gromadzki M., Groot P. J., Gutiérrez C. P., Heikkilä T., Heintz K. E., Hjorth J., Hu Y. -D., Huber M. E., Inserra C., Izzo L., Japelj J., Jerkstrand A., Jin Z. P., Jonker P. G., Kankare E., Kann D. A., Kennedy M., Kim S., Klose S., Kool E. C., Kotak R., Kuncarayakti H., Lamb G. P., Leloudas G., Levan A. J., Longo F., Lowe T. B., Lyman J. D., Magnier E., Maguire K., Maiorano E., Mandel I., Mapelli M., Mattila S., McBrien O. R., Melandri A., Michałowski M. J., Milvang-Jensen B., Moran S., Nicastro L., Nicholl M., Nicuesa Guelbenzu A., Nuttal L., Oates S. R., O'Brien P. T., Onori F., Palazzi E., Patricelli B., Perego A., Torres M. A. P., Perley D. A., Pian E., Pignata G., Piranomonte S., Poshyachinda S., Possenti A., Pumo M. L., Quirola-Vásquez J., Ragosta F., Ramsay G., Rau A., Rest A., Reynolds T. M., Rosetti S. S., Rossi A., Rosswog S., Sabha N. B., Sagués Carracedo A., Salafia O. S., Salmon L., Salvaterra R., Savaglio S., Sbordone L., Schady P., Schipani P., Schultz A. S. B., Schweyer T., Smartt S. J., Smith K. W., Smith M., Sollerman J., Srivastav S., Stanway E. R., Starling R. L. C., Steeghs D., Stratta G., Stubbs C. W., Tanvir N. R., Testa V., Thrane E., Tonry J. L., Turatto M., Ulaczyk K., van der Horst A. J., Vergani S. D., Walton N. A., Watson D., Wiersema K., Wiik K., Wyrzykowski Ł., Yang S., Yi S. -X., Young D. R.
(A1 Refereed original research article in a scientific journal)