Teppo Heikkilä - UTU Research Portal

Teppo Heikkilä

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

ttheik@utu.fi

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

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A study in scarlet. II. Spectroscopic properties of a sample of intermediate-luminosity red transients (2025)
- Astronomy and AstrophysicsResearch Notes of the AAS
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.
(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.
(2024)
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.
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
Self-supervised clustering on image-subtracted data with deep-embedded self-organizing mapAT 2017gbl: a dust obscured TDE candidate in a luminous infrared galaxy (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
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.
(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
(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.
Processing GOTO survey data with the Rubin Observatory LSST Science Pinelines II: Forced Photometry and lightcurvesLIGO/Virgo S200225q: No notable candidates in GOTO imaging (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
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.
2021
- Monthly Notices of the Royal Astronomical SocietyMonthly 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
(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
(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
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
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
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
(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
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
Machine learning for transient recognition in difference imaging with minimum sampling effort (2020)
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
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.