PhD Rubina Kotak - UTU Research Portal

Rubina Kotak
PhD

- University Research Fellow,
Tuorla Observatory (Department of Physics and Astronomy)
- Docent,
Department of Physics and Astronomy (Faculty of Science)

rubina.kotak@utu.fi

Vesilinnantie 5

Turku

: https://orcid.org/0000-0001-5455-3653

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LIGO/Virgo/KAGRA S250206dm: GOTO counterpart search update - AT2025bar #39215 (2025) GCN circular Steeghs, D.; Ackley, K.; Kennedy, M.; O'Neill, D.; Julakanti, Y.; Belkin, S.; Gompertz, B. P.; Godson, B.; Ramsay, G.; Dyer, M.; Lyman, J.; Ulaczyk, K.; Galloway, D.; Dhillon, V.; O'Brien, P.; Noysena, K.; Kotak, R.; Breton, R.; Nuttall, L.; Pallé, E.; Pollacco, D.; Killestein, T.; Kumar, A.; on behalf of GOTO collaboration
LIGO/Virgo/KAGRA S250206dm: GOTO observations of optical candidates AT 2025azn and AT 2025azm #39197 (2025) GCN circular Ackley, K.; Belkin, S.; Steeghs, D.; Gompertz, B. P.; Julakanti, Y.; Kennedy, M.; Godson, B.; Ramsay, G.; O'Neill, D.; Dyer, M.; Jiménez-Ibarra, F.; Lyman, J.; Ulaczyk, K.; Galloway, D.; Dhillon, V.; O'Brien, P.; Noysena, K.; Kotak, R.; Breton, R.; Nuttall, L.; Pallé, E.; Pollacco, D.; Killestein, T.; Kumar, A.; on behalf of GOTO collaboration
LIGO/Virgo/KAGRA S250725j: GOTO pre-trigger detection of AT2025sib #41213 (2025) GCN circular Godson, B.; Habeeb, N.; Ackley, K.; O'Neill, D.; Kumar, A.; Ramsay, G.; Dyer, M. J.; Lyman, J.; Ulaczyk, K.; Steeghs, D.; Galloway, D. K.; Dhillon, V.; O'Brien, P.; Noysena, K.; Kotak, R.; Breton, R. P.; Nuttall, L. K.; Casares, J.; on behalf of GOTO collaboration
LIGO/Virgo/KAGRA S250818k: GOTO counterpart search and upper limits (2025) GCN circular Ackley, K.; Kumar, A.; O'Neill, D.; Dyer, M. J.; Lyman, J.; Ulaczyk, K.; Belkin, S.; Steeghs, D.; Galloway, D. K.; Dhillon, V.; O'Brien, P.; Ramsay, G.; Noysena, K.; Kotak, R.; Breton, R. P.; Nuttall, L. K.; Pollacco, D.; Casares Velazquez, J.; Killestein, T.; on behalf of GOTO collaboration
LIGO/Virgo/KAGRA S251112cm: Initial GOTO-South observations (2025) GCN circular Ackley, K.; Godson, B.; O'Neill, D.; Gompertz, B. P.; Dyer, M.; Lyman, J.; Ulaczyk, K.; Belkin, S.; Killestein, T.; Kumar, A.; Pursiainen, M.; Steeghs, D.; Galloway, D. K.; Dhillon, V.; O'Brien, P.; Ramsay, G.; Noysena, K.; Kotak, R.; Breton, R. P.; Casares Velásquez, J.; Nuttall, L. K.; on behalf of GOTO collaboration
Luminous, rapidly declining supernovae as stripped transitional objects in low-metallicity environments: The case of SN 2022lxg (2025)
- Astronomy and Astrophysics
Charalampopoulos, P.; Kotak, R.; Sollerman, J.; Gutierrez, C. P.; Pursiainen, M.; Killestein, T. L.; Schulze, S.; Pessi, P. J.; Maeda, K.; Kangas, T.; Cai, Y. -z.; Fremling, C.; Hinds, K. R.; Jegou du Laz, T.; Kankare, E.; Kasliwal, M. M.; Kuncarayakti, H.; Lundqvist, P.; Masci, F. J.; Mattila, S.; Perley, D. A.; Reguitti, A.; Reynolds, T. M.; Stritzinger, M.; Tartaglia, L.; Van Roestel, J.; Wold, A.
Optical evolution of AT 2024wpp: the high-velocity outflows in Cow-like transients are consistent with high spherical symmetry (2025)
- Monthly Notices of the Royal Astronomical Society
Pursiainen, M.; Killestein, T. L.; Kuncarayakti, H.; Charalampopoulos, P.; Warwick, B.; Lyman, J.; Kotak, R.; Leloudas, G.; Coppejans, D.; Kravtsov, T.; Maeda, K.; Nagao, T.; Taguchi, K.; Ackley, K.; Dhillon, V. S.; Galloway, D. K.; Kumar, A.; O'Neill, D.; Ramsay, G.; Steeghs, D.
Padova-Asiago Transient Classification Report for 2025-04-20 #2025-1459 (2025) Transient name server Classification report Magill, L.; Kotak, R.; Fraser, M.; Smartt, S.; Ochner, P.; Pastorello, A.; Benetti, S.; Harutunyan, A.
Possible rebrightening of SN 2024pba observed by GOTO #2025-224 (2025) Transient name server: AstroNote Godson, B.; O'Neill, D.; Lyman, J.; Kelsey, L.; Killestein, T.; Pursiainen, M.; Ackley, K.; Dyer, M.; Ulaczyk, K.; Kumar, A.; Steeghs, D.; Galloway, D.; Dhillon, V.; O'Brien, P.; Ramsay, G.; Noysena, K.; Kotak, R.; Breton, R.; Casares, J.; Nuttall, L.; on behalf of GOTO collaboration
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.
SN 2024bfu, SN 2025qe, and the early light curves of type Iax supernovae (2025)
- Monthly Notices of the Royal Astronomical Society
Magee, 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.
SN 2024cld: unveiling the complex mass-loss histories of evolved supergiant progenitors to core collapse supernovae (2025)
- Monthly Notices of the Royal Astronomical Society
Killestein, T. L.; Pursiainen, M.; Kotak, R.; Charalampopoulos, P.; Lyman, J.; Ackley, K.; Belkin, S.; Coppejans, D. L.; Davies, B.; Dyer, M. J.; Galbany, L.; Godson, B.; Jarvis, D.; Koivisto, N.; Kumar, A.; Magee, M.; Mitchell, M.; O'Neill, D.; Sahu, A.; Warwick, B.; Breton, R. P.; Butterley, T.; Cai, Y.-Z.; Casares, J.; Dhillon, V. S.; Elias-Rosa, N.; Fraser, M.; Galloway, D. K.; Gompertz, B.; González-Bañuelos, M.; Gutiérrez, C. P.; Kangas, T.; Kankare, E.; Kelsey, L.; Kravtsov, T.; Leloudas, G.; Littlefair, S. P.; Matilainen, K.; Mattila, S.; Nagao, T.; Noysena, K.; Nuttall, L. K.; O'Brien, P.; Pollacco, D.; Ramsay, G.; Reguitti, A.; Reynolds, T. M.; Salmaso, I.; Starling, R. L. C.; Steeghs, D.; Stritzinger, M.; Ulaczyk, K.; Valerin, G.; Wang, Z.-Y.; Wilson, R.
SVOM/sb25042207: GOTO optical upper limits #40215 (2025) GCN circular Belkin, S.; Kumar, A.; Ramsay, G.; Gompertz, B. P.; Starling, R.; Ackley, K.; Dyer, M. J.; Lyman, J.; Ulaczyk, K.; O'Neill, D.; Godson, B.; Steeghs, D.; Galloway, D. K.; Dhillon, V.; O'Brien, P.; Noysena, K.; Kotak, R.; Breton, R. P.; Nuttall, L. K.; Casares, J.; on behalf of GOTO collaboration
The bright long-lived Type II SN 2021irp powered by aspherical circumstellar material interaction I. Revealing the energy source with photometry and spectroscopy (2025)
- Astronomy and Astrophysics
Reynolds, Thomas M.; Nagao, Takashi; Gottumukkala, Rashmi; Gutierrez, Claudia P.; Kangas, Tuomas; Kravtsov, Timo; Kuncarayakti, Hanindyo; Maeda, Keiichi; Elias-Rosa, Nancy; Fraser, Morgan; Kotak, Rubina; Mattila, Seppo; Pastorello, Andrea; Pessi, Priscila J.; Cai, Yongzhi; Fynbo, Johan Peter Uldall; Kawabata, Miho; Lundqvist, Peter; Matilainen, Katja; Moran, Shane; Reguitti, Andrea; Taguchi, Kenta; Yamanaka, Masamichi
adH0cc spectroscopic classification of SN 2024tvi #2024-233 (2024) Transient name server: AstroNote Csoernyei, G.; Vogl, C.; Taubenberger, S.; Hillebrandt, W.; Suyu, S. H.; Leibundgut, B.; Spyromilio, J.; Blondin, S.; Holas, A.; Floers, A.; Smartt, S. J.; Dobson, M.; Kotak, R.; Bruch, R.; Gal-Yam, A.; Lemon, C.
adH0cc Transient Classification Report for 2024-08-31 #2024-3214 (2024) Transient Name Server Classification Report Csoernyei, G.; Vogl, C.; Taubenberger, S.; Hillebrandt, W.; Suyu, S. H.; Leibundgut, B.; Spyromilio, J.; Blondin, S.; Holas, A.; Floers, A.; Smartt, S. J.; Dobson, M.; Kotak, R.; Bruch, R.; Gal-Yam, A.; Lemon, C.
CSS 161010: A Luminous Fast Blue Optical Transient with Broad Blueshifted Hydrogen Lines (2024)
- Astrophysical Journal
Gutierrez, 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
EP240413A: GOTO optical upper limits #36098 (2024) GCN circular Pallé K. Ackley, B. P. Gompertz, P. O'Brien, G. Ramsay, A. Levan, R. Starling, M. J. Dyer, J. Lyman, K. Ulaczyk, F. Jimenez-Ibarra, A. Kumar, D. O'Neill, D. Steeghs, D. K. Galloway, V. Dhillon, K. Noysena, R. Kotak, R. P. Breton, L. K. Nuttall, E., Pollacco D.; GOTO Collaboration
EP240919a: GOTO optical upper limits #37566 (2024) GCN circular Kumar, A.; Gompertz, B. P.; Kennedy, M.; O'Neill, D.; Ramsay, G.; Belkin, S.; Steeghs, D.; Lyman, J.; Starling, R.; Ackley, K.; Dyer, M. J.; Ulaczyk, K.; Jimenez-Ibarra, F.; Galloway, D. K.; Dhillon, V.; O'Brien, P.; Noysena, K.; Kotak, R.; Breton, R. P.; Nuttall, L. K.; Palle, E.; Pollacco, D.; GOTO Collaboration
EP240930a: GOTO optical upper limits #37651 (2024) GCN Circular Kumar, A.; Gompertz, B. P.; Ramsay, G.; Starling, R.; Ackley, K.; Dyer, M. J.; Lyman, J.; Ulaczyk, K.; Jimenez-Ibarra, F.; O’Neill, D.; Steeghs, D.; Galloway, D. K.; Dhillon, V.; O’Brien, P.; Noysena, K.; Kotak, R.; Breton, R. P.; Nuttall, L. K.; Palle, E.; Pollacco, D.; GOTO Collaboration