Department of Computer Science

High-performance computing Lab (HPCLab)

Our research group develops and utilises high-performance and data intensive computing (HPC) methods and applications for heterogeneous NUMA-architectures.

Our spearhead area is astroinformatics, namely methods and tools for simulating and analysing data from complex (astro)physical systems, such as turbulent fluids, the Sun, and interstellar matter in galaxies. The developed methods include simulation tools accelerated with graphics processing units, and data-analysis tools employing machine learning. Our current projects aim at understanding, predicting, and mitigating the harmful effects from solar magnetic activity (ERC consolidator grant UniSDyn, ERC proof-of-concept grant SYCOS, Inno4Scale project NEOSC).
Model of the Sun from PRACE project INTERDYNS
Solar convection zone modelled in the PRACE project INTERDYNS. Simulations were performed with the Pencil Code. Image copyright Ameya Prabhu.

News

HPCLab research group news

Department of Computer Science

LLM seminar

Seminar on Large Language Models in the CS Department
Kannettava tietokone ja matkapuhelin pöydällä. Kuva: Aalto-yliopisto/Mikko Raskinen
Department of Computer Science

Tips for designing social welfare and healthcare sector’s digital services for all

Tips for designing social welfare and healthcare sector’s digital services for all.
Patient and healthcare professionals at hospital
Department of Computer Science

Human-Centred Health Informatics (HCHI)

HCHI research group
ReSolve CoE (Astroinformatics research group) determined magnetic helicity spectrum
Department of Computer Science

Evidence of turbulent dynamo action in the Sun

Astroinformatics research group has determined magnetic helicity spectrum from the solar surface observations using the recently developed two-scale formalism.

Latest publications

COSMOS-Web : Comprehensive Data Reduction for Wide-area JWST NIRCam Imaging

Maximilien Franco, Caitlin M. Casey, Anton M. Koekemoer, Daizhong Liu, Micaela B. Bagley, Henry Joy McCracken, Jeyhan S. Kartaltepe, Hollis B. Akins, Olivier Ilbert, Marko Shuntov, Santosh Harish, Brant E. Robertson, Rafael C. Arango-Toro, Andrew J. Battisti, Nima Chartab, Nicole E. Drakos, Andreas L. Faisst, Carter Flayhart, Ghassem Gozaliasl, Michaela Hirschmann, Richard Massey, Jason Rhodes, Zahra Sattari, Diana Scognamiglio, John R. Weaver, Lilan Yang, Jorge A. Zavala, Edward M. Berman, Fabrizio Gentile, Steven Gillman, Arianna S. Long, Georgios Magdis, Jacqueline E. McCleary, Jed McKinney, Bahram Mobasher, Louise Paquereau, Armin Rest, David B. Sanders, Sune Toft, Si-Yue Yu 2026 Astrophysical Journal

Euclid preparation : XXVII. The NISP spectroscopy channel: Ground performance and calibration

W. Gillard, T. Maciaszek, E. Prieto, F. Grupp, A. Costille, K. Jahnke, J. Clemens, S. Dusini, M. Carle, C. Sirignano, E. Medinaceli, S. Ligori, E. Franceschi, M. Trifoglio, W. Bon, R. Barbier, S. Ferriol, A. Secroun, N. Auricchio, P. Battaglia, C. Bonoli, L. Corcione, F. Hormuth, D. Le Mignant, G. Morgante, C. Padilla, R. Toledo-Moreo, L. Valenziano, R. Bender, F. J. Castander, P. B. Lilje, A. Balestra, J. J.C. Barriere, M. Berthe, C. Boderndorf, A. Bonnefoi, V. Capobianco, R. Casas, H. Cho, F. Ducret, J. L. Gimenez, Y. Wang, S. M. Niemi, A. G. Sánchez, P. Schneider, Y. Fang, G. Gozaliasl, A. Hall, J. Hjorth, S. J. Liu 2026 Astronomy and Astrophysics

Euclid preparation : LXXVIII. Full-shape modelling of two-point and three-point correlation functions in real space

M. Guidi, A. Veropalumbo, A. Pugno, M. Moresco, E. Sefusatti, C. Porciani, E. Branchini, M. A. Breton, B. Camacho Quevedo, M. Crocce, S. De La Torre, V. Desjacques, A. Eggemeier, A. Farina, M. Kärcher, D. Linde, M. Marinucci, A. Moradinezhad Dizgah, C. Moretti, K. Pardede, A. Pezzotta, E. Sarpa, A. Amara, S. Andreon, N. Auricchio, C. Baccigalupi, D. Bagot, M. Baldi, S. Bardelli, P. Battaglia, A. Biviano, M. Brescia, S. Camera, G. Cañas-Herrera, V. Capobianco, C. Carbone, V. F. Cardone, J. Carretero, M. Castellano, G. Castignani, S. Cavuoti, K. C. Chambers, S. M. Niemi, A. G. Sánchez, P. Schneider, Y. Wang, M. Calabrese, Y. Fang, G. Gozaliasl, J. Hjorth 2026 Astronomy and Astrophysics

COSMOS Spectroscopic Redshift Compilation (First Data Release) : 488,000 Redshifts Encompassing Two Decades of Spectroscopy

Ali Ahmad Khostovan, Jeyhan S. Kartaltepe, Mara Salvato, Olivier Ilbert, Caitlin M. Casey, Hiddo Algera, Jacqueline Antwi-Danso, Andrew Battisti, Malte Brinch, Marcella Brusa, Antonello Calabro, Peter L. Capak, Nima Chartab, Olivia R. Cooper, Isa G. Cox, Behnam Darvish, Nicole E. Drakos, Andreas L. Faisst, Matthew R. George, Ghassem Gozaliasl, Santosh Harish, Gunther Hasinger, Hossein Hatamnia, Angela Iovino, Shuowen Jin, Daichi Kashino, Anton M. Koekemoer, Ronaldo Laishram, Khee-Gan Lee, Jitrapon Lertprasertpong, Simon J. Lilly, Daizhong Liu, Daniel C. Masters, Bahram Mobasher, Tohru Nagao, Masato Onodera, Yingjie Peng, David B. Sanders, Ryan L. Sanders, Zahra Sattari, Nick Scoville, Ekta A. Shah, John D. Silverman, Nao Suzuki, Sina Taamoli, Masayuki Tanaka, Lidia A. M. Tasca, Sune Toft, Greta Toni, Benny Trakhtenbrot, Jonathan R. Trump, Mattia Vaccari, Francesco Valentino, Brittany N. Vanderhoof, John R. Weaver, Min S. Yun, Jorge A. Zavala 2026 Astrophysical Journal Supplement Series

Euclid preparation : LXXX. Overview of Euclid infrared detector performance from ground tests

B. Kubik, R. Barbier, J. Clemens, S. Ferriol, A. Secroun, G. Smadja, W. Gillard, N. Fourmanoit, A. Ealet, S. Conseil, J. Zoubian, R. Kohley, J. C. Salvignol, L. Conversi, T. Maciaszek, H. Cho, W. Holmes, M. Seiffert, A. Waczynski, S. Wachter, K. Jahnke, F. Grupp, C. Bonoli, L. Corcione, S. Dusini, E. Medinaceli, R. Laureijs, G. D. Racca, A. Bonnefoi, M. Carle, A. Costille, F. Ducret, J. L. Gimenez, D. Le Mignant, L. Martin, L. Caillat, L. Valenziano, N. Auricchio, P. Battaglia, A. Derosa, R. Farinelli, F. Cogato, G. Morgante, S. M. Niemi, P. Schneider, Y. Wang, Y. Fang, G. Gozaliasl, A. Hall, J. Hjorth 2026 Astronomy and Astrophysics

Mission concept for SURROUND: Operational space weather detection and tracking using small spacecraft

Alejandro Macario-Rojas, Dale Weigt, Luis Alberto Cañizares, Shane A. Maloney, Sophie A. Murray, Peter T. Gallagher, Nicholas Crisp, Ciara McGrath 2026 Acta Astronautica

Euclid preparation : LXXXIV. The flat-sky approximation for the clustering of Euclids photometric galaxies

W. L. Matthewson, R. Durrer, S. Camera, I. Tutusaus, B. Altieri, A. Amara, S. Andreon, N. Auricchio, C. Baccigalupi, M. Baldi, S. Bardelli, P. Battaglia, A. Biviano, E. Branchini, M. Brescia, G. Cañas-Herrera, V. Capobianco, C. Carbone, V. F. Cardone, J. Carretero, S. Casas, M. Castellano, G. Castignani, S. Cavuoti, K. C. Chambers, A. Cimatti, C. Colodro-Conde, G. Congedo, C. J. Conselice, L. Conversi, Y. Copin, F. Courbin, H. M. Courtois, A. Da Silva, H. Degaudenzi, G. De Lucia, H. Dole, F. Dubath, C. A.J. Duncan, X. Dupac, S. M. Niemi, A. G. Sánchez, P. Schneider, J. L. Starck, Y. Wang, M. Calabrese, Y. Fang, G. Gozaliasl, J. Hjorth, J. Kim 2026 Astronomy and Astrophysics

Anticipating additional exoplanets in multi-planetary systems

M. Mousavi-Sadr, G. Gozaliasl, D. M. Jassur 2026 Proceedings of the International Astronomical Union

Refining the exoplanet mass-radius relation using machine learning

M. Mousavi-Sadr, G. Gozaliasl, D. M. Jassur 2026 Proceedings of the International Astronomical Union

Euclid preparation : LXXXI. The impact of nonparametric star formation histories on spatially resolved galaxy property estimation using synthetic Euclid images

A. Nersesian, M. Baes, C. Tortora, I. Kovacic, L. Bisigello, P. Corcho-Caballero, E. Durán-Camacho, L. K. Hunt, P. Iglesias-Navarro, R. Ragusa, J. Román, F. Shankar, M. Siudek, J. G. Sorce, F. R. Marleau, N. Aghanim, S. Andreon, N. Auricchio, C. Baccigalupi, M. Baldi, S. Bardelli, A. Biviano, E. Branchini, M. Brescia, S. Camera, G. Cañas-Herrera, V. Capobianco, C. Carbone, J. Carretero, S. Casas, M. Castellano, G. Castignani, S. Cavuoti, A. Cimatti, C. Colodro-Conde, G. Congedo, C. J. Conselice, L. Conversi, Y. Copin, F. Courbin, H. M. Courtois, S. M. Niemi, P. Schneider, Y. Wang, M. Calabrese, Y. Fang, G. Gozaliasl, A. Hall, J. Hjorth 2026 Astronomy and Astrophysics
More information on our research in the Aalto research portal.
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