Institut de Ciències del Cosmos (ICCUB)

Recent Submissions

VHE γ-ray observations of bright BL Lacs with the Large-Sized Telescope prototype (LST-1) of the CTAO 

Aguasca Cabot, Arnau; Ribó Gomis, Marc; Paredes i Poy, Josep Maria; Pihet, Marine; Bordas Coma, Pol; CTAO-LST Collaboration (Publication date: 2026-03-17)

Cherenkov Telescope Array Observatory (CTAO) is the next-generation ground-based <em>γ</em>-ray observatory operating in the energy range from 20GeV up to 300TeV, with two sites in La Palma (Spain) and Paranal (Chile). It ...

The anomalous magnetic moment of the muon in the Standard Model: an update 

Aliberti, Ricardo; Gonzàlez-Solís, Sergi (Publication date: 2026-03-02)

We present the current Standard Model (SM) prediction for the muon anomalous magnetic moment, aμ, updating the first White Paper (WP20) [1]. The pure QED and electroweak contributions have been further consolidated, while ...

MeerKAT view of Hickson Compact Groups. I. Data description and release 

Bosma, A.; Athanassoula, E.; Józsa, G.I.G.; Jarrett, T.H.; Xu, C.K.; Román, J.; Labadie, X.; Cabanillas de la Casa, C.; Borthakur, S.; Wang, J.; García-Benito, R.; del Olmo, A.; Perea, J.D.; Wiegert, T.; Yun, M.; Ianjamasimanana, R.; Verdes-Montenegro, L.; Sorgho, A.; Hess, K.M.; Jones, M.G.; Cannon, J.M.; Solanes, José M. (José María); Cluver, M.E.; Moldón, J.; Namumba ,B.; Garrido, J.; Sánchez-Expósito, S. (Publication date: 2026-01-23)

Abstract Context. Hickson Compact Groups (HCGs) are dense gravitationally bound collections of four to ten galaxies and are ideal for studying gas and star formation quenching processes. Aims. We aim to understand the ...

The local universe in the era of large surveys. I. Spectral classification of S0 galaxies 

Tous Mayol, Josep Lluís; Solanes, José M. (José María); Perea Duarte, Jaime D. (Publication date: 2026-01-22)

This is the first paper in a series devoted to review the main properties of galaxies designated S0 in the Hubble classification system. Our aim is to gather abundant and, above all, robust information on the most relevant ...

Tracing the evolution of the brightest galaxies and diffuse light in galaxy groups 

Bilata-Woldeyes, Betelehem; Perea Duarte, Jaime D.; Solanes, José M. (José María) (Publication date: 2026-01-19)

We present the second study based on a suite of 100 cosmologically motivated, controlled N-body simulations designed to advance our understanding of the role of purely gravitational dynamics in the early formation of ...

The distribution of lenticular galaxies in the phase space of present-day galaxy cluster regions 

Gort, Mathias; Tous Mayol, Josep Lluís; Solanes, José M. (José María) (Publication date: 2026-01-19)

Lenticular (S0) galaxies are ubiquitous in both high- and low-density environments where diverse evolutionary mechanisms operate. Consequently, studying their distribution and properties across both the dense, virialized ...

Characterizing the Multiple Protostellar System VLA 1623-2417 with JWST, ALMA, and VLA: Outflow Origins, Dust Growth, and an Unsettled Disk 

Forbrich, Jan; Girart, Josep M.; Hoare, Melvin G.; Hernández Garnica, Ricardo; Jiménez-Serra, Izaskun; Loinard, Laurent; Ordóñez-Toro, Jazmín; Podio, Linda; Radley, Isaac C.; Busquet Rico, Gemma; Ilee, John D.; Liu, Hauyu Baobab; Pineda, Jaime E.; Pontoppidan, Klaus M.; Macías, Enrique; Maureira, María José; Bianchi, Eleonora; Bourke, Tyler L.; Codella, Claudio (Publication date: 2025-12-16)

Utilizing the James Webb Space Telescope (JWST), the Atacama Large Millimeter/submillimeter Array (ALMA), and the Very Large Array (VLA), we present high angular resolution (0 06–0 42), multiwavelength (4 μm–3 cm) observations ...

ALMA-IMF: XVIII. The assembly of a star cluster: Dense N2H+ (1─0) kinematics in the massive G351.77 protocluster 

Koley, Atanu; Sanhueza, Patricio; Bernal-Mesina, G.; Braine, J.; Bronfman, L.; Busquet Rico, Gemma; Csengeri, T.; Di Francesco, James; Fernández-López, Manuel; Garcia, Pablo; Sandoval-Garrido, Nicolás A.; Stutz, Amelia; Álvarez-Gutiérrez, Rodrigo H.; Galván-Madrid, Roberto; Motte, Frédérique; Ginsburg, A.; Cunningham, N.; Reyes-Reyes, S.; Redaelli, E.; Bonfand, Mélisse; Gusdorf, A.; Salinas, J.; Liu, H.-L. (Publication date: 2025-12-16)

ALMA-IMF observed 15 massive protoclusters capturing multiple spectral lines and the continuum emission. Here, we focus on the massive protocluster G351.77 (~2500 M⊙, estimated from single-dish continuum observations) ...

The SOFIA Massive (SOMA) star formation Q-band follow-up: II. Hydrogen recombination lines towards high-mass protostars 

Gaches, Brandt A. L.; Saberi, Maryam; Das, Ankan; Gorai, Prasanta; Taniguchi, Kotomi; Tan, Jonathan C.; Gómez-Garrido, Miguel; Rosero, Viviana; Jiménez-Serra, Izaskun; Zhang, Yichen; Cosentino, Giuliana; Law, Chi-Yan; Fedriani, Rubén; Busquet Rico, Gemma (Publication date: 2025-12-15)

Context. Hydrogen recombination lines (HRLs) are valuable diagnostics of the physical conditions in ionized regions surrounding high-mass stars. Understanding these lines, including broadening mechanisms and intensity ...

Evidence for Jet/Outflow Shocks Heating the Environment around the Class I Protostellar Source Elias 29: FAUST XXI 

Oya, Yoko; Saiga, Eri; Miotello, Anna; Koutoulaki, Maria; Johnstone, Doug; Ceccarelli, Cecilia; Chandler, Claire J.; Codella, Claudio; Sakai, Nami; Bianchi, Eleonora; Bouvier, Mathilde; Charnley, Steven; Busquet Rico, Gemma; et al. (Publication date: 2025-12-15)

We have observed the late Class I protostellar source Elias 29 at a spatial resolution of 70 au with the Atacama Large Millimeter/submillimeter Array as part of the FAUST Large Program. We focus on the line emission of SO, ...

Statistical detection of tidal streams generated by globular clusters and their application to measure the axis ratio of the Milky Way dark matter halo 

Garcia Palau, Carles (Publication date: 2022-09-30)

[eng] In this thesis we have presented a new method to search for tidal streams generated by globular clusters in the Gaia catalogue. This statistical method is based on the maximum likelihood technique to distinguish ...

Enhancing the detection of low-energy M dwarf flares: wavelet-based denoising of CHEOPS data 

Poyatos, Julien; Fors Aldrich, Octavi; Gómez Cama, José María; Ribas Canudas, Ignasi (Publication date: 2025-11-06)

Stellar flares are powerful bursts of electromagnetic radiation triggered by magnetic reconnection in the chromosphere of stars, occurring frequently and intensely on active M dwarfs. While missions like TESS and Kepler ...

C60 fullerene as an on-demand single photon source at room temperature 

Lahoz Sanz, Raul; Lozano Martín, Lidia; Brú Cortés, Adrià; Hernández Márquez, Sergi; Duocastella, Martí; Gómez Cama, José María; Juliá-Díaz, Bruno (Publication date: 2025-10-13)

Single photon sources are fundamental for applications in quantum computing, secure communication, and sensing, as they enable the generation of individual photons and ensure strict control over photon number statistics. ...

Nine lensed quasars and quasar pairs discovered through spatially extended variability in Pan-STARRS 

Dux, F.; Lemon, C.; Courbin, Frédéric; Neira, Favio; Anguita, Timo; Galan, A.; Kim, Sam; Hempel, Maren; Hempel, Angela; Lachaume, Régis (Publication date: 2025-05-20)

We present the proof of concept of a method for finding strongly lensed quasars using their spatially extended photometric variability through difference imaging in cadenced imaging survey data. We applied the method to ...

Ground-based image deconvolution with Swin Transformer UNet 

Akhaury, Utsav; Jablonka, Pascale; Starck, J.-L.; Courbin, Frédéric (Publication date: 2025-05-19)

Aims. As ground-based all-sky astronomical surveys will gather millions of images in the coming years, a critical requirement emerges for the development of fast deconvolution algorithms capable of efficiently improving ...

Image Deconvolution and Point-spread Function Reconstruction with STARRED: A Wavelet-based Two-channel Method Optimized for Light-curve Extraction 

Millon, M.; Michalewicz, Kevin; Dux, F.; Courbin, Frédéric; Marshall, P.J. (Publication date: 2025-05-19)

We present STARRED, a point-spread function (PSF) reconstruction, two-channel deconvolution, and light-curve extraction method designed for high-precision photometric measurements in imaging time series. An improved ...

Euclid preparation XXXVII. Galaxy colour selections with Euclid and ground photometry for cluster weak-lensing analyses 

Lesci, G.F.; Sereno, M.; Radovich, M.; Castignani, G.; Bisigello, Laura; Marulli, F.; Moscardini, L.; Baumont, L.; Covone, G.; Farrens, S.; Giocoli, C.; Ingoglia, L.; Miranda La Hera, S.; Vannier, M.; Biviano, A.; Maurogordato, S.; Aghanim, N.; Amara, A.; Andreon, S.; Auricchio, N.; Baldi, M.; Bardelli, S.; Bender, R.; Bodendorf, C.; Bonino, D.; Branchini, E.; Brescia, M.; Brinchmann, J.; Camera, S.; Capobianco, V.; Carbone, C.; Carretero, J.; Casas, S.; Castander, F.J.; Castellano, M.; Cavuoti, S.; Cimatti, A.; Congedo, G.; Conselice, C.J.; Conversi, L.; Copin, Y.; Corcione, L.; Courbin, Frederic; Courtois, H.M.; Da Silva, A.; Degaudenzi, H.; Di Giorgio, A.M.; Dinis, J.; Dubath, F.; Duncan, C.A.J.; Dupac, X.; Dusini, S.; Farina, M.; Ferriol, S.; Fosalba, Pablo; Fotopoulou, S.; Frailis, M.; Franceschi, E.; Franzetti, P.; Fumana, M.; Galeotta, S.; Garilli, B.; Gillis, B.; Grazian, A.; Grupp, F.; Haugan, S.V.H.; Hook, I.; Hormuth, F.; Hornstrup, A.; Hudelot, P.; Jahnke, K.; Kümmel, M.; Kermiche, S.; Kiessling, A.; Kilbinger, M.; Kubik, B.; Kunz, M.; Kurki-Suonio, H.; Ligori, S.; Lilje, P.B.; Lindholm, V.; Lloro, I.; Maiorano, E.; Mansutti, O.; Marggraf, O.; Markovic, K.; Martinet, N.; Massey, R.; Medinaceli, E.; Melchior, M.; Mellier, Y.; Meneghetti, M.; Merlin, E.; Meylan, G.; Moresco, M.; Munari, E.; Nakajima, R.; Niemi, S.-M.; Padilla, C.; Paltani, S.; Pasian, F.; Pedersen, K.; Pettorino, V.; Pires, S.; Polenta, G.; Poncet, M.; Popa, L.A.; Pozzetti, L.; Raison, F.; Rebolo, R.; Renzi, A.; Rhodes, J.; Riccio, G.; Romelli, E.; Roncarelli, M.; Rossetti, E.; Saglia, R.; Sapone, D.; Sartoris, B.; Schirmer, M.; Schneider, P.; Secroun, A.; Seidel, G.; Serrano, Susana; Sirignano, C.; Sirri, G.; Skottfelt, J.; Stanco, L.; Starck, J.-L.; Tallada-Crespí, P.; Taylor, A.N.; Teplitz, H.I.; Tereno, I.; Toledo-Moreo, R.; Torradeflot, F.; Tutusaus, I.; Valentijn, E.A.; Valenziano, L.; Vassallo, T.; Veropalumbo, A.; Wang, Yan; Weller, J.; Zacchei, A.; Zamorani, G.; Zoubian, J.; Zucca, E.; Bolzonella, M.; Bozzo, E.; Colodro-Conde, C.; Di Ferdinando, D.; Graciá-Carpio, J.; Marcin, S.; Mauri, Nuria; Neissner, C.; Nucita, A.A.; Sakr, Z.; Scottez, V.; Tenti, M.; Viel, M.; Wiesmann, M.; Akrami, Y.; Anselmi, S.; Baccigalupi, C.; Ballardini, M.; Borgani, S.; Borlaff, A.S.; Bruton, S.; Burigana, C.; Cabanac, R.; Calabro, A.; Cappi, A.; Carvalho, C.S.; Castro, T.; Cañas-Herrera, G.; Chambers, K.C.; Cooray, A.R.; Coupon, J.; Cucciati, O.; Davini, S.; De La Torre, S.; De Lucia, G.; Desprez, G.; Di Domizio, S.; Dole, H.; Díaz-Sánchez, A.; Escartin Vigo, J.A.; Escoffier, S.; Ferrero, I.; Finelli, F.; Gabarra, L.; Ganga, K.; García-Bellido, J.; Giacomini, F.; Gozaliasl, G.; Gwyn, S.; Hildebrandt, H.; Huertas-Company, M.; Jimenez Muñoz, A.; Kajava, J.J.E.; Kansal, V.; Kirkpatrick, C.C.; Legrand, L.; Loureiro, Ana; MacIas-Perez, J.; Magliocchetti, M.; Mainetti, G.; Maoli, R.; Martinelli, M.; Martins, C.J.A.P.; Matthew, S.; Maturi, M.; Maurin, L.; Metcalf, R.B.; Migliaccio, Marina; Monaco, P.; Morgante, G.; Nadathur, S.; Patrizii, L.; Pezzotta, A.; Porciani, C.; Potter, D.; Pöntinen, M.; Reimberg, P.; Rocci, P.-F.; Sánchez, A.G.; Schneider, A.; Schultheis, M.; Sefusatti, E.; Simon, P.; Spurio Mancini, A.; Stanford, S.A.; Steinwagner, J.; Testera, G.; Teyssier, R.; Toft, Søren; Tosi, S.; Troja, A.; Tucci, M.; Valiviita, J.; Vergani, D. (Publication date: 2025-05-13)

Aims. We derived galaxy colour selections from Euclid and ground-based photometry, aiming to accurately define background galaxy samples in cluster weak-lensing analyses. These selections have been implemented in the Euclid ...

Euclid preparation: L. Calibration of the halo linear bias in Λ(v)CDM cosmologies 

Castro, T.; Fumagalli, A.; Angulo, R.E.; Bocquet, S.; Borgani, S.; Costanzi, M.; Dakin, J.; Dolag, K.; Monaco, P.; Saro, A.; Sefusatti, E.; Aghanim, N.; Amendola, L.; Andreon, S.; Baccigalupi, C.; Baldi, M.; Bodendorf, C.; Bonino, D.; Branchini, E.; Brescia, M.; Caillat, A.; Camera, S.; Capobianco, V.; Carbone, C.; Carretero, J.; Casas, S.; Castellano, M.; Castignani, G.; Cavuoti, S.; Cimatti, A.; Colodro-Conde, C.; Congedo, G.; Conselice, C.J.; Conversi, L.; Copin, Y.; Costille, A.; Courbin, Frederic; Courtois, H.M.; Da Silva, A.; Degaudenzi, H.; De Lucia, G.; Di Giorgio, A.M.; Douspis, M.; Dupac, X.; Dusini, S.; Farina, M.; Farrens, S.; Ferriol, S.; Fosalba, Pablo; Frailis, M.; Franceschi, E.; Fumana, M.; Galeotta, S.; Gillis, B.; Giocoli, C.; Gómez-Alvarez, P.; Grazian, A.; Grupp, F.; Guzzo, L.; Haugan, S.V.H.; Holmes, W.; Hormuth, F.; Hornstrup, A.; Ilić, S.; Jahnke, K.; Jhabvala, M.; Joachimi, B.; Keihänen, E.; Kermiche, S.; Kiessling, A.; Kilbinger, M.; Kubik, B.; Kunz, M.; Kurki-Suonio, H.; Lilje, P.B.; Lindholm, V.; Lloro, I.; Maiorano, E.; Mansutti, O.; Marggraf, O.; Markovic, K.; Martinelli, M.; Martinet, N.; Marulli, F.; Massey, R.; Maurogordato, S.; Medinaceli, E.; Melchior, M.; Mellier, Y.; Meneghetti, M.; Merlin, E.; Meylan, G.; Moscardini, L.; Munari, E.; Niemi, S.-M.; Padilla, C.; Paltani, S.; Pasian, F.; Pedersen, K.; Percival, W.J.; Pettorino, V.; Pires, S.; Polenta, G.; Poncet, M.; Popa, L.A.; Pozzetti, L.; Raison, F.; Renzi, A.; Riccio, G.; Romelli, E.; Roncarelli, M.; Saglia, R.; Sakr, Z.; Salvignol, J.-C.; Sánchez, A.G.; Sapone, D.; Sartoris, B.; Schirmer, M.; Secroun, A.; Serrano, Susana; Sirignano, C.; Sirri, G.; Stanco, L.; Steinwagner, J.; Tallada-Crespí, P.; Taylor, A.N.; Tereno, I.; Toledo-Moreo, R.; Torradeflot, F.; Tutusaus, I.; Valenziano, L.; Vassallo, T.; Verdoes Kleijn, G.; Wang, Yan; Weller, J.; Zacchei, A.; Zamorani, G.; Zucca, E.; Biviano, A.; Bolzonella, M.; Bozzo, E.; Burigana, C.; Calabrese, M.; Di Ferdinando, D.; Escartin Vigo, J.A.; Finelli, F.; Gracia-Carpio, J.; Matthew, S.; Mauri, Nuria; Pezzotta, A.; Pöntinen, M.; Porciani, C.; Scottez, V.; Tenti, M.; Viel, M.; Wiesmann, M.; Akrami, Y.; Allevato, V.; Anselmi, S.; Archidiacono, M.; Atrio-Barandela, F.; Balaguera-Antolinez, A.; Ballardini, M.; Bertacca, D.; Bethermin, M.; Blanchard, A.; Blot, L.; Böhringer, H.; Bruton, S.; Cabanac, R.; Calabro, A.; Cañas-Herrera, G.; Cappi, A.; Caro, F.; Carvalho, C.S.; Chambers, K.C.; Cooray, A.R.; De Caro, B.; De La Torre, S.; Desprez, G.; Díaz-Sánchez, A.; Diaz, J.J.; Di Domizio, S.; Dole, H.; Escoffier, S.; Ferrari, A.G.; Ferreira, P.G.; Ferrero, I.; Finoguenov, A.; Fontana, Alessandra; Fornari, F.; Gabarra, L.; Ganga, K.; García-Bellido, J.; Gasparetto, T.; Gautard, V.; Gaztanaga, E.; Giacomini, F.; Gianotti, F.; Gozaliasl, G.; Gutierrez, C.M.; Hall, A.; Hildebrandt, H.; Hjorth, J.; Jimenez Muñoz, A.; Kajava, J.J.E.; Kansal, V.; Karagiannis, D.; Kirkpatrick, C.C.; Le Brun, A.M.C.; Le Graet, J.; Legrand, L.; Lesgourgues, J.; Liaudat, T.I.; Loureiro, Ana; Maggio, G.; Magliocchetti, M.; Mannucci, F.; Maoli, R.; Martins, C.J.A.P.; Maurin, L.; Metcalf, R.B.; Miluzio, M.; Montoro, A.; Mora, A.; Moretti, C.; Morgante, G.; Nadathur, S.; Walton, N.A.; Pagano, L.; Patrizii, L.; Popa, V.; Potter, D.; Risso, I.; Rocci, P.-F.; Sahlén, M.; Sarpa, E.; Schneider, A.; Sereno, M.; Spurio Mancini, A.; Stadel, J.; Tanidis, K.; Tao, Chuanyuan; Tessore, N.; Testera, G.; Teyssier, R.; Toft, Søren; Tosi, S.; Troja, A.; Tucci, M.; Valieri, C.; Valiviita, J.; Vergani, D.; Verza, G.; Vielzeuf, P. (Publication date: 2025-05-13)

The Euclid mission, designed to map the geometry of the dark Universe, presents an unprecedented opportunity for advancing our understanding of the cosmos through its photometric galaxy cluster survey. Central to this ...

AGN feedback in an infant galaxy cluster: LOFAR- Chandra view of the giant FRII radio galaxy J103025+052430 at z = 1.7 

Brienza, M.; Gilli, R.; Prandoni, I.; D'Amato, Q.; Rajpurohit, K.; Calura, F.; Chiaberge, M.; Comastri, A.; Iwasawa, Kazushi; Lanzuisi, G.; Liuzzo, E.; Marchesi, S.; Mignoli, M.; Miley, G.; Norman, C.; Peca, A.; Raciti, M.; Shimwell, T.; Tozzi, P.; Vignali, C.; Vitello, F.; Vito, F. (Publication date: 2025-01-31)

In the nearby universe, jets from active galactic nuclei (AGN) are observed to have a dramatic impact on their surrounding extragalactic environment. The effect of jets at high redshift (z > 1.5) is instead much more poorly ...

X-ray properties and obscured fraction of AGN in the J1030 Chandra field 

Signorini, M.; Marchesi, Simone; Gilli, R.; Brusa, M.; Comastri, A.; D'Amato, Q.; Iwasawa, Kazushi; Lanzuisi, G.; Mazzolari, G.; Mignoli, M.; Peca, A.; Prandoni, I.; Tozzi, P.; Vignali, C.; Vito, F.; Norman, C. (Publication date: 2025-01-31)

The 500ks Chandra ACIS-I observation of the field around the z = 6.31 quasar SDSS J1030+0524 is currently the fifth deepest extragalactic X-ray survey. The rich multi-band coverage of the field allowed an effective ...