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Black Hole

Lensing of space time around a black hole. At Oxford we study black holes observationally and theoretically on all size and time scales - it is some of our core work.

Credit: ALAIN RIAZUELO, IAP/UPMC/CNRS. CLICK HERE TO VIEW MORE IMAGES.

Dr Rebecca Bowler

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Research theme

  • Astronomy and astrophysics

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  • Astrophysics

Research groups

  • Beecroft Institute for Particle Astrophysics and Cosmology
  • Galaxy formation and evolution
rebecca.bowler@physics.ox.ac.uk
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Euclid

Astronomy & Astrophysics EDP Sciences 697 (2025) a5

Authors:

FJ Castander, P Fosalba, J Stadel, D Potter, J Carretero, P Tallada-Crespí, L Pozzetti, M Bolzonella, GA Mamon, L Blot, K Hoffmann, M Huertas-Company, P Monaco, EJ Gonzalez, G De Lucia, C Scarlata, M-A Breton, L Linke, C Viglione, S-S Li, Z Zhai, Z Baghkhani, K Pardede, C Neissner, R Teyssier, M Crocce, I Tutusaus, L Miller, G Congedo, A Biviano, M Hirschmann, A Pezzotta, H Aussel, H Hoekstra, T Kitching, WJ Percival, L Guzzo, Y Mellier, PA Oesch, RAA Bowler, S Bruton, V Allevato, V Gonzalez-Perez, M Manera, S Avila, A Kovács, N Aghanim, B Altieri, A Amara, L Amendola, S Andreon, N Auricchio, C Baccigalupi, M Baldi, A Balestra, S Bardelli, R Bender, F Bernardeau, C Bodendorf, D Bonino, E Branchini, M Brescia, J Brinchmann, S Camera, V Capobianco, C Carbone, S Casas, M Castellano, G Castignani, S Cavuoti, A Cimatti, C Colodro-Conde, CJ Conselice, L Conversi, Y Copin, L Corcione, F Courbin, HM Courtois, A Da Silva, H Degaudenzi, AM Di Giorgio, J Dinis, M Douspis, F Dubath, CAJ Duncan, X Dupac, S Dusini, A Ealet, M Farina, S Farrens, S Ferriol, S Fotopoulou, N Fourmanoit, M Frailis, E Franceschi, P Franzetti, S Galeotta, W Gillard, B Gillis, C Giocoli, P Gómez-Alvarez, BR Granett, A Grazian, F Grupp, SVH Haugan, MS Holliman, W Holmes, I Hook, F Hormuth, A Hornstrup, P Hudelot, S Ilić, K Jahnke, M Jhabvala, B Joachimi, E Keihänen, S Kermiche, A Kiessling, M Kilbinger, R Kohley, B Kubik, M Kümmel, M Kunz, H Kurki-Suonio, O Lahav, R Laureijs, D Le Mignant, P Liebing, S Ligori, PB Lilje, V Lindholm, I Lloro, D Maino, E Maiorano, O Mansutti, S Marcin, O Marggraf, K Markovic, M Martinelli, N Martinet, F Marulli, R Massey, DC Masters, S Maurogordato, HJ McCracken, E Medinaceli, S Mei, M Melchior, M Meneghetti, E Merlin, G Meylan, JJ Mohr, M Moresco, L Moscardini, E Munari, R Nakajima, RC Nichol, S-M Niemi, C Padilla, K Paech, S Paltani, F Pasian, JA Peacock, K Pedersen, V Pettorino, S Pires, G Polenta, M Poncet, LA Popa, F Raison, R Rebolo, A Renzi, J Rhodes, G Riccio, E Romelli, M Roncarelli, C Rosset, E Rossetti, B Rusholme, R Saglia, Z Sakr, AG Sánchez, D Sapone, JA Schewtschenko, M Schirmer, P Schneider, T Schrabback, M Scodeggio, A Secroun, E Sefusatti, G Seidel, S Serrano, C Sirignano, G Sirri, L Stanco, J-L Starck, J Steinwagner, AN Taylor, HI Teplitz, I Tereno, R Toledo-Moreo, F Torradeflot, A Tsyganov, L Valenziano, T Vassallo, A Veropalumbo, Y Wang, J Weller, A Zacchei, G Zamorani, FM Zerbi, J Zoubian, E Zucca, A Boucaud, E Bozzo, C Burigana, M Calabrese, P Casenove, D Di Ferdinando, JA Escartin Vigo, G Fabbian, F Finelli, J Gracia-Carpio, S Matthew, N Mauri, M Pöntinen, C Porciani, V Scottez, M Tenti, M Viel, M Wiesmann, Y Akrami, S Anselmi, M Archidiacono, F Atrio-Barandela, E Aubourg, A Balaguera-Antolinez, M Ballardini, D Bertacca, M Bethermin, A Blanchard, H Böhringer, S Borgani, T Bouvard, R Cabanac, A Calabro, B Camacho Quevedo, G Canas-Herrera, A Cappi, F Caro, CS Carvalho, T Castro, KC Chambers, S Contarini, T Contini, AR Cooray, M Costanzi, O Cucciati, S Davini, B De, S de la Torre, G Desprez, A Díaz-Sánchez, JJ Diaz, S Di Domizio, H Dole, S Escoffier, M Ezziati, AG Ferrari, PG Ferreira, I Ferrero, A Finoguenov, A Fontana, F Fornari, L Gabarra, K Ganga, J García-Bellido, T Gasparetto, E Gaztanaga, F Giacomini, F Gianotti, AH Gonzalez, G Gozaliasl, A Hall, WG Hartley, H Hildebrandt, J Hjorth, AD Holland, O Ilbert, S Joudaki, E Jullo, JJE Kajava, V Kansal, D Karagiannis, CC Kirkpatrick, J Le Graet, L Legrand, J Lesgourgues, TI Liaudat, A Loureiro, J Macias-Perez, M Magliocchetti, C Mancini, F Mannucci, R Maoli, CJAP Martins, L Maurin, RB Metcalf, M Migliaccio, M Miluzio, A Mora, C Moretti, G Morgante, S Nadathur, L Nicastro, Nicholas A Walton, M Oguri, L Patrizii, V Popa, A Pourtsidou, P Reimberg, I Risso, P-F Rocci, RP Rollins, M Sahlén, J Schaye, A Schneider, M Schultheis, M Sereno, F Shankar, A Shulevski, A Silvestri, P Simon, A Spurio Mancini, SA Stanford, K Tanidis, C Tao, N Tessore, G Testera, M Tewes, S Toft, S Tosi, A Troja, M Tucci, C Valieri, J Valiviita, D Vergani, F Vernizzi, G Verza, P Vielzeuf, JR Weaver, L Zalesky, P Dimauro, P-A Duc, Y Fang, AMN Ferguson, CM Gutierrez, I Kovačić, S Kruk, AMC Le Brun, A Montoro, C Murray, L Pagano, D Paoletti, E Sarpa, A Viitanen, J Martín-Fleitas, D Scott, LYA Yung
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Euclid: Early Release Observations – Programme overview and pipeline for compact- and diffuse-emission photometry

Astronomy & Astrophysics EDP Sciences 697 (2025) a6

Authors:

J-C Cuillandre, E Bertin, M Bolzonella, H Bouy, S Gwyn, S Isani, M Kluge, O Lai, A Lançon, DA Lang, R Laureijs, T Saifollahi, M Schirmer, C Stone, Abdurro’uf, N Aghanim, B Altieri, F Annibali, H Atek, P Awad, M Baes, E Bañados, D Barrado, S Belladitta, V Belokurov, A Boselli, F Bournaud, J Bovy, RAA Bowler, G Buenadicha, F Buitrago, M Cantiello, D Carollo, S Codis, MLM Collins, G Congedo, E Dalessandro, V de Lapparent, F De Paolis, JM Diego, P Dimauro, J Dinis, H Dole, P-A Duc, D Erkal, M Ezziati, AMN Ferguson, A Ferré-Mateu, A Franco, R Gavazzi, K George, W Gillard, JB Golden-Marx, B Goldman, AH Gonzalez, R Habas, WG Hartley, NA Hatch, R Kohley, J Hoar, JM Howell, LK Hunt, P Jablonka, M Jauzac, Y Kang, JH Knapen, J-P Kneib, R Kohley, PB Kuzma, SS Larsen, O Marchal, J Martín-Fleitas, P Marcos-Arenal, FR Marleau, EL Martín, D Massari, AW McConnachie, M Meneghetti, M Miluzio, J Miro Carretero, H Miyatake, M Mondelin, M Montes, A Mora, O Müller, C Nally, K Noeske, AA Nucita, PA Oesch, M Oguri, RF Peletier, M Poulain, L Quilley, GD Racca, M Rejkuba, J Rhodes, P-F Rocci, J Román, S Sacquegna, E Saremi, R Scaramella, E Schinnerer, S Serjeant, E Sola, JG Sorce, F Tarsitano, I Tereno, S Toft, C Tortora, M Urbano, A Venhola, K Voggel, JR Weaver, X Xu, M Žerjal, R Zöller, S Andreon, N Auricchio, C Baccigalupi, M Baldi, A Balestra, S Bardelli, A Basset, R Bender, C Bodendorf, E Branchini, S Brau-Nogue, M Brescia, J Brinchmann, S Camera, V Capobianco, C Carbone, J Carretero, S Casas, FJ Castander, M Castellano, S Cavuoti, A Cimatti, CJ Conselice, L Conversi, Y Copin, F Courbin, HM Courtois, M Cropper, J-G Cuby, A Da Silva, H Degaudenzi, AM Di Giorgio, M Douspis, CAJ Duncan, X Dupac, S Dusini, M Fabricius, M Farina, S Farrens, S Ferriol, P Fosalba, S Fotopoulou, M Frailis, E Franceschi, S Galeotta, B Garilli, B Gillis, C Giocoli, P Gómez-Alvarez, A Grazian, F Grupp, L Guzzo, SVH Haugan, J Hoar, H Hoekstra, W Holmes, I Hook, F Hormuth, A Hornstrup, P Hudelot, K Jahnke, M Jhabvala, E Keihänen, S Kermiche, A Kiessling, M Kilbinger, T Kitching, B Kubik, K Kuijken, M Kümmel, M Kunz, H Kurki-Suonio, O Lahav, P Liebing, S Ligori, PB Lilje, V Lindholm, I Lloro, D Maino, E Maiorano, O Mansutti, O Marggraf, K Markovic, N Martinet, F Marulli, R Massey, S Maurogordato, HJ McCracken, E Medinaceli, Y Mellier, G Meylan, JJ Mohr, M Moresco, L Moscardini, E Munari, R Nakajima, RC Nichol, S-M Niemi, C Padilla, S Paltani, F Pasian, JA Peacock, K Pedersen, WJ Percival, V Pettorino, S Pires, G Polenta, M Poncet, LA Popa, L Pozzetti, F Raison, R Rebolo, A Refregier, A Renzi, G Riccio, Hans-Walter Rix, E Romelli, M Roncarelli, E Rossetti, R Saglia, D Sapone, P Schneider, T Schrabback, A Secroun, G Seidel, S Serrano, P Simon, C Sirignano, G Sirri, J Skottfelt, L Stanco, P Tallada-Crespí, AN Taylor, HI Teplitz, R Toledo-Moreo, A Tsyganov, I Tutusaus, EA Valentijn, L Valenziano, T Vassallo, G Verdoes Kleijn, Y Wang, J Weller, OR Williams, G Zamorani, E Zucca, C Burigana, P Casenove, V Scottez, D Scott
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Euclid: Early Release Observations – NISP-only sources and the search for luminous z = 6–8 galaxies

Astronomy & Astrophysics EDP Sciences 697 (2025) a16

Authors:

JR Weaver, S Taamoli, CJR McPartland, L Zalesky, N Allen, S Toft, DB Sanders, H Atek, RAA Bowler, D Stern, CJ Conselice, B Mobasher, I Szapudi, PRM Eisenhardt, G Murphree, I Valdes, K Ito, S Belladitta, PA Oesch, S Serjeant, DJ Mortlock, NA Hatch, M Kluge, B Milvang-Jensen, G Rodighiero, E Bañados, JM Diego, R Gavazzi, G Congedo, M Shuntov, H Dole, P-F Rocci, T Saifollahi, M Miluzio, M Ezziati, ACN Hughes, J-C Cuillandre, R Laureijs, S Paltani, M Schirmer, C Stone, N Aghanim, B Altieri, A Amara, S Andreon, N Auricchio, M Baldi, A Balestra, S Bardelli, R Bender, C Bodendorf, D Bonino, E Branchini, M Brescia, J Brinchmann, S Camera, V Capobianco, C Carbone, VF Cardone, J Carretero, S Casas, FJ Castander, M Castellano, S Cavuoti, A Cimatti, L Conversi, Y Copin, L Corcione, F Courbin, HM Courtois, A Da Silva, H Degaudenzi, AM Di Giorgio, J Dinis, M Douspis, F Dubath, X Dupac, A Ealet, M Farina, S Farrens, S Ferriol, S Fotopoulou, M Frailis, E Franceschi, P Franzetti, S Galeotta, W Gillard, B Gillis, C Giocoli, P Gómez-Alvarez, A Grazian, F Grupp, L Guzzo, SVH Haugan, J Hoar, H Hoekstra, W Holmes, I Hook, F Hormuth, A Hornstrup, P Hudelot, K Jahnke, M Jhabvala, E Keihänen, S Kermiche, A Kiessling, T Kitching, B Kubik, M Kümmel, M Kunz, H Kurki-Suonio, O Lahav, D Le Mignant, S Ligori, PB Lilje, V Lindholm, I Lloro, D Maino, E Maiorano, O Mansutti, O Marggraf, K Markovic, N Martinet, F Marulli, R Massey, DC Masters, S Maurogordato, HJ McCracken, E Medinaceli, S Mei, M Melchior, Y Mellier, M Meneghetti, E Merlin, G Meylan, JJ Mohr, M Moresco, L Moscardini, R Nakajima, RC Nichol, S-M Niemi, C Padilla, F Pasian, K Pedersen, WJ Percival, V Pettorino, S Pires, G Polenta, M Poncet, LA Popa, L Pozzetti, F Raison, A Renzi, J Rhodes, G Riccio, E Romelli, M Roncarelli, E Rossetti, R Saglia, D Sapone, P Schneider, T Schrabback, A Secroun, G Seidel, S Serrano, C Sirignano, G Sirri, L Stanco, P Tallada-Crespí, AN Taylor, HI Teplitz, I Tereno, R Toledo-Moreo, I Tutusaus, L Valenziano, T Vassallo, A Veropalumbo, Y Wang, J Weller, E Zucca, C Burigana, G Castignani, Z Sakr, V Scottez, M Viel, P Simon, J Martín-Fleitas, D Scott
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Euclid: Early Release Observations – A preview of the Euclid era through a galaxy cluster magnifying lens

Astronomy & Astrophysics EDP Sciences 697 (2025) a15

Authors:

H Atek, R Gavazzi, JR Weaver, JM Diego, T Schrabback, NA Hatch, N Aghanim, H Dole, WG Hartley, S Taamoli, G Congedo, Y Jimenez-Teja, J-C Cuillandre, E Bañados, S Belladitta, RAA Bowler, M Franco, M Jauzac, G Mahler, J Richard, P-F Rocci, S Serjeant, S Toft, D Abriola, P Bergamini, A Biviano, P Dimauro, M Ezziati, JB Golden-Marx, C Grillo, ACN Hughes, Y Kang, J-P Kneib, M Lombardi, GA Mamon, CJR McPartland, M Meneghetti, H Miyatake, M Montes, DJ Mortlock, PA Oesch, N Okabe, P Rosati, AN Taylor, F Tarsitano, J Weller, M Kluge, R Laureijs, S Paltani, T Saifollahi, M Schirmer, C Stone, A Mora, B Altieri, A Amara, S Andreon, N Auricchio, M Baldi, A Balestra, S Bardelli, A Basset, R Bender, C Bodendorf, D Bonino, E Branchini, M Brescia, J Brinchmann, S Camera, GP Candini, V Capobianco, C Carbone, VF Cardone, J Carretero, S Casas, FJ Castander, M Castellano, S Cavuoti, A Cimatti, CJ Conselice, L Conversi, Y Copin, L Corcione, F Courbin, HM Courtois, A Da Silva, H Degaudenzi, AM Di Giorgio, J Dinis, M Douspis, F Dubath, X Dupac, S Dusini, A Ealet, M Farina, S Farrens, S Ferriol, S Fotopoulou, M Frailis, E Franceschi, S Galeotta, W Gillard, B Gillis, C Giocoli, P Gómez-Alvarez, A Grazian, F Grupp, L Guzzo, M Hailey, SVH Haugan, J Hoar, H Hoekstra, MS Holliman, W Holmes, I Hook, F Hormuth, A Hornstrup, P Hudelot, K Jahnke, M Jhabvala, E Keihänen, S Kermiche, A Kiessling, T Kitching, R Kohley, B Kubik, K Kuijken, M Kümmel, M Kunz, H Kurki-Suonio, O Lahav, D Le Mignant, S Ligori, PB Lilje, V Lindholm, I Lloro, D Maino, E Maiorano, O Mansutti, O Marggraf, K Markovic, N Martinet, F Marulli, R Massey, S Maurogordato, HJ McCracken, S Mei, Y Mellier, E Merlin, G Meylan, M Moresco, L Moscardini, R Nakajima, RC Nichol, S-M Niemi, C Padilla, K Paech, F Pasian, JA Peacock, K Pedersen, WJ Percival, V Pettorino, S Pires, G Polenta, M Poncet, LA Popa, L Pozzetti, F Raison, A Renzi, J Rhodes, G Riccio, E Romelli, M Roncarelli, R Saglia, D Sapone, P Schneider, A Secroun, G Seidel, S Serrano, C Sirignano, G Sirri, J Skottfelt, L Stanco, P Tallada-Crespí, HI Teplitz, I Tereno, R Toledo-Moreo, I Tutusaus, L Valenziano, T Vassallo, G Verdoes Kleijn, A Veropalumbo, Y Wang, E Zucca, C Baccigalupi, C Burigana, G Castignani, Z Sakr, V Scottez, M Viel, P Simon, D Stern, J Martín-Fleitas, D Scott
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JWST PRIMER: a lack of outshining in four normal z = 4 − 6 galaxies from the ALMA-CRISTAL Survey

Monthly Notices of the Royal Astronomical Society Oxford University Press 539:3 (2025) 2685-2706

Authors:

NEP Lines, RAA Bowler, NJ Adams, R Fisher, RG Varadaraj, Y Nakazato, M Aravena, RJ Assef, JE Birkin, D Ceverino, E da Cunha, F Cullen, I De Looze, CT Donnan, JS Dunlop, A Ferrara, NA Grogin, R Herrera-Camus, R Ikeda, AM Koekemoer, M Killi, J Li, DJ McLeod, RJ McLure

Abstract:

We present a spatially resolved analysis of four star-forming galaxies at using data from the JWST Public Release Imaging for Extragalactic Research (PRIMER) and ALMA-[C II] Resolved ISm in STar-forming galaxies with ALma (CRISTAL) surveys to probe the stellar and interstellar medium properties on the sub- scale. In the JWST NIRCam imaging we find that the galaxies are composed of multiple clumps (between 2 and ∼8) separated by , with comparable morphologies and sizes in the rest-frame ultraviolet (UV) and optical. Using BAGPIPES to perform pixel-by-pixel spectral energy distribution (SED) fitting to the JWST data, we show that the star formation rate (SFR) () and stellar mass ( ) derived from the resolved analysis are in close () agreement with those obtained by fitting the integrated photometry. In contrast to studies of lower mass sources, we thus find a reduced impact of outshining of the older (more massive) stellar populations in these normal galaxies. Our JWST analysis recovers bluer rest-frame UV slopes () and younger ages () than archival values. We find that the dust continuum from ALMA-CRISTAL seen in two of these galaxies correlates, as expected, with regions of redder rest-frame UV slopes and the SED-derived , as well as the peak in the stellar mass map. We compute the resolved –relation, showing that the IRX is consistent with the local starburst attenuation curve and further demonstrating the presence of an inhomogeneous dust distribution within the galaxies. A comparison of the CRISTAL sources to those from the FirstLight zoom-in simulation of galaxies with the same and SFR reveals similar age and colour gradients, suggesting that major mergers may be important in the formation of clumpy galaxies at this epoch.
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