Ground-breaking exoplanet science with the ANDES spectrograph at the ELT

Experimental Astronomy Springer 59:3 (2025) 29

Authors:

Enric Palle, Katia Biazzo, Emeline Bolmont, Paul Molli猫re, Katja Poppenhaeger, Jayne Birkby, Matteo Brogi, Gael Chauvin, Andrea Chiavassa, Jens Hoeijmakers, Emmanuel Lellouch, Christophe Lovis, Roberto Maiolino, Lisa Nortmann, Hannu Parviainen, Lorenzo Pino, Martin Turbet, Jesse Weder, Simon Albrecht, Simone Antoniucci, Susana C Barros, Andre Beaudoin, Bjorn Benneke, Isabelle Boisse

Abstract:

In the past decade the study of exoplanet atmospheres at high-spectral resolution, via transmission/emission spectroscopy and cross-correlation techniques for atomic/molecular mapping, has become a powerful and consolidated methodology. The current limitation is the signal-to-noise ratio that one can obtain during a planetary transit, which is in turn ultimately limited by telescope size. This limitation will be overcome by ANDES, an optical and near-infrared high-resolution spectrograph for the Extremely Large Telescope, which is currently in Phase B development. ANDES will be a powerful transformational instrument for exoplanet science. It will enable the study of giant planet atmospheres, allowing not only an exquisite determination of atmospheric composition, but also the study of isotopic compositions, dynamics and weather patterns, mapping the planetary atmospheres and probing atmospheric formation and evolution models. The unprecedented angular resolution of ANDES, will also allow us to explore the initial conditions in which planets form in proto-planetary disks. The main science case of ANDES, however, is the study of small, rocky exoplanet atmospheres, including the potential for biomarker detections, and the ability to reach this science case is driving its instrumental design. Here we discuss our simulations and the observing strategies to achieve this specific science goal. Since ANDES will be operational at the same time as NASA鈥檚 JWST and ESA鈥檚 ARIEL missions, it will provide enormous synergies in the characterization of planetary atmospheres at high and low spectral resolution. Moreover, ANDES will be able to probe for the first time the atmospheres of several giant and small planets in reflected light. In particular, we show how ANDES will be able to unlock the reflected light atmospheric signal of a golden sample of nearby non-transiting habitable zone earth-sized planets within a few tenths of nights, a scientific objective that no other currently approved astronomical facility will be able to reach.

Strong gravitational lenses from the Vera C. Rubin Observatory

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences The Royal Society 383:2295 (2025) 20240117

Authors:

Anowar J Shajib, Graham P Smith, Simon Birrer, Aprajita Verma, Nikki Arendse, Thomas Collett, Tansu Daylan, Stephen Serjeant

Abstract:

Like many areas of astrophysics and cosmology, the Vera C. Rubin Observatory will be transformational for almost all the applications of strong lensing, thanks to the dramatic increase in the number of known strong lenses by two orders of magnitude or more and the readily available time-domain data for the lenses with transient sources. In this article, we provide an overview of the forecasted number of discovered lenses of different types and describe the primary science cases these large lens samples will enable. We provide an updated forecast on the joint constraint for the dark energy equation-of-state parameters, w0 and wa, from combining all strong-lensing probes of dark energy. We update the previous forecast from the Rubin Observatory Dark Energy Science Collaboration鈥檚 Science Review Document by adding two new crucial strong-lensing samples: lensed type Ia supernovae and single-deflector lenses with measured stellar kinematics. Finally, we describe the current and near-future activities and collaborative efforts within the strong-lensing community in preparation for the arrival of the first real dataset from Rubin in 2026. This article is part of the Theo Murphy meeting issue 鈥楳ulti-messenger gravitational lensing (Part 2)鈥.

Supernova pointing capabilities of DUNE

Physical Review D 111:9 (2025) 092006

Authors:

A Abed Abud, B Abi, R Acciarri, MA Acero, MR Adames, G Adamov, M Adamowski, D Adams, M Adinolfi, C Adriano, A Aduszkiewicz, J Aguilar, B Aimard, F Akbar, K Allison, S Alonso Monsalve, M Alrashed, A Alton, R Alvarez, T Alves, H Amar, P Amedo, J Anderson, DA Andrade, C Andreopoulos, M Andreotti, MP Andrews, F Andrianala, S Andringa, N Anfimov, A Ankowski, M Antoniassi, M Antonova, A Antoshkin, A Aranda-Fernandez, L Arellano, E Arrieta Diaz, MA Arroyave, J Asaadi, A Ashkenazi, D Asner, L Asquith, E Atkin, D Auguste, A Aurisano, V Aushev, D Autiero, F Azfar, A Back, H Back, JJ Back, I Bagaturia, L Bagby, N Balashov, S Balasubramanian, P Baldi, W Baldini, J Baldonedo, B Baller, B Bambah, R Banerjee, F Barao, G Barenboim, P Barham Alz谩s, GJ Barker, W Barkhouse, G Barr, J Barranco Monarca, A Barros, N Barros, D Barrow, JL Barrow, A Basharina-Freshville, A Bashyal, V Basque, C Batchelor, L Bathe-Peters, JBR Battat, F Battisti, F Bay, MCQ Bazetto, JLL Bazo Alba, JF Beacom, E Bechetoille, B Behera, E Belchior, G Bell, L Bellantoni, G Bellettini, V Bellini, O Beltramello, N Benekos, C Benitez Montiel, D Benjamin, F Bento Neves, J Berger, S Berkman, J Bernal, P Bernardini, A Bersani, S Bertolucci, M Betancourt, A Betancur Rodr铆guez, A Bevan, Y Bezawada, AT Bezerra, TJ Bezerra, A Bhat, V Bhatnagar, J Bhatt, M Bhattacharjee, M Bhattacharya, S Bhuller, B Bhuyan, S Biagi, J Bian, K Biery, B Bilki, M Bishai, A Bitadze, A Blake, FD Blaszczyk, GC Blazey, E Blucher, J Bogenschuetz, J Boissevain, S Bolognesi, T Bolton, L Bomben, M Bonesini, C Bonilla-Diaz, F Bonini, A Booth, F Boran, S Bordoni, R Borges Merlo, A Borkum, N Bostan, J Bracinik, D Braga, B Brahma, D Brailsford, F Bramati, A Branca, A Brandt, J Bremer, C Brew, SJ Brice, V Brio, C Brizzolari, C Bromberg, J Brooke, A Bross, G Brunetti, M Brunetti, N Buchanan, H Budd, J Buergi, D Burgardt, S Butchart, G Caceres V., I Cagnoli, T Cai, R Calabrese, J Calcutt, M Calin, L Calivers, E Calvo, A Caminata, AF Camino, W Campanelli, A Campani, A Campos Benitez, N Canci, J Cap贸, I Caracas, D Caratelli, D Carber, JM Carceller, G Carini, B Carlus, MF Carneiro, P Carniti, I Caro Terrazas, H Carranza, N Carrara, L Carroll, T Carroll, A Carter, E Casarejos, D Casazza, JF Casta帽o Forero, FA Casta帽o, A Castillo, C Castromonte, E Catano-Mur, C Cattadori, F Cavalier, F Cavanna, S Centro, G Cerati, C Cerna, A Cervelli, A Cervera Villanueva, K Chakraborty, S Chakraborty, M Chalifour, A Chappell, N Charitonidis, A Chatterjee, H Chen, M Chen, WC Chen, Y Chen, Z Chen-Wishart, D Cherdack, C Chi, F Chiapponi, R Chirco, N Chitirasreemadam, K Cho, S Choate, D Chokheli, PS Chong, B Chowdhury, D Christian, A Chukanov, M Chung, E Church, MF Cicala, M Cicerchia, V Cicero, R Ciolini, P Clarke, G Cline, TE Coan, AG Cocco, JAB Coelho, A Cohen, J Collazo, J Collot, E Conley, JM Conrad, M Convery, S Copello, P Cova, C Cox, L Cremaldi, L Cremonesi, JI Crespo-Anad贸n, M Crisler, E Cristaldo, J Crnkovic, G Crone, R Cross, A Cudd, C Cuesta, Y Cui, F Curciarello, D Cussans, J Dai, O Dalager, R Dallavalle, W Dallaway, H da Motta, ZA Dar, R Darby, L Da Silva Peres, Q David, GS Davies, S Davini, J Dawson, R De Aguiar, P De Almeida, P Debbins, I De Bonis, MP Decowski, A de Gouv锚a, PC De Holanda, IL De Icaza Astiz, P De Jong, P Del Amo Sanchez, A De la Torre, G De Lauretis, A Delbart, D Delepine, M Delgado, A Dell鈥橝cqua, G Delle Monache, N Delmonte, P De Lurgio, R Demario, G De Matteis, JRT de Mello Neto, DM DeMuth, S Dennis, C Densham, P Denton, GW Deptuch, A De Roeck, V De Romeri, JP Detje, J Devine, R Dharmapalan, M Dias, A Diaz, JS D铆az, F D铆az, F Di Capua, A Di Domenico, S Di Domizio, S Di Falco, L Di Giulio, P Ding, L Di Noto, E Diociaiuti, C Distefano, R Diurba, M Diwan, Z Djurcic, D Doering, S Dolan, F Dolek, MJ Dolinski, D Domenici, L Domine, S Donati, Y Donon, S Doran, D Douglas, TA Doyle, A Dragone, F Drielsma, L Duarte, D Duchesneau, K Duffy, K Dugas, P Dunne, B Dutta, H Duyang, DA Dwyer, AS Dyshkant, S Dytman, M Eads, A Earle, S Edayath, D Edmunds, J Eisch, P Englezos, A Ereditato, T Erjavec, CO Escobar, JJ Evans, E Ewart, AC Ezeribe, K Fahey, L Fajt, A Falcone, M Fani麓, C Farnese, S Farrell, Y Farzan, D Fedoseev, J Felix, Y Feng, E Fernandez-Martinez, G Ferry, L Fields, P Filip, A Filkins, F Filthaut, R Fine, G Fiorillo, M Fiorini, S Fogarty, W Foreman, J Fowler, J Franc, K Francis, D Franco, J Franklin, J Freeman, J Fried, A Friedland, S Fuess, IK Furic, K Furman, AP Furmanski, R Gaba, A Gabrielli, AM Gago, F Galizzi, H Gallagher, A Gallas, N Gallice, V Galymov, E Gamberini, T Gamble, F Ganacim, R Gandhi, S Ganguly, F Gao, S Gao, D Garcia-Gamez, M脕 Garc铆a-Peris, F Gardim, S Gardiner, D Gastler, A Gauch, J Gauvreau, P Gauzzi, S Gazzana, G Ge, N Geffroy, B Gelli, S Gent, L Gerlach, Z Ghorbani-Moghaddam, T Giammaria, D Gibin, I Gil-Botella, S Gilligan, A Gioiosa, S Giovannella, C Girerd, AK Giri, C Giugliano, V Giusti, D Gnani, O Gogota, S Gollapinni, K Gollwitzer, RA Gomes, LV Gomez Bermeo, LS Gomez Fajardo, F Gonnella, D Gonzalez-Diaz, M Gonzalez-Lopez, MC Goodman, S Goswami, C Gotti, J Goudeau, E Goudzovski, C Grace, E Gramellini, R Gran, E Granados, P Granger, C Grant, DR Gratieri, G Grauso, P Green, S Greenberg, J Greer, WC Griffith, FT Groetschla, K Grzelak, L Gu, W Gu, V Guarino, M Guarise, R Guenette, E Guerard, M Guerzoni, D Guffanti, A Guglielmi, B Guo, Y Guo, A Gupta, V Gupta, G Gurung, D Gutierrez, P Guzowski, MM Guzzo, S Gwon, A Habig, H Hadavand, L Haegel, R Haenni, L Hagaman, A Hahn, J Haiston, J Hakenm眉ller, T Hamernik, P Hamilton, J Hancock, F Happacher, DA Harris, J Hartnell, T Hartnett, J Harton, T Hasegawa, C Hasnip, R Hatcher, K Hayrapetyan, J Hays, E Hazen, M He, A Heavey, KM Heeger, J Heise, S Henry, MA Hernandez Morquecho, K Herner, V Hewes, A Higuera, C Hilgenberg, SJ Hillier, A Himmel, E Hinkle, LR Hirsch, J Ho, J Hoff, A Holin, T Holvey, E Hoppe, S Horiuchi, GA Horton-Smith, M Hostert, T Houdy, B Howard, R Howell, I Hristova, MS Hronek, J Huang, RG Huang, Z Hulcher, M Ibrahim, G Iles, N Ilic, AM Iliescu, R Illingworth, G Ingratta, A Ioannisian, B Irwin, L Isenhower, M Ismerio Oliveira, R Itay, CM Jackson, V Jain, E James, W Jang, B Jargowsky, D Jena, I Jentz, X Ji, C Jiang, J Jiang, L Jiang, A Jipa, FR Joaquim, W Johnson, C Jollet, B Jones, R Jones, D Jos茅 Fern谩ndez, N Jovancevic, M Judah, CK Jung, T Junk, Y Jwa, M Kabirnezhad, AC Kaboth, I Kadenko, I Kakorin, A Kalitkina, D Kalra, M Kandemir, DM Kaplan, G Karagiorgi, G Karaman, A Karcher, Y Karyotakis, S Kasai, SP Kasetti, L Kashur, I Katsioulas, A Kauther, N Kazaryan, L Ke, E Kearns, PT Keener, KJ Kelly, E Kemp, O Kemularia, Y Kermaidic, W Ketchum, SH Kettell, M Khabibullin, N Khan, A Khvedelidze, D Kim, J Kim, B King, B Kirby, M Kirby, A Kish, J Klein, J Kleykamp, A Klustova, T Kobilarcik, L Koch, K Koehler, LW Koerner, DH Koh, L Kolupaeva, D Korablev, M Kordosky, T Kosc, U Kose, VA Kosteleck媒, K Kothekar, I Kotler, M Kovalcuk, V Kozhukalov, W Krah, R Kralik, M Kramer, L Kreczko, F Krennrich, I Kreslo, T Kroupova, S Kubota, M Kubu, Y Kudenko, VA Kudryavtsev, G Kufatty, S Kuhlmann, J Kumar, P Kumar, S Kumaran, P Kunze, J Kunzmann, R Kuravi, N Kurita, C Kuruppu, V Kus, T Kutter, J Kvasnicka, T Labree, T Lackey, A Lambert, BJ Land, CE Lane, N Lane, K Lang, T Langford, M Langstaff, F Lanni, O Lantwin, J Larkin, P Lasorak, D Last, A Laudrain, A Laundrie, G Laurenti, E Lavaut, A Lawrence, P Laycock, I Lazanu, M Lazzaroni, T Le, S Leardini, J Learned, T LeCompte, C Lee, V Legin, G Lehmann Miotto, R Lehnert, MA Leigui de Oliveira, M Leitner, D Leon Silverio, LM Lepin, J-Y Li, SW Li, Y Li, H Liao, CS Lin, D Lindebaum, S Linden, RA Lineros, J Ling, A Lister, BR Littlejohn, H Liu, J Liu, Y Liu, S Lockwitz, M Lokajicek, I Lomidze, K Long, TV Lopes, J Lopez, I L贸pez de Rego, N L贸pez-March, T Lord, JM LoSecco, WC Louis, A Lozano Sanchez, X-G Lu, KB Luk, B Lunday, X Luo, E Luppi, J Maalmi, D MacFarlane, AA Machado, P Machado, CT Macias, JR Macier, M MacMahon, A Maddalena, A Madera, P Madigan, S Magill, C Magueur, K Mahn, A Maio, A Major, K Majumdar, M Man, RC Mandujano, J Maneira, S Manly, A Mann, K Manolopoulos, M Manrique Plata, S Manthey Corchado, VN Manyam, M Marchan, A Marchionni, W Marciano, D Marfatia, C Mariani, J Maricic, F Marinho, AD Marino, T Markiewicz, F Das Chagas Marques, C Marquet, D Marsden, M Marshak, CM Marshall, J Marshall, L Martina, J Mart铆n-Albo, N Martinez, DA Martinez Caicedo, F Mart铆nez L贸pez, P Mart铆nez Mirav茅, S Martynenko, V Mascagna, C Massari, A Mastbaum, F Matichard, S Matsuno, G Matteucci, J Matthews, C Mauger, N Mauri, K Mavrokoridis, I Mawby, R Mazza, A Mazzacane, T McAskill, N McConkey, KS McFarland, C McGrew, A McNab, L Meazza, VCN Meddage, B Mehta, P Mehta, P Melas, O Mena, H Mendez, P Mendez, DP M茅ndez, A Menegolli, G Meng, ACEA Mercuri, A Meregaglia, MD Messier, S Metallo, J Metcalf, W Metcalf, M Mewes, H Meyer, T Miao, A Miccoli, G Michna, V Mikola, R Milincic, F Miller, G Miller, W Miller, O Mineev, A Minotti, L Miralles, OG Miranda, C Mironov, S Miryala, S Miscetti, CS Mishra, SR Mishra, A Mislivec, M Mitchell, D Mladenov, I Mocioiu, A Mogan, N Moggi, R Mohanta, TA Mohayai, N Mokhov, J Molina, L Molina Bueno, E Montagna, A Montanari, C Montanari, D Montanari, D Montanino, LM Monta帽o Zetina, M Mooney, AF Moor, Z Moore, D Moreno, O Moreno-Palacios, L Morescalchi, D Moretti, R Moretti, C Morris, C Mossey, M Mote, CA Moura, G Mouster, W Mu, L Mualem, J Mueller, M Muether, F Muheim, A Muir, M Mulhearn, D Munford, LJ Munteanu, H Muramatsu, J Muraz, M Murphy, T Murphy, J Muse, A Mytilinaki, J Nachtman, Y Nagai, S Nagu, R Nandakumar, D Naples, S Narita, A Nath, A Navrer-Agasson, N Nayak, M Nebot-Guinot, A Nehm, JK Nelson, O Neogi, J Nesbit, M Nessi, D Newbold, M Newcomer, R Nichol, F Nicolas-Arnaldos, A Nikolica, J Nikolov, E Niner, K Nishimura, A Norman, A Norrick, P Novella, JA Nowak, M Oberling, JP Ochoa-Ricoux, S Oh, SB Oh, A Olivier, A Olshevskiy, T Olson, Y Onel, Y Onishchuk, A Oranday, M Osbiston, JA Osorio V茅lez, L Otiniano Ormachea, J Ott, L Pagani, G Palacio, O Palamara, S Palestini, JM Paley, M Pallavicini, C Palomares, S Pan, P Panda, W Panduro Vazquez, E Pantic, V Paolone, V Papadimitriou, R Papaleo, A Papanestis, D Papoulias, S Paramesvaran, A Paris, S Parke, E Parozzi, S Parsa, Z Parsa, S Parveen, M Parvu, D Pasciuto, S Pascoli, L Pasqualini, J Pasternak, C Patrick, L Patrizii, RB Patterson, T Patzak, A Paudel, L Paulucci, Z Pavlovic, G Pawloski, D Payne, V Pec, E Pedreschi, SJM Peeters, W Pellico, A Pena Perez, E Pennacchio, A Penzo, OLG Peres, YF Perez Gonzalez, L P茅rez-Molina, C Pernas, J Perry, D Pershey, G Pessina, G Petrillo, C Petta, R Petti, M Pfaff, V Pia, L Pickering, F Pietropaolo, VL Pimentel, G Pinaroli, J Pinchault, K Pitts, K Plows, R Plunkett, C Pollack, T Pollman, D Polo-Toledo, F Pompa, X Pons, N Poonthottathil, V Popov, F Poppi, J Porter, M Potekhin, R Potenza, J Pozimski, M Pozzato, T Prakash, C Pratt, M Prest, F Psihas, D Pugnere, X Qian, J Queen, JL Raaf, V Radeka, J Rademacker, B Radics, A Rafique, E Raguzin, M Rai, S Rajagopalan, M Rajaoalisoa, I Rakhno, L Rakotondravohitra, L Ralte, MA Ramirez Delgado, B Ramson, A Rappoldi, G Raselli, P Ratoff, R Ray, H Razafinime, EM Rea, JS Real, B Rebel, R Rechenmacher, M Reggiani-Guzzo, J Reichenbacher, SD Reitzner, H Rejeb Sfar, E Renner, A Renshaw, S Rescia, F Resnati, Diego Restrepo, C Reynolds, M Ribas, S Riboldi, C Riccio, G Riccobene, JS Ricol, M Rigan, EV Rinc贸n, A Ritchie-Yates, S Ritter, D Rivera, R Rivera, A Robert, JL Rocabado Rocha, L Rochester, M Roda, P Rodrigues, MJ Rodriguez Alonso, J Rodriguez Rondon, AJ Roeth, S Rosauro-Alcaraz, P Rosier, D Ross, M Rossella, M Rossi, M Ross-Lonergan, N Roy, P Roy, C Rubbia, A Ruggeri, G Ruiz Ferreira, B Russell, D Ruterbories, A Rybnikov, A Saa-Hernandez, R Saakyan, S Sacerdoti, SK Sahoo, N Sahu, P Sala, N Samios, O Samoylov, MC Sanchez, A S谩nchez Bravo, P Sanchez-Lucas, V Sandberg, DA Sanders, S Sanfilippo, D Sankey, D Santoro, N Saoulidou, P Sapienza, C Sarasty, I Sarcevic, I Sarra, G Savage, V Savinov, G Scanavini, A Scaramelli, A Scarff, T Schefke, H Schellman, S Schifano, P Schlabach, D Schmitz, AW Schneider, K Scholberg, A Schukraft, B Schuld, A Segade, E Segreto, A Selyunin, CR Senise, J Sensenig, MH Shaevitz, P Shanahan, P Sharma, R Kumar, K Shaw, T Shaw, K Shchablo, J Shen, C Shepherd-Themistocleous, A Sheshukov, W Shi, S Shin, S Shivakoti, I Shoemaker, D Shooltz, R Shrock, B Siddi, M Siden, J Silber, L Simard, J Sinclair, G Sinev, Jaydip Singh, J Singh, L Singh, P Singh, V Singh, S Singh Chauhan, R Sipos, C Sironneau, G Sirri, K Siyeon, K Skarpaas, J Smedley, E Smith, J Smith, P Smith, J Smolik, M Smy, M Snape, EL Snider, P Snopok, D Snowden-Ifft, M Soares Nunes, H Sobel, M Soderberg, S Sokolov, CJ Solano Salinas, S S枚ldner-Rembold, SR Soleti, N Solomey, V Solovov, WE Sondheim, M Sorel, A Sotnikov, J Soto-Oton, A Sousa, K Soustruznik, F Spinella, J Spitz, NJC Spooner, K Spurgeon, D Stalder, M Stancari, L Stanco, J Steenis, R Stein, HM Steiner, AF Steklain Lisb么a, A Stepanova, J Stewart, B Stillwell, J Stock, F Stocker, T Stokes, M Strait, T Strauss, L Strigari, A Stuart, JG Suarez, J Subash, A Surdo, L Suter, CM Sutera, K Sutton, Y Suvorov, R Svoboda, SK Swain, B Szczerbinska, AM Szelc, A Sztuc, A Taffara, N Talukdar, J Tamara, HA Tanaka, S Tang, N Taniuchi, AM Tapia Casanova, B Tapia Oregui, A Tapper, S Tariq, E Tarpara, E Tatar, R Tayloe, D Tedeschi, AM Teklu, J Tena Vidal, P Tennessen, M Tenti, K Terao, F Terranova, G Testera, T Thakore, A Thea, A Thiebault, S Thomas, A Thompson, C Thorn, SC Timm, E Tiras, V Tishchenko, N Todorovi膰, L Tomassetti, A Tonazzo, D Torbunov, M Torti, M Tortola, F Tortorici, N Tosi, D Totani, M Toups, C Touramanis, D Tran, R Travaglini, J Trevor, E Triller, S Trilov, J Truchon, D Truncali, WH Trzaska, Y Tsai, Y-T Tsai, Z Tsamalaidze, KV Tsang, N Tsverava, SZ Tu, S Tufanli, C Tunnell, J Turner, M Tuzi, J Tyler, E Tyley, M Tzanov, MA Uchida, J Ure帽a Gonz谩lez, J Urheim, T Usher, H Utaegbulam, S Uzunyan, MR Vagins, P Vahle, S Valder, GA Valdiviesso, E Valencia, R Valentim, Z Vallari, E Vallazza, JWF Valle, R Van Berg, RG Van de Water, DV Forero, A Vannozzi, M Van Nuland-Troost, F Varanini, D Vargas Oliva, S Vasina, N Vaughan, K Vaziri, A V谩zquez-Ramos, J Vega, S Ventura, A Verdugo, S Vergani, M Verzocchi, K Vetter, M Vicenzi, H Vieira de Souza, C Vignoli, C Vilela, E Villa, S Viola, B Viren, A Vizcaya-Hernandez, T Vrba, Q Vuong, AV Waldron, M Wallbank, J Walsh, T Walton, H Wang, J Wang, L Wang, MHLS Wang, X Wang, Y Wang, K Warburton, D Warner, L Warsame, MO Wascko, D Waters, A Watson, K Wawrowska, A Weber, CM Weber, M Weber, H Wei, A Weinstein, H Wenzel, S Westerdale, M Wetstein, K Whalen, J Whilhelmi, A White, A White, LH Whitehead, D Whittington, MJ Wilking, A Wilkinson, C Wilkinson, F Wilson, RJ Wilson, P Winter, W Wisniewski, J Wolcott, J Wolfs, T Wongjirad, A Wood, K Wood, E Worcester, M Worcester, M Wospakrik, K Wresilo, C Wret, S Wu, W Wu, W Wu, M Wurm, J Wyenberg, Y Xiao, I Xiotidis, B Yaeggy, N Yahlali, E Yandel, K Yang, T Yang, A Yankelevich, N Yershov, K Yonehara, T Young, B Yu, H Yu, J Yu, Y Yu, W Yuan, R Zaki, J Zalesak, L Zambelli, B Zamorano, A Zani, O Zapata, L Zazueta, GP Zeller, J Zennamo, K Zeug, C Zhang, S Zhang, M Zhao, E Zhivun, ED Zimmerman, S Zucchelli, J Zuklin, V Zutshi, R Zwaska

Euclid: The Early Release Observations Lens Search Experiment

Astronomy & Astrophysics EDP Sciences 697 (2025) a14

Authors:

JA Acevedo Barroso, CM O鈥橰iordan, B Cl茅ment, C Tortora, TE Collett, F Courbin, R Gavazzi, RB Metcalf, V Busillo, IT Andika, R Cabanac, HM Courtois, J Crook-Mansour, L Delchambre, G Despali, LR Ecker, A Franco, P Holloway, N Jackson, K Jahnke, G Mahler, L Marchetti, P Matavulj, A Melo, M Meneghetti, LA Moustakas, O M眉ller, AA Nucita, A Paulino-Afonso, J Pearson, K Rojas, C Scarlata, S Schuldt, S Serjeant, D Sluse, SH Suyu, M Vaccari, A Verma, G Vernardos, M Walmsley, H Bouy, GL Walth, DM Powell, M Bolzonella, J-C Cuillandre, M Kluge, T Saifollahi, M Schirmer, C Stone, A Acebron, L Bazzanini, A D铆az-S谩nchez, NB Hogg, LVE Koopmans, S Kruk, L Leuzzi, A Manj贸n-Garc铆a, F Mannucci, BC Nagam, R Pearce-Casey, L Scharr茅, J Wilde, B Altieri, A Amara, S Andreon, N Auricchio, C Baccigalupi, M Baldi, A Balestra, S Bardelli, A Basset, P Battaglia, R Bender, D Bonino, E Branchini, M Brescia, J Brinchmann, A Caillat, S Camera, GP Candini, V Capobianco, C Carbone, J Carretero, S Casas, M Castellano, G Castignani, S Cavuoti, A Cimatti, C Colodro-Conde, G Congedo, CJ Conselice, L Conversi, Y Copin, L Corcione, M Cropper, A Da Silva, H Degaudenzi, G De Lucia, J Dinis, F Dubath, X Dupac, S Dusini, M Farina, S Farrens, S Ferriol, M Frailis, E Franceschi, S Galeotta, B Garilli, K George, W Gillard, B Gillis, C Giocoli, P G贸mez-Alvarez, A Grazian, F Grupp, L Guzzo, SVH Haugan, H Hoekstra, W Holmes, I Hook, F Hormuth, A Hornstrup, M Jhabvala, B Joachimi, E Keih盲nen, S Kermiche, A Kiessling, B Kubik, M Kunz, H Kurki-Suonio, D Le Mignant, S Ligori, PB Lilje, V Lindholm, I Lloro, G Mainetti, E Maiorano, O Mansutti, S Marcin, O Marggraf, M Martinelli, N Martinet, F Marulli, R Massey, E Medinaceli, M Melchior, Y Mellier, E Merlin, G Meylan, M Moresco, L Moscardini, E Munari, R Nakajima, C Neissner, RC Nichol, S-M Niemi, JW Nightingale, C Padilla, S Paltani, F Pasian, K Pedersen, WJ Percival, V Pettorino, S Pires, G Polenta, M Poncet, LA Popa, L Pozzetti, F Raison, R Rebolo, A Renzi, J Rhodes, G Riccio, E Romelli, M Roncarelli, E Rossetti, R Saglia, Z Sakr, AG S谩nchez, D Sapone, P Schneider, T Schrabback, A Secroun, G Seidel, S Serrano, C Sirignano, G Sirri, J Skottfelt, L Stanco, J Steinwagner, P Tallada-Cresp铆, D Tavagnacco, AN Taylor, I Tereno, R Toledo-Moreo, F Torradeflot, I Tutusaus, EA Valentijn, L Valenziano, T Vassallo, Y Wang, J Weller, E Zucca, C Burigana, V Scottez, M Viel, D Scott, S Vegetti

E-INSPIRE 鈥 I. Bridging the gap with the local Universe: stellar population of a statistical sample of ultra-compact massive galaxies at z < 0.3

Monthly Notices of the Royal Astronomical Society 91探花 University Press 541:3 (2025) 2440-2458

Authors:

John Mills, Chiara Spiniello, Alexey Sergeyev, Crescenzo Tortora, Vladyslav Khramtsov, Giuseppe D鈥橝go, Michalina Maksymowicz-Maciata, Jo茫o PV Benedetti, Anna Ferr茅-Mateu, Michele Cappellari, Roger Davies, Johanna Hartke, Charles Rosen

Abstract:

This paper presents the first effort to Extend the Investigation of Stellar Populations In RElics (E-INSPIRE). We present a catalogue of 430 spectroscopically confirmed ultra-compact massive galaxies (UCMGs) from the Sloan Digital Sky Survey at redshifts . This increases the original INSPIRE sample eightfold, bridging the gap with the local Universe. For each object, we compute integrated stellar velocity dispersion, age, metallicity, and [Mg/Fe] through spectroscopic stellar population analysis. We infer star formation histories (SFHs), metallicity evolution histories (MEHs) and compute the Degree of Relicness (DoR) of each object. The UCMGs, covering a wide range of DoR from 0.05 to 0.88, can be divided into three groups, according to how extreme their SFH was. The first group consists of 81 extreme relics () that have formed the totality of their stellar mass by and have super-solar metallicities at all cosmic epochs. The second group () contains 293 objects also characterized by peaked SFHs but with a small percentage of later-formed stars and with a variety of MEHs. The third group (), has 56 objects that cannot be considered relics since they have extended SFHs and formed a non-negligible fraction ( per cent) of their stellar mass at . We conclude that the most efficient method of finding relics is to select UCMGs with a combination of large velocity dispersion values (as already found by INSPIRE), super-solar metallicities and high [Mg/Fe].