Search Results - "Hjorth, Jens"

The supernova-gamma-ray burst-jet connection by Hjorth, Jens

“…The observed association between supernovae and gamma-ray bursts represents a cornerstone in our understanding of the nature of gamma-ray bursts. The collapsar…”
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Little Red Dots or Brown Dwarfs? NIRSpec Discovery of Three Distant Brown Dwarfs Masquerading as NIRCam-selected Highly Reddened Active Galactic Nuclei by Langeroodi, Danial, Hjorth, Jens

“…Abstract Cold, substellar objects such as brown dwarfs have long been recognized as contaminants in color-selected samples of active galactic nuclei (AGNs). In…”
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Magnified or multiply imaged? – Search strategies for gravitationally lensed supernovae in wide-field surveys by Wojtak, Radosław, Hjorth, Jens, Gall, Christa

“…ABSTRACT Strongly lensed supernovae (SNe) can be detected as multiply imaged or highly magnified transients. In order to compare the performances of these two…”
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PAH Emission from Star-forming Galaxies in JWST Mid-infrared Imaging of the Lensing Cluster SMACS J0723.3-7327 by Langeroodi, Danial, Hjorth, Jens

“…Abstract The mid-infrared spectra of star-forming galaxies (SFGs) are characterized by characteristic broad polycyclic aromatic hydrocarbon (PAH) emission…”
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RELICS: Reionization Lensing Cluster Survey by Coe, Dan, Salmon, Brett, Brada, Maruša, Bradley, Larry D., Sharon, Keren, Zitrin, Adi, Acebron, Ana, Cerny, Catherine, Cibirka, Nathália, Strait, Victoria, Paterno-Mahler, Rachel, Mahler, Guillaume, Avila, Roberto J., Ogaz, Sara, Huang, Kuang-Han, Pelliccia, Debora, Stark, Daniel P., Mainali, Ramesh, Oesch, Pascal A., Trenti, Michele, Carrasco, Daniela, Dawson, William A., Rodney, Steven A., Strolger, Louis-Gregory, Riess, Adam G., Jones, Christine, Frye, Brenda L., Czakon, Nicole G., Umetsu, Keiichi, Vulcani, Benedetta, Graur, Or, Jha, Saurabh W., Graham, Melissa L., Molino, Alberto, Nonino, Mario, Hjorth, Jens, Selsing, Jonatan, Christensen, Lise, Kikuchihara, Shotaro, Ouchi, Masami, Oguri, Masamune, Welch, Brian, Lemaux, Brian C., Andrade-Santos, Felipe, Hoag, Austin T., Johnson, Traci L., Peterson, Avery, Past, Matthew, Fox, Carter, Agulli, Irene, Livermore, Rachael, Ryan, Russell E., Lam, Daniel, Sendra-Server, Irene, Toft, Sune, Lovisari, Lorenzo, Su, Yuanyuan

“…Large surveys of galaxy clusters with the Hubble Space Telescope (HST) and Spitzer, including the Cluster Lensing And Supernova survey with Hubble and the…”
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Rapid formation of large dust grains in the luminous supernova 2010jl by Gall, Christa, Hjorth, Jens, Watson, Darach, Dwek, Eli, Maund, Justyn R., Fox, Ori, Leloudas, Giorgos, Malesani, Daniele, Day-Jones, Avril C.

“…The formation of dust in the dense circumstellar medium of the bright supernova 2010jl is at first rapid and produces very large grains, which resist…”
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Life beyond 30: Probing the −20 < M UV < −17 Luminosity Function at 8 < z < 13 with the NIRCam Parallel Field of the MIRI Deep Survey by Pérez-González, Pablo G., Costantin, Luca, Langeroodi, Danial, Rinaldi, Pierluigi, Annunziatella, Marianna, Ilbert, Olivier, Colina, Luis, Nørgaard-Nielsen, Hans Ulrik, Greve, Thomas R., Östlin, Göran, Wright, Gillian, Alonso-Herrero, Almudena, Álvarez-Márquez, Javier, Caputi, Karina I., Eckart, Andreas, Le Fèvre, Olivier, Labiano, Álvaro, García-Marín, Macarena, Hjorth, Jens, Kendrew, Sarah, Pye, John P., Tikkanen, Tuomo, van der Werf, Paul, Walter, Fabian, Ward, Martin, Bik, Arjan, Boogaard, Leindert, Bosman, Sarah E. I., Gómez, Alejandro Crespo, Gillman, Steven, Iani, Edoardo, Jermann, Iris, Melinder, Jens, Meyer, Romain A., Moutard, Thibaud, van Dishoek, Ewine, Henning, Thomas, Lagage, Pierre-Olivier, Guedel, Manuel, Peissker, Florian, Ray, Tom, Vandenbussche, Bart, García-Argumánez, Ángela, María Mérida, Rosa

“…Abstract We present the ultraviolet luminosity function and an estimate of the cosmic star formation rate density at 8 < z < 13 derived from deep NIRCam…”
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Type Ia Supernova Distances at Redshift >1.5 from the Hubble Space Telescope Multi-cycle Treasury Programs: The Early Expansion Rate by Riess, Adam G., Rodney, Steven A., Scolnic, Daniel M., Shafer, Daniel L., Strolger, Louis-Gregory, Ferguson, Henry C., Postman, Marc, Graur, Or, Maoz, Dan, Jha, Saurabh W., Mobasher, Bahram, Casertano, Stefano, Hayden, Brian, Molino, Alberto, Hjorth, Jens, Garnavich, Peter M., Jones, David O., Kirshner, Robert P., Koekemoer, Anton M., Grogin, Norman A., Brammer, Gabriel, Hemmati, Shoubaneh, Dickinson, Mark, Challis, Peter M., Wolff, Schuyler, Clubb, Kelsey I., Filippenko, Alexei V., Nayyeri, Hooshang, Vivian, U, Koo, David C., Faber, Sandra M., Kocevski, Dale, Bradley, Larry, Coe, Dan

“…We present an analysis of 15 Type Ia supernovae (SNe Ia) at redshift (9 at ) recently discovered in the CANDELS and CLASH Multi-Cycle Treasury programs using…”
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A cool and inflated progenitor candidate for the Type Ib supernova 2019yvr at 2.6 yr before explosion by Kilpatrick, Charles D, Drout, Maria R, Auchettl, Katie, Dimitriadis, Georgios, Foley, Ryan J, Jones, David O, DeMarchi, Lindsay, French, K Decker, Gall, Christa, Hjorth, Jens, Jacobson-Galán, Wynn V, Margutti, Raffaella, Piro, Anthony L, Ramirez-Ruiz, Enrico, Rest, Armin, Rojas-Bravo, César

“…ABSTRACT We present Hubble Space Telescope imaging of a pre-explosion counterpart to SN 2019yvr obtained 2.6 yr before its explosion as a type Ib supernova…”
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Atmospheric VOC measurements at a High Arctic site: characteristics and source apportionment by Pernov, Jakob B, Bossi, Rossana, Lebourgeois, Thibaut, Nøjgaard, Jacob K, Holzinger, Rupert, Hjorth, Jens L, Skov, Henrik

“…There are few long-term datasets of volatile organic compounds (VOCs) in the High Arctic. Furthermore, knowledge about their source regions remains lacking. To…”
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Multiple images of a highly magnified supernova formed by an early-type cluster galaxy lens by Kelly, Patrick L., Rodney, Steven A., Treu, Tommaso, Foley, Ryan J., Brammer, Gabriel, Schmidt, Kasper B., Zitrin, Adi, Sonnenfeld, Alessandro, Strolger, Louis-Gregory, Graur, Or, Filippenko, Alexei V., Jha, Saurabh W., Riess, Adam G., Bradac, Marusa, Weiner, Benjamin J., Scolnic, Daniel, Malkan, Matthew A., von der Linden, Anja, Trenti, Michele, Hjorth, Jens, Gavazzi, Raphael, Fontana, Adriano, Merten, Julian C., McCully, Curtis, Jones, Tucker, Postman, Marc, Dressler, Alan, Patel, Brandon, Cenko, S. Bradley, Graham, Melissa L., Tucker, Bradley E.

“…In 1964, Refsdal hypothesized that a supernova whose light traversed multiple paths around a strong gravitational lens could be used to measure the rate of…”
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Gravitational redshift of galaxies in clusters as predicted by general relativity by Wojtak, Radosław, Hansen, Steen H., Hjorth, Jens

“…Cosmic-scale test for general relativity Testing general relativity on the large scales of the Universe remains a fundamental challenge to modern cosmology…”
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Evolution of the Mass–Metallicity Relation from Redshift z ≈ 8 to the Local Universe by Langeroodi, Danial, Hjorth, Jens, Chen, Wenlei, Kelly, Patrick L., Williams, Hayley, Lin, Yu-Heng, Scarlata, Claudia, Zitrin, Adi, Broadhurst, Tom, Diego, Jose M., Huang, Xiaosheng, Filippenko, Alexei V., Foley, Ryan J., Jha, Saurabh, Koekemoer, Anton M., Oguri, Masamune, Perez-Fournon, Ismael, Pierel, Justin, Poidevin, Frederick, Strolger, Lou

“…Abstract A tight positive correlation between the stellar mass and the gas-phase metallicity of galaxies has been observed at low redshifts. The redshift…”
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SN 2023ixf in Messier 101: A Variable Red Supergiant as the Progenitor Candidate to a Type II Supernova by Kilpatrick, Charles D., Foley, Ryan J., Jacobson-Galán, Wynn V., Piro, Anthony L., Smartt, Stephen J., Drout, Maria R., Gagliano, Alexander, Gall, Christa, Hjorth, Jens, Jones, David O., Mandel, Kaisey S., Margutti, Raffaella, Ramirez-Ruiz, Enrico, Ransome, Conor L., Villar, V. Ashley, Coulter, David A., Gao, Hua, Matthews, David Jacob, Taggart, Kirsty, Zenati, Yossef

“…Abstract We present preexplosion optical and infrared (IR) imaging at the site of the type II supernova (SN II) 2023ixf in Messier 101 at 6.9 Mpc. We…”
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A dust-parallax distance of 19 megaparsecs to the supermassive black hole in NGC 4151 by Hönig, Sebastian F., Watson, Darach, Kishimoto, Makoto, Hjorth, Jens

“…A distance measurement based on observations of the hot-dust emitting region of the active galaxy NGC 4151 yields a value of 19 megaparsecs, implying a…”
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Searching for Highly Magnified Stars at Cosmological Distances: Discovery of a Redshift 0.94 Blue Supergiant in Archival Images of the Galaxy Cluster MACS J0416.1-2403 by Chen, Wenlei, Kelly, Patrick L., Diego, Jose M., Oguri, Masamune, Williams, Liliya L. R., Zitrin, Adi, Treu, Tommaso L., Smith, Nathan, Broadhurst, Thomas J., Kaiser, Nick, Foley, Ryan J., Filippenko, Alexei V., Salo, Laura, Hjorth, Jens, Selsing, Jonatan

“…Individual highly magnified stars have been recently discovered at lookback times of more than half the age of the universe, in lensed galaxies that straddle…”
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The Magnificent Five Images of Supernova Refsdal: Time Delay and Magnification Measurements by Kelly, Patrick L., Rodney, Steven, Treu, Tommaso, Birrer, Simon, Bonvin, Vivien, Dessart, Luc, Foley, Ryan J., Filippenko, Alexei V., Gilman, Daniel, Jha, Saurabh, Hjorth, Jens, Mandel, Kaisey, Millon, Martin, Pierel, Justin, Thorp, Stephen, Zitrin, Adi, Broadhurst, Tom, Chen, Wenlei, Diego, Jose M., Dressler, Alan, Graur, Or, Jauzac, Mathilde, Malkan, Matthew A., McCully, Curtis, Oguri, Masamune, Postman, Marc, Schmidt, Kasper Borello, Sharon, Keren, Tucker, Brad E., von der Linden, Anja, Wambsganss, Joachim

“…Abstract In late 2014, four images of supernova (SN) “Refsdal,” the first known example of a strongly lensed SN with multiple resolved images, were detected in…”
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Origin of the Strong Sodium Absorption of the Lensed Supernova 2016geu at z = 0.4 by Gall, Christa, Hjorth, Jens, Christensen, Lise, Izzo, Luca, Mazzali, Paolo A., Phillips, Mark M., Hoeflich, Peter, Angus, Charlotte, Cold, Cecilie, Selsing, Jonatan

“…Abstract The origin of strong sodium absorption, which has been observed for a few nearby Type Ia supernovae (SNe Ia), remains elusive. Here we analyze two…”
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A Carbon/Oxygen-dominated Atmosphere Days after Explosion for the “Super-Chandrasekhar” Type Ia SN 2020esm by Dimitriadis, Georgios, Foley, Ryan J., Arendse, Nikki, Coulter, David A., Jacobson-Galán, Wynn V., Siebert, Matthew R., Izzo, Luca, Jones, David O., Kilpatrick, Charles D., Pan, Yen-Chen, Taggart, Kirsty, Auchettl, Katie, Gall, Christa, Hjorth, Jens, Kasen, Daniel, Piro, Anthony L., Raimundo, Sandra I., Ramirez-Ruiz, Enrico, Rest, Armin, Swift, Jonathan J., Woosley, Stan E.

“…Abstract Seeing pristine material from the donor star in a type Ia supernova (SN Ia) explosion can reveal the nature of the binary system. In this paper, we…”
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Main Sequence to Starburst Transitioning Galaxies: Gamma-Ray Burst Hosts at z ∼ 2 by Nadolny, Jakub, Michałowski, Michał Jerzy, Rizzo, J. Ricardo, Karska, Agata, Rasmussen, Jesper, Sollerman, Jesper, Hjorth, Jens, Rossi, Andrea, Solar, Martín, Wróblewski, Radosław, Leśniewska, Aleksandra

“…Abstract Star-forming galaxies populate a main sequence (MS), a well-defined relation between stellar mass ( M * ) and star formation rate (SFR). Starburst…”
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