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1. A recently quenched galaxy 700 million years after the Big Bang

Author

Looser, Tobias J., primary, D’Eugenio, Francesco, additional, Maiolino, Roberto, additional, Witstok, Joris, additional, Sandles, Lester, additional, Curtis-Lake, Emma, additional, Chevallard, Jacopo, additional, Tacchella, Sandro, additional, Johnson, Benjamin D., additional, Baker, William M., additional, Suess, Katherine A., additional, Carniani, Stefano, additional, Ferruit, Pierre, additional, Arribas, Santiago, additional, Bonaventura, Nina, additional, Bunker, Andrew J., additional, Cameron, Alex J., additional, Charlot, Stephane, additional, Curti, Mirko, additional, de Graaff, Anna, additional, Maseda, Michael V., additional, Rawle, Tim, additional, Rix, Hans-Walter, additional, Del Pino, Bruno Rodríguez, additional, Smit, Renske, additional, Übler, Hannah, additional, Willott, Chris, additional, Alberts, Stacey, additional, Egami, Eiichi, additional, Eisenstein, Daniel J., additional, Endsley, Ryan, additional, Hausen, Ryan, additional, Rieke, Marcia, additional, Robertson, Brant, additional, Shivaei, Irene, additional, Williams, Christina C., additional, Boyett, Kristan, additional, Chen, Zuyi, additional, Ji, Zhiyuan, additional, Jones, Gareth C., additional, Kumari, Nimisha, additional, Nelson, Erica, additional, Perna, Michele, additional, Saxena, Aayush, additional, and Scholtz, Jan, additional

Published
2024
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2. Quenching of star formation from a lack of inflowing gas to galaxies

Author

Whitaker, Katherine E., Williams, Christina C., Mowla, Lamiya, Spilker, Justin S., Toft, Sune, Narayanan, Desika, Pope, Alexandra, Magdis, Georgios E., van Dokkum, Pieter G., Akhshik, Mohammad, Bezanson, Rachel, Brammer, Gabriel B., Leja, Joel, Man, Allison, Nelson, Erica J., Richard, Johan, and Pacifici, Camilla

Subjects
Star formation -- Research, Astronomical research, Galaxies -- Natural history, Environmental issues, Science and technology, Zoology and wildlife conservation
Abstract

Star formation in half of massive galaxies was quenched by the time the Universe was 3 billion years old.sup.1. Very low amounts of molecular gas seem to be responsible for this, at least in some cases.sup.2-7, although morphological gas stabilization, shock heating or activity associated with accretion onto a central supermassive black hole are invoked in other cases.sup.8-11. Recent studies of quenching by gas depletion have been based on upper limits that are insufficiently sensitive to determine this robustly.sup.2-7, or stacked emission with its problems of averaging.sup.8,9. Here we report 1.3 mm observations of dust emission from 6 strongly lensed galaxies where star formation has been quenched, with magnifications of up to a factor of 30. Four of the six galaxies are undetected in dust emission, with an estimated upper limit on the dust mass of 0.0001 times the stellar mass, and by proxy (assuming a Milky Way molecular gas-to-dust ratio) 0.01 times the stellar mass in molecular gas. This is two orders of magnitude less molecular gas per unit stellar mass than seen in star forming galaxies at similar redshifts.sup.12-14. It remains difficult to extrapolate from these small samples, but these observations establish that gas depletion is responsible for a cessation of star formation in some fraction of high-redshift galaxies. The authors report 1.3 mm observations of dust emission from strongly lensed galaxies where star formation is quenched, demonstrating that gas depletion is responsible for the cessation of star formation in some high-redshift galaxies., Author(s): Katherine E. Whitaker [sup.1] [sup.2] , Christina C. Williams [sup.3] , Lamiya Mowla [sup.4] , Justin S. Spilker [sup.5] , Sune Toft [sup.2] [sup.6] , Desika Narayanan [sup.2] [sup.7] [...]

Published
2021
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3. Spectroscopic confirmation of two luminous galaxies at a redshift of 14

Author

Carniani, Stefano, Hainline, Kevin, D’Eugenio, Francesco, Eisenstein, Daniel J., Jakobsen, Peter, Witstok, Joris, Johnson, Benjamin D., Chevallard, Jacopo, Maiolino, Roberto, Helton, Jakob M., Willott, Chris, Robertson, Brant, Alberts, Stacey, Arribas, Santiago, Baker, William M., Bhatawdekar, Rachana, Boyett, Kristan, Bunker, Andrew J., Cameron, Alex J., Cargile, Phillip A., Charlot, Stéphane, Curti, Mirko, Curtis-Lake, Emma, Egami, Eiichi, Giardino, Giovanna, Isaak, Kate, Ji, Zhiyuan, Jones, Gareth C., Kumari, Nimisha, Maseda, Michael V., Parlanti, Eleonora, Pérez-González, Pablo G., Rawle, Tim, Rieke, George, Rieke, Marcia, Del Pino, Bruno Rodríguez, Saxena, Aayush, Scholtz, Jan, Smit, Renske, Sun, Fengwu, Tacchella, Sandro, Übler, Hannah, Venturi, Giacomo, Williams, Christina C., and Willmer, Christopher N. A.

Abstract

The first observations of the James Webb Space Telescope (JWST) have revolutionized our understanding of the Universe by identifying galaxies at redshift z≈ 13 (refs. 1–3). In addition, the discovery of many luminous galaxies at Cosmic Dawn (z> 10) has suggested that galaxies developed rapidly, in apparent tension with many standard models4–8. However, most of these galaxies lack spectroscopic confirmation, so their distances and properties are uncertain. Here we present JWST Advanced Deep Extragalactic Survey–Near-Infrared Spectrograph spectroscopic confirmation of two luminous galaxies at z=14.32−0.20+0.08and z= 13.90 ± 0.17. The spectra reveal ultraviolet continua with prominent Lyman-α breaks but no detected emission lines. This discovery proves that luminous galaxies were already in place 300 million years after the Big Bang and are more common than what was expected before JWST. The most distant of the two galaxies is unexpectedly luminous and is spatially resolved with a radius of 260 parsecs. Considering also the very steep ultraviolet slope of the second galaxy, we conclude that both are dominated by stellar continuum emission, showing that the excess of luminous galaxies in the early Universe cannot be entirely explained by accretion onto black holes. Galaxy formation models will need to address the existence of such large and luminous galaxies so early in cosmic history.

Published
2024
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4. Most of the photons that reionized the Universe came from dwarf galaxies

Author

Atek, Hakim, primary, Labbé, Ivo, additional, Furtak, Lukas J., additional, Chemerynska, Iryna, additional, Fujimoto, Seiji, additional, Setton, David J., additional, Miller, Tim B., additional, Oesch, Pascal, additional, Bezanson, Rachel, additional, Price, Sedona H., additional, Dayal, Pratika, additional, Zitrin, Adi, additional, Kokorev, Vasily, additional, Weaver, John R., additional, Brammer, Gabriel, additional, Dokkum, Pieter van, additional, Williams, Christina C., additional, Cutler, Sam E., additional, Feldmann, Robert, additional, Fudamoto, Yoshinobu, additional, Greene, Jenny E., additional, Leja, Joel, additional, Maseda, Michael V., additional, Muzzin, Adam, additional, Pan, Richard, additional, Papovich, Casey, additional, Nelson, Erica J., additional, Nanayakkara, Themiya, additional, Stark, Daniel P., additional, Stefanon, Mauro, additional, Suess, Katherine A., additional, Wang, Bingjie, additional, and Whitaker, Katherine E., additional

Published
2024
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5. A high black hole to host mass ratio in a lensed AGN in the early Universe

Author

Furtak, Lukas J., primary, Labbé, Ivo, additional, Zitrin, Adi, additional, Greene, Jenny E., additional, Dayal, Pratika, additional, Chemerynska, Iryna, additional, Kokorev, Vasily, additional, Miller, Tim B., additional, Goulding, Andy D., additional, Graaff, Anna de, additional, Bezanson, Rachel, additional, Brammer, Gabriel B., additional, Cutler, Sam E., additional, Leja, Joel, additional, Pan, Richard, additional, Price, Sedona H., additional, Wang, Bingjie, additional, Weaver, John R., additional, Whitaker, Katherine E., additional, Atek, Hakim, additional, Bogdán, Ákos, additional, Charlot, Stéphane, additional, Curtis-Lake, Emma, additional, Dokkum, Pieter van, additional, Endsley, Ryan, additional, Feldmann, Robert, additional, Fudamoto, Yoshinobu, additional, Fujimoto, Seiji, additional, Glazebrook, Karl, additional, Juneau, Stéphanie, additional, Marchesini, Danilo, additional, Maseda, Micheal V., additional, Nelson, Erica, additional, Oesch, Pascal A., additional, Plat, Adèle, additional, Setton, David J., additional, Stark, Daniel P., additional, and Williams, Christina C., additional

Published
2024
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6. A small and vigorous black hole in the early Universe

Author

Maiolino, Roberto, primary, Scholtz, Jan, additional, Witstok, Joris, additional, Carniani, Stefano, additional, D’Eugenio, Francesco, additional, de Graaff, Anna, additional, Übler, Hannah, additional, Tacchella, Sandro, additional, Curtis-Lake, Emma, additional, Arribas, Santiago, additional, Bunker, Andrew, additional, Charlot, Stéphane, additional, Chevallard, Jacopo, additional, Curti, Mirko, additional, Looser, Tobias J., additional, Maseda, Michael V., additional, Rawle, Timothy D., additional, Rodríguez del Pino, Bruno, additional, Willott, Chris J., additional, Egami, Eiichi, additional, Eisenstein, Daniel J., additional, Hainline, Kevin N., additional, Robertson, Brant, additional, Williams, Christina C., additional, Willmer, Christopher N. A., additional, Baker, William M., additional, Boyett, Kristan, additional, DeCoursey, Christa, additional, Fabian, Andrew C., additional, Helton, Jakob M., additional, Ji, Zhiyuan, additional, Jones, Gareth C., additional, Kumari, Nimisha, additional, Laporte, Nicolas, additional, Nelson, Erica J., additional, Perna, Michele, additional, Sandles, Lester, additional, Shivaei, Irene, additional, and Sun, Fengwu, additional

Published
2024
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7. Carbonaceous dust grains seen in the first billion years of cosmic time

Author

Witstok, Joris, primary, Shivaei, Irene, additional, Smit, Renske, additional, Maiolino, Roberto, additional, Carniani, Stefano, additional, Curtis-Lake, Emma, additional, Ferruit, Pierre, additional, Arribas, Santiago, additional, Bunker, Andrew J., additional, Cameron, Alex J., additional, Charlot, Stephane, additional, Chevallard, Jacopo, additional, Curti, Mirko, additional, de Graaff, Anna, additional, D’Eugenio, Francesco, additional, Giardino, Giovanna, additional, Looser, Tobias J., additional, Rawle, Tim, additional, Rodríguez del Pino, Bruno, additional, Willott, Chris, additional, Alberts, Stacey, additional, Baker, William M., additional, Boyett, Kristan, additional, Egami, Eiichi, additional, Eisenstein, Daniel J., additional, Endsley, Ryan, additional, Hainline, Kevin N., additional, Ji, Zhiyuan, additional, Johnson, Benjamin D., additional, Kumari, Nimisha, additional, Lyu, Jianwei, additional, Nelson, Erica, additional, Perna, Michele, additional, Rieke, Marcia, additional, Robertson, Brant E., additional, Sandles, Lester, additional, Saxena, Aayush, additional, Scholtz, Jan, additional, Sun, Fengwu, additional, Tacchella, Sandro, additional, Williams, Christina C., additional, and Willmer, Christopher N. A., additional

Published
2023
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8. Author Correction: A small and vigorous black hole in the early Universe

Author

Maiolino, Roberto, Scholtz, Jan, Witstok, Joris, Carniani, Stefano, D’Eugenio, Francesco, de Graaff, Anna, Übler, Hannah, Tacchella, Sandro, Curtis-Lake, Emma, Arribas, Santiago, Bunker, Andrew, Charlot, Stéphane, Chevallard, Jacopo, Curti, Mirko, Looser, Tobias J., Maseda, Michael V., Rawle, Timothy D., Rodríguez del Pino, Bruno, Willott, Chris J., Egami, Eiichi, Eisenstein, Daniel J., Hainline, Kevin N., Robertson, Brant, Williams, Christina C., Willmer, Christopher N. A., Baker, William M., Boyett, Kristan, DeCoursey, Christa, Fabian, Andrew C., Helton, Jakob M., Ji, Zhiyuan, Jones, Gareth C., Kumari, Nimisha, Laporte, Nicolas, Nelson, Erica J., Perna, Michele, Sandles, Lester, Shivaei, Irene, and Sun, Fengwu

Published
2024
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