Little Red Dots: An Abundant Population of Faint Active Galactic Nuclei at z ∼ 5 Revealed by the EIGER and FRESCO JWST Surveys

Autor: Jorryt Matthee, Rohan P. Naidu, Gabriel Brammer, John Chisholm, Anna-Christina Eilers, Andy Goulding, Jenny Greene, Daichi Kashino, Ivo Labbe, Simon J. Lilly, Ruari Mackenzie, Pascal A. Oesch, Andrea Weibel, Stijn Wuyts, Mengyuan Xiao, Rongmon Bordoloi, Rychard Bouwens, Pieter van Dokkum, Garth Illingworth, Ivan Kramarenko, Michael V. Maseda, Charlotte Mason, Romain A. Meyer, Erica J. Nelson, Naveen A. Reddy, Irene Shivaei, Robert A. Simcoe, Minghao Yue

Publikováno v: The Astrophysical Journal, Vol 963, Iss 2, p 129 (2024)

Characterizing the prevalence and properties of faint active galactic nuclei (AGNs) in the early Universe is key for understanding the formation of supermassive black holes (SMBHs) and determining their role in cosmic reionization. We perform a spect

Externí odkaz: https://doaj.org/article/281e2719ca694d0ba3610005b2e977cf

UV Luminosity Density Results at z>8 from the First JWST/NIRCam Fields: Limitations of Early Data Sets and the Need for Spectroscopy

Autor: Rychard Bouwens, Garth Illingworth, Pascal Oesch, Mauro Stefanon, Rohan Naidu, Ivana van Leeuwen, Dan Magee

We have derived luminosity functions, and set constraints on the UV luminosity and SFR density from z~17 to z~8, using the three most-studied JWST/NIRCam data sets, the SMACS0723, GLASS Parallel, and CEERS fields. We first used our own selections on

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7c240a4ee1edf5f9d097b9e944898f06
http://arxiv.org/abs/2212.06683

Dual constraints with ALMA: new [O III] 88 ${\rm \mu}$m and dust-continuum observations reveal the ISM conditions of luminous LBGs at $z \sim 7$

Autor: Joris Witstok, Renske Smit, Roberto Maiolino, Nimisha Kumari, Manuel Aravena, Leindert Boogaard, Rychard Bouwens, Stefano Carniani, Jacqueline A Hodge, Gareth C Jones, Mauro Stefanon, Paul van der Werf, Sander Schouws

Publikováno v: Monthly Notices of the Royal Astronomical Society, 515(2), 1751-1773

We present new [O III] 88 ${\rm \mu}$m observations of five bright $z \sim 7$ Lyman-break galaxies spectroscopically confirmed by ALMA through the [C II] 158 ${\rm \mu}$m line, unlike recent [O III] detections where Lyman-${\rm \alpha}$ was used. Thi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6bdb14444e238be074d8b9a73fba1d0c
http://arxiv.org/abs/2207.00022

Elevated ionizing photon production efficiency in faint high-equivalent-width Lyman-α emitters

Autor: Daniel Lam, Jarle Brinchmann, Takuya Hashimoto, Roland Bacon, Ivo Labbé, Guillaume Mahler, Marijn Franx, Rychard Bouwens, Johan Richard, Kasper B. Schmidt, Haruka Kusakabe, Themiya Nanayakkara, Jorryt Matthee, Lutz Wisotzki, Joop Schaye, Sebastiano Cantalupo, Michael V. Maseda, Leindert Boogaard, Hanae Inami

Publikováno v: Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2020, 493, pp.5120-5130. ⟨10.1093/mnras/staa622⟩
Monthly Notices of the Royal Astronomical Society, 493(4), 5120-5130
Monthly Notices of the Royal Astronomical Society, 493 (4)

While low-luminosity galaxies dominate number counts at all redshifts, their contribution to cosmic reionization is poorly understood due to a lack of knowledge of their physical properties. We isolate a sample of 35 z ≈ 4–5 continuum-faint Lyman

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a1962debc37bad0d89c883c32133113e
https://doi.org/10.1093/mnras/staa622

The ALMA REBELS Survey: Dust Continuum Detections at z > 6.5

Autor: Hanae Inami, Hiddo S B Algera, Sander Schouws, Laura Sommovigo, Rychard Bouwens, Renske Smit, Mauro Stefanon, Rebecca A A Bowler, Ryan Endsley, Andrea Ferrara, Pascal Oesch, Daniel Stark, Manuel Aravena, Laia Barrufet, Elisabete da Cunha, Pratika Dayal, Ilse De Looze, Yoshinobu Fudamoto, Valentino Gonzalez, Luca Graziani, Jacqueline A Hodge, Alexander P S Hygate, Themiya Nanayakkara, Andrea Pallottini, Dominik A Riechers, Raffaella Schneider, Michael Topping, Paul van der Werf

Publikováno v: Monthly Notices of the Royal Astronomical Society
Inami, H, Algera, H S B, Schouws, S, Sommovigo, L, Bouwens, R, Smit, R, Stefanon, M, Bowler, R A A, Endsley, R, Ferrara, A, Oesch, P, Stark, D, Aravena, M, Barrufet, L, da Cunha, E, Dayal, P, De Looze, I, Fudamoto, Y, Gonzalez, V, Graziani, L, Hodge, J A, Hygate, A P S, Nanayakkara, T, Pallottini, A, Riechers, D A, Schneider, R, Topping, M & van der Werf, P 2022, ' The ALMA REBELS Survey : dust continuum detections at z > 6.5 ', Monthly Notices of the Royal Astronomical Society, vol. 515, no. 3, pp. 3126-3143 . https://doi.org/10.1093/mnras/stac1779
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Monthly Notices of the Royal Astronomical Society, 515(3), 3126-3143
Monthly Notices of the Royal Astronomical Society, 515, 3126-3143. Oxford University Press

We report 18 dust continuum detections ($\geq 3.3\sigma$) at $\sim88{\rm \mu m}$ and $158{\rm \mu m}$ out of 49 ultraviolet(UV)-bright galaxies ($M_{\rm UV} < -21.3$ mag) at $z>6.5$, observed by the Cycle-7 ALMA Large Program, REBELS and its pilot pr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56edd121428e99c5ef53aaab07f0b6a0