Search Results - "Trenti, Michele"
-
1
The brightest galaxies at cosmic dawn
Published in Monthly notices of the Royal Astronomical Society (02-03-2023)“…ABSTRACT Recent JWST observations suggest an excess of z ≳ 10 galaxy candidates above most theoretical models. Here, we explore how the interplay between halo…”
Get full text
Journal Article -
2
THE GALAXY UV LUMINOSITY FUNCTION BEFORE THE EPOCH OF REIONIZATION
Published in The Astrophysical journal (01-11-2015)“…ABSTRACT We present a model for the evolution of the galaxy ultraviolet (UV) luminosity function (LF) across cosmic time where star formation is linked to the…”
Get full text
Journal Article -
3
THE CLOSE STELLAR COMPANIONS TO INTERMEDIATE-MASS BLACK HOLES
Published in The Astrophysical journal (01-03-2016)“…ABSTRACT When embedded in dense cluster cores, intermediate-mass black holes (IMBHs) acquire close stellar or stellar-remnant companions. These companions are…”
Get full text
Journal Article -
4
Globular cluster formation and evolution in the context of cosmological galaxy assembly: open questions
Published in Proceedings of the Royal Society. A, Mathematical, physical, and engineering sciences (01-02-2018)“…We discuss some of the key open questions regarding the formation and evolution of globular clusters (GCs) during galaxy formation and assembly within a…”
Get full text
Journal Article -
5
Inferences on the timeline of reionization at z ∼ 8 from the KMOS Lens-Amplified Spectroscopic Survey
Published in Monthly notices of the Royal Astronomical Society (21-05-2019)“…Abstract Detections and non-detections of Lyman alpha (Lyα) emission from z > 6 galaxies (<1 Gyr after the big bang) can be used to measure the timeline of…”
Get full text
Journal Article -
6
The environment of bright QSOs at z ∼ 6: star-forming galaxies and X-ray emission
Published in Monthly notices of the Royal Astronomical Society (01-04-2014)“…We employ cosmological hydrodynamical simulations to investigate models in which the supermassive black holes powering luminous z ∼ 6 quasars (QSOs) grow from…”
Get full text
Journal Article -
7
The Brightest Galaxies at Cosmic Dawn from Scatter in the Galaxy Luminosity versus Halo Mass Relation
Published in The Astrophysical journal (20-06-2019)“…The Ultraviolet Luminosity Function (UVLF) is a key observable for understanding galaxy formation from cosmic dawn. There has been considerable debate on…”
Get full text
Journal Article -
8
Early Results from GLASS-JWST. III. Galaxy Candidates at z ∼9–15
Published in Astrophysical journal. Letters (01-10-2022)“…Abstract We present the results of a first search for galaxy candidates at z ∼ 9–15 on deep seven-band NIRCam imaging acquired as part of the GLASS-James Webb…”
Get full text
Journal Article -
9
RELICS: Reionization Lensing Cluster Survey
Published in The Astrophysical journal (10-10-2019)“…Large surveys of galaxy clusters with the Hubble Space Telescope (HST) and Spitzer, including the Cluster Lensing And Supernova survey with Hubble and the…”
Get full text
Journal Article -
10
Kindling the First Stars. I. Dependence of Detectability of the First Stars with JWST on the Population III Stellar Masses
Published in The Astrophysical journal (01-02-2024)“…Abstract The first Population III (Pop III) stars formed out of primordial, metal-free gas, in minihalos at z > 20, and kickstarted the cosmic processes of…”
Get full text
Journal Article -
11
The size–luminosity relation of lensed galaxies at z ∼ 6–9 in the Hubble Frontier Fields
Published in Monthly notices of the Royal Astronomical Society (07-06-2022)“…ABSTRACT We measure the size–luminosity relation of photometrically selected galaxies within the redshift range z ∼ 6–9, using galaxies lensed by six…”
Get full text
Journal Article -
12
The Puzzling Properties of the MACS1149-JD1 Galaxy at z = 9.11
Published in Astrophysical journal. Letters (01-11-2023)“…Abstract We analyze new JWST NIRCam and NIRSpec data on the redshift 9.11 galaxy MACS1149-JD1 (hereafter JD1). Our NIRCam imaging data reveal that JD1…”
Get full text
Journal Article -
13
RELICS: The Reionization Lensing Cluster Survey and the Brightest High-z Galaxies
Published in The Astrophysical journal (01-02-2020)“…Massive foreground galaxy clusters magnify and distort the light of objects behind them, permitting a view into both the extremely distant and intrinsically…”
Get full text
Journal Article -
14
Enhanced Subkiloparsec-scale Star Formation: Results from a JWST Size Analysis of 341 Galaxies at 5 < z < 14
Published in The Astrophysical journal (01-03-2024)“…Abstract We present a comprehensive search and analysis of high-redshift galaxies in a suite of nine public JWST extragalactic fields taken in Cycle 1,…”
Get full text
Journal Article -
15
Deep ALMA redshift search of a z ∼ 12 GLASS-JWST galaxy candidate
Published in Monthly notices of the Royal Astronomical Society (17-01-2023)“…ABSTRACT The JWST has discovered a surprising abundance of bright galaxy candidates in the very early universe (≤500 Myr after the Big Bang), calling into…”
Get full text
Journal Article -
16
Discovery of Strongly Inverted Metallicity Gradients in Dwarf Galaxies at z ∼ 2
Published in The Astrophysical journal (10-09-2019)“…We report the first measurements with sub-kiloparsec spatial resolution of strongly inverted gas-phase metallicity gradients in two dwarf galaxies at z ∼ 2…”
Get full text
Journal Article -
17
Tidal Disruption, Global Mass Function, and Structural Parameter Evolution in Star Clusters
Published in The Astrophysical journal (10-01-2010)“…We present a unified picture for the evolution of star clusters on the two-body relaxation timescale. We use direct N-body simulations of star clusters in a…”
Get full text
Journal Article -
18
The Physical Properties of Luminous z ≳ 8 Galaxies and Implications for the Cosmic Star Formation Rate Density from ∼0.35 deg2 of (Pure-)Parallel HST Observations
Published in The Astrophysical journal (01-03-2022)“…We present the largest systematic, Hubble Space Telescope (HST)–based search to date for luminous z ≳ 8 galaxy candidates using ∼1267 arcmin2 of…”
Get full text
Journal Article -
19
Early Results from GLASS-JWST. XXII. Rest-frame UV–Optical Spectral Properties of Lyα Emitting Galaxies at 3 < z < 6
Published in Astrophysical journal. Letters (01-07-2023)“…Abstract Ly α emission is possibly the best indirect diagnostic of Lyman continuum (LyC) escape since the conditions that favor the escape of Ly α photons are…”
Get full text
Journal Article -
20
Diverse Oxygen Abundance in Early Galaxies Unveiled by Auroral Line Analysis with JWST
Published in The Astrophysical journal (01-08-2024)“…Abstract We present deep JWST NIRSpec observations in the sight line of MACS J1149.5+2223, a massive cluster of galaxies at z = 0.54. We report the…”
Get full text
Journal Article