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cogsworth: A Gala of COSMIC Proportions Combining Binary Stellar Evolution and Galactic Dynamics
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The JWST-SUSPENSE Ultradeep Spectroscopic Program: Survey Overview and Star Formation Histories of Quiescent Galaxies at 1 < z < 3
Published 2024-01-01“…Furthermore, the typical SFHs of the galaxies in these two redshift bins ( z _mean = 2.2 [1.3]) indicate that galaxies at higher redshift formed earlier and over shorter star formation timescales compared to lower redshifts. Although this evolution is naturally explained by the growth of the quiescent galaxy population over cosmic time, number density calculations imply that mergers and/or late-time star formation also contribute to the evolution. …”
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COSMIC: A Galaxy Cluster–Finding Algorithm Using Machine Learning
Published 2025-01-01“…Our methodology showcases robust performance in galaxy cluster detection and holds promising prospects for applications in upcoming large-scale surveys. The COSMIC codes are published on https://github.com/tdccccc/COSMIC .…”
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MAMMOTH-Subaru. II. Diverse Populations of Circumgalactic Lyα Nebulae at Cosmic Noon
Published 2024-01-01“…Ly α nebulae provide critical insights into the formation and evolution of today’s massive cluster galaxies at cosmic noon.…”
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Unveiling the Cosmic Chemistry: Revisiting the Mass–Metallicity Relation with JWST/NIRSpec at 4 < z < 10
Published 2025-01-01“…Beyond z = 8, we observe a significant deviation (∼0.27 dex) in FMR, consistent with recent JWST findings. We also integrate Cosmic Evolution Early Release Science (135 galaxies) and JADES (47 galaxies) samples with our data to study the metallicity evolution with redshift in a combined sample of 263 galaxies, revealing a decreasing metallicity trend with a slope of 0.067 ± 0.013, consistent with IllustrisTNG and EAGLE but contradicting the FIRE simulations. …”
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The Lyman Continuum Escape Fraction of Star-forming Galaxies at 2.4 ≲ z ≲ 3.0 from UVCANDELS
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The PANORAMIC Survey: Pure Parallel Wide Area Legacy Imaging with JWST/NIRCam
Published 2025-01-01“…Pure parallel observing naturally creates a “wedding cake” survey with both wide and ultra-deep tiers, with 5 σ point-source depths at F444W ranging from 27.8–29.4 (ABmag), and with minimized cosmic variance. …”
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CEERS: Increasing Scatter along the Star-forming Main Sequence Indicates Early Galaxies Form in Bursts
Published 2025-01-01“…We present the star formation rate–stellar mass (SFR– M _* ) relation for galaxies in the Cosmic Evolution Early Release Science survey at 4.5 ≤ z ≤ 12. …”
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The MBH–M∗ Relation up to z ∼ 2 through Decomposition of COSMOS-Web NIRCam Images
Published 2025-01-01“…Considering selection biases and measurement uncertainties, we find that the M _BH / M _* ratio evolves as ${\left(1+z\right)}^{0.4{8}_{-0.62}^{+0.31}}$ thus remains essentially constant or exhibits mild evolution up to z ∼ 2.5. We also see an amount of scatter ( ${\sigma }_{\mu }=0.3{0}_{-0.13}^{+0.14}$ ), similar to the local relation and consistent with low- z studies, and a noncausal cosmic assembly history where mergers contribute to the statistical averaging toward the local relation is still feasible. …”
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The Prevalence of Star-forming Clumps as a Function of Environmental Overdensity in Local Galaxies
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Detectability of Self-lensing Flares of White Dwarfs with Compact Companions
Published 2025-01-01“…We provide a quantitative analysis of the detectability of double-compact object self-lensing flares across the landscape of system parameters, and a qualitative discussion of survey and follow-up approaches to distinguish such flares from confounding events, such as stellar flares, satellite glints, and cosmic rays. …”
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On the Formation of Planets in the Milky Way’s Thick Disk
Published 2025-01-01“…Exoplanet demographic surveys have revealed that close-in (≲1 au) small planets orbiting stars in the Milky Way’s thick disk are ∼50% less abundant than those orbiting stars in the Galactic thin disk. …”
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