output
20132026
most citedThe Eighteenth Data Release of the Sloan Digital Sky Surveys: Targeting and First Spectra from SDSS-V

282 citations

Showing astro-ph.GAShow all

25 papers · 1 filter

astro-ph.GA2026

Euclid: Early Release Observations -- The formation of peanutty dwarf galaxies in Perseus

A. U. Kapoor, R. Smith, A. J. Zuiderwijk +133

Dwarf galaxies in dense cluster environments are susceptible to tidal interactions that can alter their morphology and kinematics. Boxy isophotes are well studied in massive galaxi…

astro-ph.GA2026★ 1 cited

JWST Observations of Starbursts: Dust Processing in the M82 Superwind

Serena A. Cronin, Alberto D. Bolatto, Helena M. Richie +39

We present JWST MIRI and NIRCam imaging of the inner ~5 kpc of the M82 superwind at 0.05-0.375'' (~0.9-6.5 pc) resolution. Targeted filters probe emission from polycyclic aromatic…

astro-ph.GA2026

Selecting Post-Starburst Galaxies Based on Star Formation History

Sara Starecheski, K. Decker French, Vicente Villanueva +6

Post-StarBurst (PSB) galaxies are galaxies that have undergone a large burst of star formation followed by rapid quenching. Understanding their properties as a population can help…

astro-ph.GA2026★ 2 cited

The early Universe with JWST and ALMA

Rodrigo Herrera-Camus, Natascha Förster Schreiber, Livia Vallini +2

The Atacama Large Millimeter/submillimeter Array and the James Webb Space Telescope are transforming our understanding of galaxy formation and evolution in the early Universe. By c…

astro-ph.GA2025

Black Hole merger rates in the first billion years in light of JWST data

P. F. V. Cáceres-Burgos, P. Dayal, P. Lira +3

Context. Recent James Webb Space Telescope (JWST) discoveries have unveiled an abundance of faint and massive Active Galactic Nuclei (AGNs) at high redshifts (z=4-9), that surpass…

astro-ph.GA2025★ 5 cited

JWST Observations of Starbursts: PAHs Closely Trace the Cool Phase of M82's Galactic Wind

Sebastian Lopez, Colton Ring, Adam K. Leroy +30

Stellar feedback drives multiphase gas outflows from starburst galaxies, but the interpretation of dust emission in these winds remains uncertain. To investigate this, we analyze n…

astro-ph.GA2025★ 5 cited

A large thermal energy reservoir in the nascent intracluster medium at a redshift of 4.3

Dazhi Zhou, Scott Chapman, Manuel Aravena +21

Most baryons in present-day galaxy clusters exist as hot gas (), forming the intracluster medium (ICM). Cosmological simulations predict th…

astro-ph.GA2025★ 1 cited

The CHIMERA Survey: The first CO detection in Leo T, the lowest mass known galaxy still hosting cold molecular gas

Vicente Villanueva, Matías Blaña, Alberto D. Bolatto +13

We report the first CO detection in Leo T, representing the most extreme observation of carbon monoxide molecules in the lowest stellar mass gas-rich dwarf galaxy ($\sim…

astro-ph.GA2025

Mocking IFU observations and metallicity diagnostics from cosmological simulations

A. Cornejo-Cárdenas, E. Sillero, P. B. Tissera +4

Hydrodynamic simulations are powerful tools for studying galaxy formation. However, it is crucial to test and improve the sub-grid physics underlying these simulations by comparing…

astro-ph.GA2025★ 17 cited

The MUSE view of ram pressure stripped galaxies in clusters: the GASP sample

Bianca M. Poggianti, Benedetta Vulcani, Neven Tomicic +14

We present the full sample of 76 galaxies in 39 galaxy cluster fields at z=0.04-0.07 observed with VLT/MUSE by the GASP survey. Most of them (64) were observed as possible ram pres…

astro-ph.GA2025★ 8 cited

Spatially resolved [CII]-gas conversion factor in early galaxies

L. Vallini, A. Pallottini, M. Kohandel +12

Determining how efficiently gas collapses into stars at high-redshift is key to understanding galaxy evolution in the Epoch of Reionization (EoR). Globally, this process is quantif…

astro-ph.GA2025★ 6 cited

Studying stellar populations in Omega Centauri with phylogenetics

P. Jofré, C. Aguilera-Gómez, P. Villarreal +14

The nature and formation history of our Galaxy's largest and most enigmatic stellar cluster, known as Omega Centauri (ocen) remains debated. Here, we offer a novel approach to dise…

astro-ph.GA2025★ 11 cited

ODIN: Clustering Analysis of 14,000 Lyα Emitting Galaxies at z=2.4, 3.1, and 4.5

Danisbel Herrera, Eric Gawiser, Barbara Benda +15

Lyman Alpha Emitters (LAEs) are star-forming galaxies that efficiently probe the spatial distribution of galaxies in the high redshift universe. The spatial clustering of LAEs refl…

astro-ph.GA2024★ 7 cited

The Success of Optical Variability in Uncovering AGNs in Low-stellar Mass Galaxies

S. Bernal, P. Sánchez-Sáez, P. Arévalo +3

We used random forest algorithms to classify all objects in a large portion of the sky, using optical light curves obtained, or built from images provided, by the Zwicky Transient…

astro-ph.GA2024★ 9 cited

The formation and stability of a cold disc made out of stellar winds in the Galactic Centre

Diego Calderón, Jorge Cuadra, Christopher M. P. Russell +3

The reported discovery of a cold (~10 K) disc-like structure within 0.005 pc around the super-massive black hole at the centre of the Milky Way, Sgr A*, has challenged our unde…

astro-ph.GA2024★ 3 cited

Deep kiloparsec view of the molecular gas in a massive star-forming galaxy at cosmic noon

Sebastián Arriagada-Neira, Rodrigo Herrera-Camus, Vicente Villanueva +10

We present deep ( 20 hr), high-angular resolution Atacama Large Millimeter/submillimeter Array (ALMA) observations of the and transitions,…

astro-ph.GA2024★ 4 cited

Probing the rest-frame wavelength dependence of quasar variability : Insights from the Zwicky Transient Facility Survey

P. Patel, P. Lira, P. Arévalo +3

Context: Quasar variability can potentially unlock crucial insights into the accretion process. Understanding how this variability is influenced by wavelength is crucial for valida…

astro-ph.GA2024★ 2 cited

The accreted Galaxy: An overview of TESS metal-poor accreted stars candidates

Danielle de Brito Silva, Paula Jofré, Clare Worley +2

The Milky Way is a mosaic of stars from different origins. In particular, metal-poor accreted star candidates offer a unique opportunity to better understand the accretion history…

astro-ph.GA2024★ 19 cited

SDSS1335+0728: The awakening of a black hole

P. Sánchez-Sáez, L. Hernández-García, S. Bernal +22

The galaxy SDSS1335+0728, which had exhibited no prior optical variations during the preceding two decades, began showing significant nuclear variability in the Zwicky Transient Fa…

astro-ph.GA2024★ 12 cited

The Pristine Inner Galaxy Survey (PIGS) X. Probing the early chemical evolution of the Sagittarius dwarf galaxy with carbon abundances

Federico Sestito, Anke Ardern-Arentsen, Sara Vitali +6

We aim to constrain the chemo-dynamical properties of the Sagittarius (Sgr) dwarf galaxy using carbon abundances. Our sample from the \textit{Pristine} Inner Galaxy Survey (PIGS) i…

astro-ph.GA2024★ 4 cited

A baseline on the relation between chemical patterns and birth stellar cluster

Theosamuele Signor, Paula Jofré, Luis Martí +1

The chemical composition of a star's atmosphere reflects the chemical composition of its birth environment. Therefore, it should be feasible to recognize stars born together that h…

astro-ph.GA2024★ 8 cited

Exploring the dependence of chemical traits on metallicity: chemical trends for red giant stars with asteroseismic ages

S. Vitali, D. Slumstrup, P. Jofré +5

Given the massive spectroscopic surveys and the Gaia mission, the Milky Way has turned into a unique laboratory to be explored using abundance ratios that show a strong dependency…

astro-ph.GA2023★ 282 cited

The Eighteenth Data Release of the Sloan Digital Sky Surveys: Targeting and First Spectra from SDSS-V

Andrés Almeida, Scott F. Anderson, Maria Argudo-Fernández +151

The eighteenth data release of the Sloan Digital Sky Surveys (SDSS) is the first one for SDSS-V, the fifth generation of the survey. SDSS-V comprises three primary scientific progr…

astro-ph.GA2022★ 4 cited

A tentative 1000 km s offset between the [CII] 158 m and Ly line emission in a star-forming galaxy at

R. Baier-Soto, R. Herrera-Camus, N. M. Förster Schreiber +4

GN-108036 is a star-forming galaxy at , and one of the most distant known sources in the Northern hemisphere. Based on observations from the NOrthern Extended Millimeter Ar…