output
20132026
most citedThe GALAH+ Survey: Third Data Release

626 citations

130 papers

astro-ph.GA2026

The GALAH Survey: Neutron-Capture Elemental Abundances for 350,000 Gaia-RVS spectra and the Chemodynamics of Accreted Structures

Pradosh Barun Das, Daniel B. Zucker, Aldo Mura-Guzmán +15

We present a comprehensive data-driven spectroscopic analysis of 357,415 red giant stars using Gaia DR3 Radial Velocity Spectrometer (RVS) spectra (8460-8700 A; ),…

astro-ph.GA2026

Searching for and characterizing halo substructures with the GALAH DR4 survey

Iryna Kushniruk, Kristopher Youakim, Karin Lind +12

Recent studies show that the Milky Way stellar halo is composed of populations of different origins, shaped by multiple accretion events. To better understand the formation of the…

astro-ph.SR2025★ 3 cited

The VMC Survey -- LIV. Anomalous Cepheids in the Magellanic Clouds Period-Luminosity relations in the near-infrared bands

Teresa Sicignano, Vincenzo Ripepi, Marina Rejkuba +12

Anomalous Cepheids (ACs) are less studied metal-poor pulsating stars ([Fe/H]<-1.5) compared to Classical Cepheids (CCs) and RR Lyrae stars. They follow distinct Period-Luminosity (…

astro-ph.SR2025★ 6 cited

Photometric activity cycles in fast-rotating stars: Revisiting the reality of stellar activity cycle branches

Deepak Chahal, Devika Kamath, Richard de Grijs +2

We aim to detect activity cycles in young main-sequence stars, analogous to the 11-year solar cycle, using combined photometric survey data. This research will enhance our understa…

astro-ph.GA2025★ 4 cited

The VMC survey -- LIII. Data release #7. Complete survey data and data from additional programmes

M. -R. L. Cioni, N. J. G. Cross, V. Ripepi +29

The near-infrared YJKs Visual and Infrared Survey Telescope for Astronomy (VISTA) survey of the Magellanic Clouds (VMC) is complete and there are also data from additional programm…

astro-ph.GA2025★ 7 cited

The VMC survey -- LIV. The internal kinematics of the LMC with new VISTA observations

S. Vijayasree, F. Niederhofer, M. -R. L. Cioni +10

Context: Studying the internal kinematics of galaxies provides insights into their past evolution, current dynamics, and future trajectory. The Large Magellanic Cloud (LMC), as the…

astro-ph.GA2025★ 5 cited

The GALAH survey: Improving chemical abundances using star clusters

Janez Kos, Sven Buder, Kevin L. Beeson +18

Large spectroscopic surveys aim to consistently compute stellar parameters of very diverse stars while minimizing systematic errors. We explore the use of stellar clusters as bench…

astro-ph.GA2024

An automated method to detect and characterise semi-resolved star clusters

Amy E. Miller, Zachary Slepian, Elizabeth A. Lada +8

We present a novel method for automatically detecting and characterising semi-resolved star clusters: clusters where the observational point-spread function (PSF) is smaller than t…

astro-ph.GA2024★ 8 cited

The GALAH Survey: Stellar parameters and abundances for 800,000 Gaia RVS spectra using GALAH DR4 and The Cannon

Pradosh Barun Das, Daniel B. Zucker, Gayandhi M. De Silva +15

Analysing stellar parameters and abundances from nearly one million Gaia Data Release 3 (DR3) Radial Velocity Spectrometer (RVS) spectra poses challenges due to the limited spectra…

astro-ph.GA2024★ 20 cited

The GALAH survey: Tracing the Milky Way's formation and evolution through RR Lyrae stars

Valentina D'Orazi, Nicholas Storm, Andrew R. Casey +39

Stellar mergers and accretion events have been crucial in shaping the evolution of the Milky Way (MW). These events have been dynamically identified and chemically characterised us…

astro-ph.SR2024★ 3 cited

The Origin of Young Stellar Populations in NGC 1783: Accretion of External Stars

Li Wang, Licai Deng, Xiaoying Pang +4

The presence of young stellar populations in the Large Magellanic Cloud cluster NGC 1783 has caught significant attention, with suggestions ranging from it being a genuine secondar…

astro-ph.SR2024★ 2 cited

Extended Main Sequences in Star Clusters

Chengyuan Li, Antonino P. Milone, Weijia Sun +1

Extended main sequences (eMSs) and extended main-sequence turnoffs (eMSTOs) are fascinating phenomena that are routinely observed in star clusters. These phenomena strongly challen…

astro-ph.GA2021★ 35 cited

Stellar substructures in the periphery of the Magellanic Clouds with the VISTA Hemisphere Survey from the red clump and other tracers

Dalal El Youssoufi, Maria-Rosa L. Cioni, Cameron P. M. Bell +11

We study the morphology of the stellar periphery of the Magellanic Clouds in search of substructure using near-infrared imaging data from the VISTA Hemisphere Survey (VHS). Based o…

astro-ph.GA2021★ 38 cited

The VMC Survey -- XLII. Near-infrared period-luminosity relations for RR Lyrae stars and the structure of the Large Magellanic Cloud

F. Cusano, M. I. Moretti, G. Clementini +11

We present results from an analysis of 29,000 RR Lyrae stars located in the Large Magellanic Cloud (LMC). For these objects, near-infrared time-series photometry from the VI…

astro-ph.GA2021★ 2 cited

Searching for chemical abundance variations in young star clusters in the Magellanic Clouds: NGC 411, NGC 1718 and NGC 2213

Shalmalee Kapse, Richard de Grijs, Daniel B. Zucker

The conventional picture of coeval, chemically homogeneous, populous star clusters -- known as `simple stellar populations' (SSPs) -- is a view of the past. Photometric and spectro…

astro-ph.SR2021★ 11 cited

Binary-driven stellar rotation evolution at the main-sequence turn-off in star clusters

Weijia Sun, Richard de Grijs, Licai Deng +1

The impact of stellar rotation on the morphology of star cluster colour-magnitude diagrams is widely acknowledged. However, the physics driving the distribution of the equatorial r…

astro-ph.SR2021★ 10 cited

Eclipsing Binary Populations across the Northern Galactic Plane from the KISOGP survey

Fangzhou Ren, Richard de Grijs, Huawei Zhang +8

We present a catalog of eclipsing binaries in the northern Galactic Plane from the Kiso Wide-Field Camera Intensive Survey of the Galactic Plane (KISOGP). We visually identified 70…

astro-ph.GA2021★ 36 cited

The VMC survey -- XLI. Stellar proper motions within the Small Magellanic Cloud

F. Niederhofer, M. -R. L. Cioni, S. Rubele +13

We used data from the near-infrared VISTA survey of the Magellanic Cloud system (VMC) to measure proper motions (PMs) of stars within the Small Magellanic Cloud (SMC). The data ana…

astro-ph.SR2021★ 39 cited

RR Lyrae variables in Messier 53: Near-infrared Period--Luminosity relations and the calibration using Gaia Early Data Release 3

Anupam Bhardwaj, Marina Rejkuba, Richard de Grijs +6

We present new near-infrared, , Period--Luminosity relations (PLRs) for RR Lyrae variables in the Messier 53 (M53 or NGC 5024) globular cluster. Multi-epoch observat…

astro-ph.GA2020★ 35 cited

The VMC Survey -- XL. Three-dimensional structure of the Small Magellanic Cloud as derived from red clump stars

B. L. Tatton, J. Th. van Loon, M. -R. L. Cioni +12

Galaxy interactions distort the distribution of baryonic matter and can affect star formation. The nearby Magellanic Clouds are a prime example of an ongoing galaxy interaction pro…

astro-ph.GA2020★ 626 cited

The GALAH+ Survey: Third Data Release

Sven Buder, Sanjib Sharma, Janez Kos +44

The ensemble of chemical element abundance measurements for stars, along with precision distances and orbit properties, provides high-dimensional data to study the evolution of the…

astro-ph.SR2020★ 13 cited

Multiple stellar populations at less evolved stages: detection of chemical variations among main-sequence dwarfs in NGC 1978

Chengyuan Li, Baitian Tang, Antonino P. Milone +4

Multiple stellar populations (MPs) with different chemical compositions are not exclusive features of old GCs (older than 10 Gyr). Indeed, recent studies reveal that younger cluste…

astro-ph.GA2020★ 33 cited

Gaia view of a stellar sub-structure in front of the Small Magellanic Cloud

Abinaya O. Omkumar, Smitha Subramanian, Florian Niederhofer +6

Recent observational studies identified a foreground stellar sub-structure traced by red clump (RC) stars (~ 12 kpc in front of the main body) in the eastern regions of the Small M…

astro-ph.GA2020★ 15 cited

The intrinsic reddening of the Magellanic Clouds as traced by background galaxies -- II. The Small Magellanic Cloud

Cameron P. M. Bell, Maria-Rosa L. Cioni, A. H. Wright +23

We present a map of the total intrinsic reddening across ~34 deg of the Small Magellanic Cloud (SMC) derived using optical () and near-infrared (IR; …