311 citations · 1.9k across the 55 of their papers we have counts for
56 papers
Euclid: Data Release 1 (DR1) -- Fornax-7, an ultra-faint companion to the Fornax dwarf spheroidal galaxy? A remote star cluster or dwarf satellite of the Fornax dSph
T. Saifollahi, A. Lançon, A. M. N. Ferguson +165
We report the discovery of an ultra-faint stellar system in the vicinity of the Fornax dwarf spheroidal (dSph) galaxy in Euclid DR1. This system, which we designate Fornax-7, is lo…
Euclid: The convective-transition gap of 47 Tuc
M. Libralato, M. Griggio, R. Gerasimov +140
We report the first detection of the `convective-transition gap' (also known as `M-dwarf gap') in the globular cluster 47 Tuc (NGC 104) thanks to Euclid data. This feature, linked…
The VMC survey -- LV. The coherent expansion of the SMC
S. Vijayasree, F. Niederhofer, M. -R. L. Cioni +8
The Small Magellanic Cloud (SMC) exhibits significant kinematic disequilibrium due to interactions with the Large Magellanic Cloud (LMC). Here, we investigate the two-dimensional s…
Hubble Space Telescope proper motions of Large Magellanic Cloud star clusters -- II. Kinematic structure of young and intermediate-age clusters
F. Niederhofer, L. Cullinane, D. Massari +14
In this paper, we explore the kinematic properties of a sample of 19 young (<1 Gyr) and intermediate-age (1-2.5 Gyr) massive star clusters within the Large Magellanic Cloud (LMC).…
Serendipitous Discovery of a Faint Planetary Nebula in the Massive Young LMC Cluster NGC 1866
Howard E. Bond, Nate Bastian, Andrea Bellini +5
During an integral-field spectroscopic study of stars in the massive young open cluster NGC 1866 in the Large Magellanic Cloud, we serendipitously discovered a faint planetary nebu…
Cluster Ages to Reconstruct the Milky Way Assembly (CARMA) IV. Chrono-dynamics of seven old star clusters in the Large Magellanic Cloud and the peculiar origin of NGC 1841
F. Niederhofer, D. Massari, F. Aguado-Agelet +15
In this study, we report conclusive evidence for an ancient star cluster that has been accreted by the Large Magellanic Cloud (LMC). By leveraging observations from the Hubble Spac…
Testing the Role of Merging Binaries in the Formation of the Split Main Sequence in Young Clusters
Nate Bastian, Sebastian Kamann, Florian Niederhofer +1
A number of theories have been put forward to explain the bi-modal stellar rotational distribution observed in young massive clusters. These include stellar mergers and interaction…
Tracing stellar rotation in young massive LMC clusters
Sebastian Kamann, Nate Bastian, Florian Niederhofer +8
We present a detailed analysis of stellar rotation along the main sequences of NGC 1866 and NGC 1856, two young (~200-300 Myr) massive clusters in the Large Magellanic Cloud, using…
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…
Hubble Space Telescope proper motions of Large Magellanic Cloud star clusters -- I. Catalogues and results for NGC 1850
F. Niederhofer, A. Bellini, V. Kozhurina-Platais +11
We present proper motion (PM) measurements for a sample of 23 massive star clusters within the Large Magellanic Cloud using multi-epoch data from the Hubble Space Telescope (HST).…
The effects of stellar rotation along the main sequence of the 100 Myr old massive cluster NGC 1850
Sebastian Kamann, Sara Saracino, Nate Bastian +13
Young star clusters enable us to study the effects of stellar rotation on an ensemble of stars of the same age and across a wide range in stellar mass and are therefore ideal targe…
The VMC survey -- XLVI. Stellar proper motions in the centre of the Large Magellanic Cloud
F. Niederhofer, M. -R. L. Cioni, T. Schmidt +7
We present proper motion (PM) measurements within the central region of the Large Magellanic Cloud (LMC) using near-infrared data from the VISTA survey of the Magellanic Cloud syst…
The VMC survey -- XLV. Proper motion of the outer LMC and the impact of the SMC
Thomas Schmidt, Maria-Rosa L. Cioni, Florian Niederhofer +8
The Large Magellanic Cloud (LMC) is the most luminous satellite galaxy of the Milky Way and owing to its companion, the Small Magellanic Cloud (SMC), represents an excellent labora…
Presence of red giant population in the foreground stellar sub-structure of the Small Magellanic Cloud
Dizna James, Smitha Subramanian, Abinaya O. Omkumar +8
The eastern region of the Small Magellanic Cloud (SMC) is found to have a foreground stellar sub-structure, which is identified as a distance bimodality (12 kpc apart) in the previ…
The VMC survey -- XLIV: Mapping metallicity trends in the Large Magellanic Cloud using near-infrared passbands
Samyaday Choudhury, Richard de Grijs, Kenji Bekki +9
We have derived high-spatial-resolution metallicity maps covering 105~deg across the Large Magellanic Cloud (LMC) using near-infrared passbands from the VISTA Survey of t…
Role of host galaxy in the formation of multiple stellar populations: Analysis of NGC 1786 and NGC 1898
Viswajith Vanaraj, Florian Niederhofer, Paul Goudfrooij
Even after decades of research, the origin of multiple stellar populations in globular clusters remains enigmatic. The question as to whether the galaxy environment plays a role in…
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…
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…
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…
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; …
The VMC survey -- XXXIX: Mapping metallicity trends in the Small Magellanic Cloud using near-infrared passbands
Samyaday Choudhury, Richard de Grijs, Stefano Rubele +7
We have derived high spatial resolution metallicity maps covering 42 deg across the Small Magellanic Cloud (SMC) in an attempt to understand its metallicity distribution…
The VMC survey -- XXXVIII. Proper motion of the Magellanic Bridge
Thomas Schmidt, Maria-Rosa L. Cioni, Florian Niederhofer +14
The Magellanic Clouds are a nearby pair of interacting dwarf galaxies and satellites of the Milky Way. Studying their kinematic properties is essential to understanding their origi…
Searching for globular cluster chemical anomalies on the main sequence of a young massive cluster
I. Cabrera-Ziri, J. S. Speagle, E. Dalessandro +9
The spectroscopic and photometric signals of the star-to-star abundance variations found in globular clusters seem to be correlated with global parameters like the cluster's metall…
The VMC survey -- XXXVI. Young stellar variability in the Large Magellanic Cloud
Viktor Zivkov, Joana M. Oliveira, Monika G. Petr-Gotzens +11
Studies of young stellar objects (YSOs) in the Galaxy have found that a significant fraction exhibit photometric variability. However, no systematic investigation has been conducte…