425 citations · 7.4k across the 119 of their papers we have counts for
119 papers
Introducing the CZAR Loss: A Tailored Objective Function for Financial Log-Return Predictions
Joel Pfeffer, J. M. Diederik Kruijssen, Florian Stecker +1
In quantitative finance, standard regression losses are misaligned with the economics of return prediction. As the conditional mean of financial log-returns is close to zero, symme…
Flawed in Nature, Perfect through Evolution
J. M. Diederik Kruijssen
The performance of artificial intelligence (AI) and machine learning (ML) models degrades when the problem they were trained on drifts. This is a near-universal feature of real-wor…
Death of the Immortal Molecular Cloud: Resolution Dependence of the Gas-Star Formation Relation Rules out Decoupling by Stellar Drift
J. M. Diederik Kruijssen, Mélanie Chevance, Steven N. Longmore +3
Recent observations have demonstrated that giant molecular clouds (GMCs) are short-lived entities, surviving for the order of a dynamical time before turning a few percent of their…
Origin of the correlation between stellar kinematics and globular cluster system richness in ultra-diffuse galaxies
Joel Pfeffer, Steven R. Janssens, Maria Luisa Buzzo +9
Observational surveys have found that the dynamical masses of ultra-diffuse galaxies (UDGs) correlate with the richness of their globular cluster (GC) system. This could be explain…
CMZoom IV. Incipient High-Mass Star Formation Throughout the Central Molecular Zone
H Perry Hatchfield, Cara Battersby, Ashley T. Barnes +15
In this work, we constrain the star-forming properties of all possible sites of incipient high-mass star formation in the Milky Way's Galactic Center. We identify dense structures…
The WISDOM of power spectra: how the galactic gravitational potential impacts a galaxy's central gas reservoir in simulations and observations
Jindra Gensior, Timothy A. Davis, Martin Bureau +4
Observations indicate that the central gas discs are smoother in early-type galaxies than their late-type counterparts, while recent simulations predict that the dynamical suppress…
A sensitive, high-resolution, wide-field IRAM NOEMA CO(1-0) survey of the very nearby spiral galaxy IC 342
M. Querejeta, J. Pety, A. Schruba +31
We present a new wide-field 10.75 x 10.75 arcmin^2 (~11x11 kpc^2), high-resolution (theta = 3.6" ~ 60 pc) NOEMA CO(1-0) survey of the very nearby (d=3.45 Mpc) spiral galaxy IC 342.…
The JWST Galactic Center Survey -- A White Paper
Rainer Schoedel, Steve Longmore, Jonny Henshaw +111
The inner hundred parsecs of the Milky Way hosts the nearest supermassive black hole, largest reservoir of dense gas, greatest stellar density, hundreds of massive main and post ma…
HI discs of L galaxies as probes of the baryonic physics of galaxy evolution
Jindra Gensior, Robert Feldmann, Marta Reina-Campos +7
Understanding what shapes the cold gas component of galaxies, which both provides the fuel for star formation and is strongly affected by the subsequent stellar feedback, is a cruc…
Star Cluster Classification using Deep Transfer Learning with PHANGS-HST
Stephen Hannon, Bradley C. Whitmore, Janice C. Lee +17
Currently available star cluster catalogues from HST imaging of nearby galaxies heavily rely on visual inspection and classification of candidate clusters. The time-consuming natur…
On the origin of globular clusters in a hierarchical Universe
Gabriella De Lucia, J. M. Diederik Kruijssen, Sebastian Trujillo-Gomez +2
We present an end-to-end description of the formation process of globular clusters (GCs) which combines a treatment for their formation and dynamical evolution within galaxy haloes…
The Gas Morphology of Nearby Star-Forming Galaxies
S. K. Stuber, E. Schinnerer, T. G. Williams +22
The morphology of a galaxy stems from secular and environmental processes during its evolutionary history. Thus galaxy morphologies have been a long used tool to gain insights on g…
Fuelling the nuclear ring of NGC 1097
Mattia C. Sormani, Ashley T. Barnes, Jiayi Sun +24
Galactic bars can drive cold gas inflows towards the centres of galaxies. The gas transport happens primarily through the so-called bar ``dust lanes'', which connect the galactic d…
Kinematic analysis of the super-extended HI disk of the nearby spiral galaxy M83
Cosima Eibensteiner, Frank Bigiel, Adam K. Leroy +33
We present new HI observations of the nearby massive spiral galaxy M83, taken with the VLA at angular resolution ( pc) of an extended (1.5 deg…
Stellar associations powering HII regions $\unicode{x2013}$ I. Defining an evolutionary sequence
Fabian Scheuermann, Kathryn Kreckel, Ashley T. Barnes +30
Connecting the gas in HII regions to the underlying source of the ionizing radiation can help us constrain the physical processes of stellar feedback and how HII regions evolve ove…
Star Formation Laws and Efficiencies across 80 Nearby Galaxies
Jiayi Sun, Adam K. Leroy, Eve C. Ostriker +37
We measure empirical relationships between the local star formation rate (SFR) and properties of the star-forming molecular gas on 1.5 kpc scales across 80 nearby galaxies. These r…
The ALMOND Survey: Molecular cloud properties and gas density tracers across 25 nearby spiral galaxies with ALMA
Lukas Neumann, Molly J. Gallagher, Frank Bigiel +28
We use new HCN(1-0) data from the ALMOND (ACA Large-sample Mapping Of Nearby galaxies in Dense gas) survey to trace the kpc-scale molecular gas density structure and CO(2-1) data f…
In-situ or accreted? Using deep learning to infer the origin of extragalactic globular clusters from observables
Sebastian Trujillo-Gomez, J. M. Diederik Kruijssen, Joel Pfeffer +4
Globular clusters (GCs) are powerful tracers of the galaxy assembly process, and have already been used to obtain a detailed picture of the progenitors of the Milky Way. Using the…
CMZoom III: Spectral Line Data Release
Daniel Callanan, Steven N. Longmore, Cara Battersby +21
We present an overview and data release of the spectral line component of the SMA Large Program, \textit{CMZoom}. \textit{CMZoom} observed CO(2-1), CO(2-1) and C$^{18…
Improving Star Cluster Age Estimates in PHANGS-HST Galaxies and the Impact on Cluster Demographics in NGC 628
Bradley C. Whitmore, Rupali Chandar, Janice C. Lee +29
A long-standing problem when deriving the physical properties of stellar populations is the degeneracy between age, reddening, and metallicity. When a single metallicity is used fo…
PHANGS-JWST First Results: Mid-infrared emission traces both gas column density and heating at 100 pc scales
Adam K. Leroy, Karin Sandstrom, Erik Rosolowsky +48
We compare mid-infrared (mid-IR), extinction-corrected H, and CO (2-1) emission at 70--160 pc resolution in the first four PHANGS-JWST targets. We report correlation strengths,…
PHANGS-JWST First Results: Variations in PAH Fraction as a Function of ISM Phase and Metallicity
Jérémy Chastenet, Jessica Sutter, Karin Sandstrom +26
We present maps tracing the fraction of dust in the form of polycyclic aromatic hydrocarbons (PAHs) in IC 5332, NGC 628, NGC 1365, and NGC 7496 from JWST/MIRI observations. We trac…
PHANGS-JWST First Results: The Dust Filament Network of NGC 628 and its Relation to Star Formation Activity
David A. Thilker, Janice C. Lee, Sinan Deger +36
PHANGS-JWST mid-infrared (MIR) imaging of nearby spiral galaxies has revealed ubiquitous filaments of dust emission in intricate detail. We present a pilot study to systematically…
PHANGS-JWST First Results: Mapping the 3.3 micron Polycyclic Aromatic Hydrocarbon Vibrational Band in Nearby Galaxies with NIRCam Medium Bands
Karin Sandstrom, Jérémy Chastenet, Jessica Sutter +28
We present maps of the 3.3 micron polycyclic aromatic hydrocarbon (PAH) emission feature in NGC 628, NGC 1365, and NGC 7496 as observed with the Near-Infrared Camera (NIRCam) image…