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The dynamical evolution of molecular clouds near the Galactic Centre - I. Orbital structure and evolutionary timeline
We recently proposed that the star-forming potential of dense molecular clouds in the Central Molecular Zone (CMZ, i.e. the central few 100 pc) of the Milky Way is intimately linked to their orbital…
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On the fraction of star formation occurring in bound stellar clusters
We present a theoretical framework in which bound stellar clusters arise naturally at the high-density end of the hierarchy of the interstellar medium (ISM). Due to short free-fall times, these…
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Globular clusters as the relics of regular star formation in ‘normal’ high-redshift galaxies
We present an end-to-end, two-phase model for the origin of globular clusters (GCs). In the model, populations of stellar clusters form in the high-pressure discs of high-redshift ($z>2$) galaxies (a…
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A CLUSTER IN THE MAKING: ALMA REVEALS THE INITIAL CONDITIONS FOR HIGH-MASS CLUSTER FORMATION
G0.253+0.016 is a molecular clump that appears to be on the verge of forming a high-mass cluster: its extremely low dust temperature, high mass, and high density, combined with its lack of prevalent…
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Candidate super star cluster progenitor gas clouds possibly triggered by close passage to Sgr A
Super star clusters are the end product of star formation under the most extreme conditions. As such, studying how their final stellar populations are assembled from their natal progenitor gas clouds…
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What controls star formation in the central 500 pc of the Galaxy
The star formation rate (SFR) in the Central Molecular Zone (CMZ, i.e. the central 500 pc) of the Milky Way is lower by a factor of > 10 than expected for the substantial amount of dense gas it…
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Molecular gas kinematics within the central 250 pc of the Milky Way
Using spectral-line observations of HNCO, N2H+, and HNC, we investigate the kinematics of dense gas in the central ~250 pc of the Galaxy. We present SCOUSE (Semi-automated multi-COmponent Universal…
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G0.253+0.016: A CENTRALLY CONDENSED, HIGH-MASS PROTOCLUSTER
Despite their importance as stellar nurseries and the building blocks of galaxies, very little is known about the formation of the highest mass clusters. The dense clump G0.253+0.016 represents an…
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Dissolution is the solution: on the reduced mass-to-light ratios of Galactic globular clusters
Context. The observed dynamical mass-to-light (M/L) ratios of globular clusters (GCs) are systematically lower than the value expected from “canonical” simple stellar population models, which do not…
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Star formation rates and efficiencies in the Galactic Centre
The inner few hundred parsecs of the Milky Way harbours gas densities, pressures, velocity dispersions, an interstellar radiation field and a cosmic ray ionisation rate orders of magnitude higher…
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