42 citations · 43 across the 10 of their papers we have counts for
11 papers
The Effect of External Photoevaporation on the Disk Fraction in M17
Samuel Millstone, Megan Reiter, Morten Andersen +6
A major obstacle to improving models of planet formation is understanding how the local environment influences the lifetime of the disks in which they form. The spread in observed…
Drifters on the edge of town: Boötis stars in clusters
Richard J. Parker, Megan Allen
Boötis stars are a subset of chemically peculiar A-stars that display Solar abundances in lighter elements (C, N, O, S, etc.) but a deficiency in Iron-peak elements. This diffe…
Short-Lived Radioisotopic enrichment from AGB interlopers in low-mass star-forming regions
Joseph W. Eatson, Richard J. Parker
The decay of Short-Lived Radioisotopes (SLRs) can be a significant source of heating early in protoplanetary systems, though how a protoplanetary disk becomes enriched with these S…
Deviations from the universal Initial Mass Function in binary star clusters
Sunder S. K. Singh-Bal, George A. Blaylock-Squibbs, Richard J. Parker +1
The stellar mass distribution in star-forming regions, stellar clusters and associations, the Initial Mass Function (IMF), appears to be invariant across different star-forming env…
Towards a unified injection model of short-lived radioisotopes in N-body simulations of star-forming regions
J. W. Eatson, R. J. Parker, T. Lichtenberg
Recent research provides compelling evidence that the decay of short-lived radioisotopes (SLRs), such as 26Al, provided the bulk of energy for heating and desiccation of volatile-r…
JWST/NIRSpec Observations of Brown Dwarfs in the Orion Nebula Cluster
K. L. Luhman, C Alves de Oliveira, I. Baraffe +4
We have used the multiobject mode of the Near-Infrared Spectrograph (NIRSpec) on board the James Webb Space Telescope (JWST) to obtain low-resolution 1-5um spectra of 22 brown dwar…
No signature of the birth environment of exoplanets from their host stars' Mahalanobis phase space
George A. Blaylock-Squibbs, Richard J. Parker, Emma C. Daffern-Powell
The architectures of extrasolar planetary systems often deviate considerably from the ``standard" model for planet formation, which is largely based on our own Solar System. In par…
The dynamical evolution of star-forming regions measured with INDICATE
George A. Blaylock-Squibbs, Richard J. Parker
Observations of star-forming regions provide snapshots in time of the star formation process, and can be compared with simulation data to constrain the initial conditions of star f…
Devolatilization of extrasolar planetesimals by 60Fe and 26Al heating
Joseph W. Eatson, Tim Lichtenberg, Richard J. Parker +1
Whilst the formation of Solar system planets is constrained by meteoritic evidence, the geophysical history of low-mass exoplanets is much less clear. The bulk composition and clim…
JWST/NIRSpec Observations of the Coldest Known Brown Dwarf
K. L. Luhman, P. Tremblin, C. Alves de Oliveira +6
We present 1-5um spectroscopy of the coldest known brown dwarf, WISE J085510.83-071442.5 (WISE 0855), performed with the Near-Infrared Spectrograph (NIRSpec) on board the James Web…
Weighing Melnick 34: the most massive binary system known
Katie A. Tehrani, Paul A. Crowther, Joachim M. Bestenlehner +4
Here we confirm Melnick 34, an X-ray bright star in the 30 Doradus region of the Large Magellanic Cloud, as an SB2 binary comprising WN5h+WN5h components. We present orbital soluti…