Trenti combines high-redshift galaxy and gamma-ray-burst science with hands-on space instrumentation: he leads SkyHopper, a 6U CubeSat carrying a cooled near-infrared telescope intended for rapid follow-up of transients and exoplanet transits, which is an unusually complete exercise in building a photon-starved instrument under severe SWaP constraints. The group also works on infrared detector characterisation and on-board autonomy. Positioned against the established body of NV-ensemble quantum sensing work — DEER, nanoscale NMR and T1 relaxometry protocols operating at pT/sqrt(Hz) field sensitivity — the relevance to a quantum-sensing candidate is the engineering discipline of getting a low-noise detector to work in a hostile, uncontrolled environment — the same problem that separates a laboratory pT/sqrt(Hz) NV magnetometer from a fieldable one. Borderline inclusion on the astronomy criterion; kept because instrumentation is a genuine focus rather than a by-product.

Webster works on the Epoch of Reionisation with the Murchison Widefield Array, where the science goal — detecting the redshifted 21-cm signal from the first stars — is a five-orders-of-magnitude foreground-subtraction and instrumental-calibration problem rather than an astrophysics problem. Her group's contributions are in foreground modelling, ionospheric and beam calibration, and the statistical detection of a signal buried far below the systematics floor; she also works on quasar accretion physics. Positioned against the established body of NV-ensemble quantum sensing work — DEER, nanoscale NMR and T1 relaxometry protocols operating at pT/sqrt(Hz) field sensitivity — the methodological parallel is exact: like a pT/sqrt(Hz) NV ensemble measurement, a 21-cm detection lives or dies on the control of correlated systematics rather than on raw sensitivity. Borderline inclusion under the astronomy criterion, kept because the array and its calibration are the central object of study.

Wood works on NV centres in physically rotating diamond, a niche he essentially created: by spinning the crystal at tens of kHz he has demonstrated spin-rotation coupling, geometric phases and rotationally-induced pseudo-fields on NV ensembles, and used the rotating frame as a resource for noise-averaging and for gyroscopy. The group also works on conventional bulk NV magnetometry, dynamical decoupling sequence design and nuclear-spin bath engineering. Positioned against the established body of NV-ensemble quantum sensing work — DEER, nanoscale NMR and T1 relaxometry protocols operating at pT/sqrt(Hz) field sensitivity — his rotating-frame protocols are a direct attempt to extend the DEER/T1-relaxometry toolbox — normally applied to static ensembles at pT/sqrt(Hz) — into a regime where the sensor itself is in motion, with obvious relevance to inertial sensing and to averaging away static field gradients. Early-career PI, smaller group; a good option for a candidate wanting substantial independence.