The new generation of spectrometers designed for extreme precision radial velocities enable correspondingly precise stellar spectroscopy. It is now fruitful to...
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TalkIAU G5: "Extreme Precision Stellar Spectroscopy"
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PublicationInclusion and Diversity: Bars within Bars
Invited talk about double-barred galaxies for the conference "Galactic bars: driving and decoding galaxy evolution" (Granada, 3-7 July, 2023).
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PublicationIntegral field spectroscopy on the WHT.
2D-FIS, a bundle of 125 optical fibres mounted in the focal plane of the WHT, has been used to study two-dimensional stellar kinematics and populations in...
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PublicationMultiple Populations in Low-mass Globular Clusters: Palomar 13
Since the discovery of chemically peculiar stars in globular clusters in the last century, the study of multiple populations has become increasingly important...
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TalkOn the extreme properties of massive galaxies at high redshifts
Massive (≥ 10 11 M⊙) galaxies at high redshift (z ≥ 1.5) remain mysterious objects. Their extremely small sizes (effective radii of 1-2 kpc) make them as dense...
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PublicationOrbital Torus Imaging: Using Element Abundances to Map Orbits and Mass in the Milky Way
Many approaches to galaxy dynamics assume that the gravitational potential is simple and the distribution function is time invariant. Under these assumptions...
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TalkPast and Present of Dwarf Galaxies in Clusters
Dwarf galaxies are a complex population. They comprise objects with young and old stellar populations, slow and fast rotation, as well as single- and multi...
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TalkPlanning the WHT future: the WEAVE wide-field massive-multiplex spectrograph
The vision for the use of the WHT in the coming decade is taking shape. A key element is the construction and deployment of WEAVE, a wide-field massive...
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TalkSupergiants with an Interesting Past
Exciting things may have happened sometimes to the stars we see in the sky today. For example, Betelgeuse, also known as Alpha-Ori, an M-type red supergiant...