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Colloquium
New Dark Matter clues from JWST - with an abundance of lensed stars and a shortage of lensed galaxies

Abstract

Our new, rare JWST discoveries of the most distant lensed galaxies are all compact dwarfs, with spectroscopic redshifts of z=9-10.5, and magnifications of 10-20. Over an order of magnitude more dwarfs should have been found for standard CDM than for WaveDM or WarmDM, corresponding to m_AB~31, well beyond the reported deep field data of typically m~28 so that only high luminosity galaxies are detected by JWST where DM predictions hardly differ. This absence of low luminosity galaxies at z>9 favours a suppressed mass function characteristic of Wave or Warm DM. In contrast, we are uncovering a surprising abundance of individual lensed stars with JWST, within giant arcs, at cosmological distances (1 < z < 5) that are highly magnified (hundreds to thousands of times) on the Einstein rings of lensing clusters. In detail we notice many of these stars lie just off the Einstein ring indicative of local lensing perturbations that we show point to WaveDM perturbations that cause the Einstein Ring to become corrugated on the de Broglie scale (~10pc). Finally I will show direct evidence for WaveDM within a deep JWST image of a local dwarf galaxy serendipitously discovered with JWST, where the dense core is offset and asymmetric, confirming directly the essential soliton random walk prediction of Wave Dark Matter made by the leading experts here in Taiwan!