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The Milky Way Radial Metallicity Gradient as an Equilibrium Phenomenon: Why Old Stars are Metal-Rich
James W. Johnson, David H. Weinberg, Guillermo A. Blanc +12
Metallicities of both gas and stars decline toward large radii in spiral galaxies, a trend known as the radial metallicity gradient. We quantify the evolution of the metallicity gr…
Connecting the growth of galaxies to the large-scale environment in a massive node of the Cosmic Web at z~3
M. Galbiati, S. Cantalupo, C. Steidel +10
A direct link between large-scale environment and galaxy properties is very well established in the local universe. However, very little is known about the role of the environment…
A survey of extremely metal-poor gas at cosmic noon: evidence of elevated [O/Fe]
Louise Welsh, Ryan Cooke, Michele Fumagalli +2
We aim to study the high-precision chemical abundances of metal-poor gas clouds at cosmic noon (2<z<4) and investigate the associated enrichment histories. We analyse the abundance…
KBSS-InCLOSE I: Design and First Results from the Inner CGM of QSO Line Of Sight Emitting Galaxies at z~2-3
Evan Haze Nunez, Charles C. Steidel, Evan N. Kirby +10
We present the design and first results of the Inner Circumgalactic Medium (CGM) of QSO Line of Sight Emitting galaxies at , KBSS-InCLOSE. The survey will connect galaxy…
The Cosmic Ultraviolet Baryon Survey (CUBS) IX: The enriched circumgalactic and intergalactic medium around star-forming field dwarf galaxies traced by O VI absorption
Nishant Mishra, Sean D. Johnson, Gwen C. Rudie +13
The shallow potential wells of star-forming dwarf galaxies make their surrounding circumgalactic and intergalactic medium (CGM/IGM) sensitive laboratories for studying the inflows…
A Precision Cryogenic Positioning Stage for Detector Dithering and Flexure Compensation
Stephen A. Smee, Stephen C. Hope, Randolph P. Hammond +20
This paper presents the design and technical progress of a precision X-Y stage for detector dithering and flexure compensation. The stage is being developed for use in the Magellan…