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SUMMARY:The Extremes of Resolved Stellar Spectroscopy - Evan Kirby (Notre 
 Dame)
DTSTART:20240524T103000Z
DTEND:20240524T113000Z
UID:TALK212719@talks.cam.ac.uk
CONTACT:Sandro Tacchella
DESCRIPTION:The study of local star clusters and galaxies with existing sp
 ectroscopic instruments and techniques has reached the point of diminishin
 g returns.  Breakthroughs require new instruments or innovation in spectra
 l analysis.  I will describe the measurement of radial velocities and abun
 dances of individual stars at the threshold of spectral resolution and sig
 nal-to-noise ratio.  First\, I will address measurements from Keck/DEIMOS 
 and KCWI.  I will discuss the "backsplash" galaxy Andromeda XVIII (at 1.33
  Mpc!)\, neutron-capture abundances in Milky Way satellites\, and the "fun
 damental" stellar mass-stellar metallicity relation of low-mass field gala
 xies.  New spectrograph innovations\, like the upgrade to DEIMOS and the S
 ubaru Prime Focus Spectrograph\, will lead stellar spectroscopy into the f
 uture.\n
LOCATION:Ryle seminar room + online
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