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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20210708T103000
DTEND;TZID=Atlantic/Canary:20210708T113000
UID:iactalks-1488
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/1488
CREATED:2021-07-08T10:30:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:The interplay between local and global properties in galaxies
DESCRIPTION:The interplay between local and global properties in galaxies\n
 Dr. Sebastián F. Sánchez\n\nWe summarize here some of the results review
 ed recently by Sanchez (2020) and Sanchez  et al. (2021), comprising 
 the advances in the comprehension of galaxies in the nearby universe based
  on integral field spectroscopic galaxy surveys. We review our current kno
 wledge of the spatially resolved spectroscopic properties of low-redshift 
 star-forming galaxies (and their retired counterparts) using results from 
 the most recent optical integral field spectroscopy galaxy surveys. We bri
 efly summarize the global spectroscopic properties of these galaxies, disc
 ussing the main ionization processes, and the global relations described b
 y the star-formation rates, gas-phase oxygen abundances, and average prope
 rties of their stellar populations (age and metallicity) in comparison wit
 h the stellar mass. Then, we present the local distribution of the ionizin
 g pro-cesses down to kiloparsec scales, and how the global scaling relatio
 ns found using integrated parameters (like the star-formation main sequenc
 e, mass–metallicity relation, and Schmidt–Kennicutt law) have 
 local/resolved counterparts, with the global ones being, for the most part
 , just integrated/average versions of the local ones.  The main concl
 usions of the most recent explorations are that the evolution of galaxies 
 is mostly governed by local processes but clearly affected by global ones.
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