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  • NAM2019
    • Registration
    • Key Dates & Outline Schedule
    • Practical Information
    • Exhibitors
    • Grants & Bursaries
    • Contacts
  • Science
    • Science Programme
    • Parallel Sessions
    • Plenary Talks
    • Community Session
    • Special Lunches
    • Posters
    • Presenter Guidelines
  • Social
    • What's On
    • Welcome Reception
    • RAS Awards Dinner
  • Media
  • Outreach
    • Outreach and Education Day
    • Fringe Event
    • School Visit Day
  • Lancaster
    • Travel
    • Accommodation
    • Childcare
    • Campus Map
    • About Lancaster
    • Code of Conduct

Wednesday

Schedule

id
date time
PM2
16:45
Abstract
Galaxy evolution via blue compact dwarfs: Local analogues of high redshift galaxies
Wednesday

Abstract details

id
Galaxy evolution via blue compact dwarfs: Local analogues of high redshift galaxies
Date Submitted
2019-03-15 17:57:11
Nimisha
Kumari
University of Cambridge
Studying galaxy evolution from reionization to cosmic noon with the latest-generation multiwavelength facilities
Talk
Nimisha Kumari, Bethan James, Mike Irwin, Alessandra Aloisi, Ricardo Amorin, Enrique Perez-Montero
Galaxy formation and evolution are regulated by the complex interplay between star-formation, chemical abundance and gas dynamics. Detailed spatially-resolved kinematical and chemical analysis of the ionised gas may help unravel several secrets of the key mechanisms involved in galaxy formation and evolution. Integral Field Spectroscopy (IFS) is the best available technique to carry out spatially-resolved studies of the ionised gas in galaxies, because it not only allows us to access information encoded in the emission lines from the ionised gas, but also enables us to map their distribution and varying properties throughout each system. I use IFS observations from the Gemini Multi-Object Spectrograph-North to study the distribution of physical and chemical properties of H II regions in a sample of BCDs, the local analogues of high redshift galaxies. While answering questions related to chemical homogeneity, ionisation mechanisms and stellar populations within BCDs, I address more profound issues, which go beyond the characterisation of studied BCDs and aim to explain global phenomena with broader implications. Such studies are imperative to enhance our understanding of the chemical abundance patterns and star-formation in galaxies in the high-redshift Universe, and hence be better prepared for a whole new era of high-redshift astronomy initialised by JWST, and complemented by facilities like MUSE and MOONS.

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