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  • NAM2017
    • Timetable
    • Delegates
    • Registration
  • Science
    • Parallel sessions
    • Plenary talks
    • Posters
    • Publishing workshop
    • Media workshop
    • Community forum
    • Special lunches
    • Hack day
  • Social
    • Welcome reception
    • Conference dinner
    • Football + BBQ evening
  • Outreach
    • Public talk
    • Outreach day
    • Media
  • Hull
    • Travel
    • Accommodation
    • Going out
    • Childcare
  • Contacts

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Abstract details

id
The brightest Lyman-alpha emitters at z~7 as seen by ALMA, HST and the VLT
Date Submitted
2017-03-31 13:53:23
HighRed
David Sobral
Lancaster University
Poster
I will present new results on the nature and diversity of the most luminous Lyman-alpha emitters at z~7, including some newly discovered ones. We confirm a high, non-evolving number density of these luminous Lyman-alpha emitters into re-ionisation, which may indicate that they reside in early ionised bubbles. Their rest-frame UV spectra shows diverse Lyman-alpha profiles, absence of high ionisation metal lines (which we can easily explain due to the high Lya escape fraction), and a remarkable variety of rest-frame UV luminosities. I will finish with new exciting results from deep follow-up observations of [CII] and dust continuum, which show that these sources are extremely dust-poor, but that deep enough observations of these sources can finally detect and even resolve [CII] clumps within them.

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