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SUMMARY:Decoding Exoplanet Personalities Big and Small while Inspiring the
  Next Generation - Nataliea Lowson (U. Southern Queensland)
DTSTART:20231019T120000Z
DTEND:20231019T130000Z
UID:TALK204937@talks.cam.ac.uk
CONTACT:Dr Emily Sandford
DESCRIPTION:Close-in planets\, characterised by short orbits around their 
 host stars\, demonstrate the complexities behind planetary formation\, mig
 ration\, and atmospheric dynamics. This work embraces a multi-faceted appr
 oach towards hot exoplanet atmospheres\, commencing with the atmospheric c
 haracterisation of an ultra-hot Jupiter using archival data obtained from 
 1.5 m ground-based telescope. We recover strong detections of Fe I\, FII\,
  and Mg I while also modelling a peculiar H-alpha transit. Subsequently we
  prepare for atmosphere analysis via the detection two new sub-Neptunes ar
 ound an adolescent K-star using photometry from TESS and CHEOPS. Our analy
 sis evaluates that inner planet resides in the sparsely populated radius g
 ap\, indicating that it could be undergoing significant atmospheric evapor
 ation. Lastly\, I share UniSQ’s contribution towards preliminary target 
 preparation for the upcoming Twinkle Space Mission\, which will characteri
 se exoplanet atmospheres over the course of its mission. This presentation
  also highlights some outreach endeavours I have contributed towards prior
  and in addition to this research\, which primarily aim to increase astron
 omy accessibility and improve diversity in STEM.
LOCATION:Ryle seminar room + ONLINE - Details to be sent by email
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