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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20211007T103000
DTEND;TZID=Atlantic/Canary:20211007T113000
UID:iactalks-1515
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/1515
CREATED:2021-10-07T10:30:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:Seeing the ghostly galactic halos
DESCRIPTION:Seeing the ghostly galactic halos\nNoraiz Tahir\n\nThe Universe
  is far most mysterious than we think, and scientists are fathomed by the 
 mysteries of the Universe that are the ghostliest of them. 
 In modern cosmology one of the mysterious unsolved problems is the so-call
 ed "missing baryon problem". There are many evidences that a fraction
  of missing baryons are in the galactic halos, but, the hurdle is the true
  nature of these halos. In 1995 it was proposed that a fraction of the hal
 os is composed of molecular clouds, and they might have a sufficient fract
 ion of missing baryons. In the same year, a novel method of seeing th
 e clouds was proposed, that is to look for a temperature asymmetry in the 
 Cosmic Microwave Background (CMB) towards the M31 galaxy, due to a "Dopple
 r effect" induced by the M31 halo rotation. This temperature asymmetry has
  since been seen and confirmed in M31 and other galaxies and used to study
  the rotation of galactic halos and map their dynamics. It had been questi
 oned whether such clouds could actually exist, and in response, the clouds
  were modeled and shown to be possible. In this seminar, I will explain ho
 w we were able to model such clouds and in the future how we hope that we 
 could explain the halo dynamics to constrain the fraction of missing baryo
 ns in the galactic halos.\n \nZoom: https://rediris.zoom.us/j/85
 021846500?pwd=bTVuUndsSmtFdzY2NWRZMmkraE9Ndz09Meeting ID: 850 2184 6500 Pa
 sscode: 948555\n \nYoutube:https://youtu.be/liLpk9L2jCo
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