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VERSION:2.0
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BEGIN:VEVENT
SUMMARY:Imaging ultra-compact objects with radiatively inefficient accreti
 on flows
DTSTART:20241212T143000Z
DTEND:20241212T160000Z
DTSTAMP:20260605T070321Z
UID:e8ce1186-06a7-4600-af40-1b0e71f7515d
SEQUENCE:1
CREATED:20241209T094029Z
DESCRIPTION: Recent Event Horizon Telescope (EHT) observations of M87* and
  Sgr A*  provide compelling evidence for the presence of supermassive blac
 k holes  at their respective cores. However\, alternative models for these
   compact objects remain plausible. In the talk\, we will explore the  obs
 ervational signatures of Joshi-Malafarina-Narayan (JMN-1) naked  singulari
 ty (which emerges as an end state of a continual gravitational  collapse) 
 by employing a semi-analytic Radiatively Inefficient Accretion  Flow (RIAF
 ) model to generate synchrotron emission images. Additionally  I will talk
  about how the choice of magnetic field configuration  affects the polaris
 ed images in black hole images which can further help  in determining magn
 etic field topology near sources such as Sgr A* and  M87*.  
LAST-MODIFIED:20241209T094029Z
LOCATION:DF Seminar Room (2-8.3)\, 2nd floor of Physics Building
URL:http://df.vps.tecnico.ulisboa.pt/en/events/imaging-ultra-compact-objec
 ts-with-radiatively-inefficient-accretion-flows/
X-ALT-DESC;FMTTYPE=text/html:<p data-block-key="hw4ns"> Recent Event Horiz
 on Telescope (EHT) observations of M87* and Sgr A*  provide compelling evi
 dence for the presence of supermassive black holes  at their respective co
 res. However\, alternative models for these  compact objects remain plausi
 ble. In the talk\, we will explore the  observational signatures of Joshi-
 Malafarina-Narayan (JMN-1) naked  singularity (which emerges as an end sta
 te of a continual gravitational  collapse) by employing a semi-analytic Ra
 diatively Inefficient Accretion  Flow (RIAF) model to generate synchrotron
  emission images. <br/><br/>Additionally  I will talk about how the choice
  of magnetic field configuration  affects the polarised images in black ho
 le images which can further help  in determining magnetic field topology n
 ear sources such as Sgr A* and  M87*.<br/>  </p>
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