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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:20260414T033315Z
UID:e8ce1186-06a7-4600-af40-1b0e71f7515d
SEQUENCE:2
CREATED:20241209T094040Z
DESCRIPTION:Recent Event Horizon Telescope (EHT) observations of M87* and 
 Sgr A* provide compelling evidence for the presence of supermassive black 
 holes at their respective cores. However\, alternative models for these co
 mpact objects remain plausible. In the talk\, we will explore the observat
 ional signatures of Joshi-Malafarina-Narayan (JMN-1) naked singularity (wh
 ich emerges as an end state of a continual gravitational collapse) by empl
 oying a semi-analytic Radiatively Inefficient Accretion Flow (RIAF) model 
 to generate synchrotron emission images. Additionally I will talk about ho
 w the choice of magnetic field configuration affects the polarised images 
 in black hole images which can further help in determining magnetic field 
 topology near sources such as Sgr A* and M87*.
LAST-MODIFIED:20241209T094112Z
LOCATION:Sala de Seminários do DF\,  Pavilhão de Física\, 2º piso
URL:http://df.vps.tecnico.ulisboa.pt/pt/eventos/imaging-ultra-compact-obje
 cts-with-radiatively-inefficient-accretion-flows/
X-ALT-DESC;FMTTYPE=text/html:<p data-block-key="hw4ns">Recent Event Horizo
 n Telescope (EHT) observations of M87* and Sgr A* provide compelling evide
 nce for the presence of supermassive black holes at their respective cores
 . However\, alternative models for these compact objects remain plausible.
  In the talk\, we will explore the observational signatures of Joshi-Malaf
 arina-Narayan (JMN-1) naked singularity (which emerges as an end state of 
 a continual gravitational collapse) by employing a semi-analytic Radiative
 ly Inefficient Accretion Flow (RIAF) model to generate synchrotron emissio
 n images.<br/><br/> Additionally I will talk about how the choice of magne
 tic field configuration affects the polarised images in black hole images 
 which can further help in determining magnetic field topology near sources
  such as Sgr A* and M87*.<br/></p>
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