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SUMMARY:On the Fast (Stream) Track: Rapid construction of stellar stream p
 aths
DTSTART;VALUE=DATE-TIME:20230320T093500Z
DTEND;VALUE=DATE-TIME:20230320T093700Z
DTSTAMP;VALUE=DATE-TIME:20241114T092406Z
UID:indico-contribution-229@meetings.aip.de
DESCRIPTION:Speakers: Nathaniel Starkman (University of Toronto)\nStellar 
 streams are sensitive probes of the Galactic potential. The likelihood of 
 a model given stream data can only be assessed using simulations. However\
 , comparison to simulation is challenging in a noisy 6D phase space in whi
 ch even the stream paths are hard to quantify. Here we present a novel app
 lication of Self-Organizing Maps and first-order Kalman Filters to reconst
 ruct the stream path\, propagating measurement errors and data sparsity in
 to the stream path uncertainty. The technique is Galactic- model independe
 nt\, non-parametric\, and works on phase-wrapped streams. We can uniformly
  analyze and compare data with simulation.\n\nhttps://iaus379.aip.de/event
 /20/contributions/229/
LOCATION:Haus H\, Telegrafenberg
URL:https://iaus379.aip.de/event/20/contributions/229/
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