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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:0
UID:UW-Physics-Event-4959
DTSTART:20181206T213000Z
DTEND:20181206T230000Z
DTSTAMP:20260419T101427Z
LAST-MODIFIED:20181119T211633Z
LOCATION:4421 Sterling Hall\, Coffee and Cookies 3:30 PM\, Talk begins
  at 3:45 PM
SUMMARY:Devasthal Optical Telescope Integral Field Spectrograph\, Astr
 onomy Colloquium\, Sabyasachi Chattpadhyay\, UW Madison Astronomy Dept
DESCRIPTION:Devasthal Optical Telescope Integral Field Spectrograph (D
 OTIFS) is a new multi-object integral field spectrograph being built b
 y the Inter-University Centre for Astronomy and Astrophysics (IUCAA)\,
  Pune\, India for the 3.6m Devasthal Optical Telescope\, (DOT). The De
 vasthal Observatory has been constructed by the Aryabhatta Research In
 stitute of Observational Sciences (ARIES)\, Nainital. DOTIFS is mainly
  designed to study the physics and kinematics of ionized gas\, star fo
 rmation and H II regions in the nearby galaxies. DOTIFS is a novel ins
 trument in terms of multi-IFUs\, built in deployment system\, and high
  throughput. A magnifier at the Cassegrain side port of the telescope 
 feeds sixteen integral field units (IFUs). The IFUs can be deployed ov
 er an 8’ diameter focal plane by x-y actuators. An intelligent deplo
 yment algorithm has been developed to allow optimized reconfiguration 
 and to avoid any collision between IFUs. The whole deployment system h
 as a complex 3-dimensional structure to allow maximum positioning free
 dom to the IFUs. The speaker will provide details of the instruments a
 nd the challenges. The instrument is at the phase of fabrication and i
 s scheduled to be commissioned in late 2020.
URL:https://www.physics.wisc.edu/events/?id=4959
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