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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20221017T100000
DTEND;TZID=Atlantic/Canary:20221017T110000
UID:iactalks-1608
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/1608
CREATED:2022-10-17T10:00:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:High-Resolution, Large-Grasp Spectrographs Yield New Insights into 
 Exoplanets, Young Planetary Systems, and the ISM
DESCRIPTION:High-Resolution, Large-Grasp Spectrographs Yield New Insights i
 nto Exoplanets, Young Planetary Systems, and the ISM\nDr. Dan Jaffe\n\nUnt
 il relatively recently, high-resolution infrared spectrographs could exami
 ne only tiny portions of individual spectral windows in a single exposure.
   Silicon immersion gratings, combined with sensitive, large-format I
 R detectors have made it possible to observe broad swaths of the IR at onc
 e at very high resolution and to do so on much fainter systems.  We d
 iscuss the development of Si diffractive optics and of the H and K spectro
 graph IGRINS (now in use on the Gemini South Telescope) and the Giant Mage
 llan Telescope Infrared Spectrograph, which will observe from 1.08 μm t
 o 5.4 μm at R=λ/Δλ=65,000-85,000 in a single exposu
 re.  We present results from IGRINS that demonstrate its sensitivity 
 and versatility as it sheds new light on the atmospheres of exoplanets and
  cool brown dwarfs, on the evolution of YSO’s and on the physics of 
 the ISM.
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