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A New Camera For Ldss3

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A  New  Camera  for  LDSS3   PI:  Jacob  Bean   Instrument  Scien  106   Exoplanet  Spectroscopy   State  of  the  art  direct  imaging   Marois  et  al.  2010,  Nature,  468,  1080     Exoplanet  Spectroscopy   But  there  is  another  way:  using  transits  (eclipses)   Exoplanet  Spectroscopy   Transit  Spectroscopy   Timescale  ~  few  hours   Rela108  photoelectrons  per  spectral   bin  in  just  a  few  hours   Proposed  Detector  Upgrade   =  2x  improvement  in  precision   Mo  50%  at  1000  nm     250  microns  thick   readout  250  kpix/sec   2  readout  channels/device   readout    TCP/IP  for  temperature   logging  in  header   Components  involved  in  upgrade   4)  Detector  mount,  dewar  &  cooling  system   •  Modify  design  of  exis  cheaper  via  FNAL  or  HEP?     Alterna  to  complex  for  our  purpose     •  Exis