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SUMMARY:Far-IR/Submm Missions of the Future: Scientific and Technology Cha
 llenges - Wayne Holland\, Royal Observatory Edinburgh
DTSTART:20081015T130000Z
DTEND:20081015T140000Z
UID:TALK14589@talks.cam.ac.uk
CONTACT:Jane Buckle
DESCRIPTION:Studying astrophysics in the far-infrared and submillimetre \n
 allows us to probe the earliest phases of the formation of galaxies\, star
 s \nand planets. The past decade has seen a large investment by the UK and
  \nastronomers are poised to reap the rewards of new facilities (such as \
 nHerschel\, SCUBA-2\, and ALMA) over the next several years. However\, the
 re \nremain both crucial wavebands and capabilities that are not addressed
  by \nthe current programme. These include the so-called "far-infrared gap
 " and \nthe ability to carry out very large area surveys in the submillime
 tre to \ndepths well below current confusion limits. In this talk\, after 
 a brief \nreview of the current and near-term status\, I will describe the
  scientific \ngoals of new proposed telescopes that are designed to addres
 s these missing \nlinks. These include large\, single-aperture telescopes 
 operating from ultra \ndry sites on the ground (e.g. CCAT)\, cooled space 
 satellites in the mid-far \ninfrared (SPICA)\, and more speculative ventur
 es such as a 10-m class far-IR \ntelescope (SAFIR) and multi-element inter
 ferometer (FIRI) operating in \nspace. Key to any new telescope or mission
  is the development of \ntechnologies to ensure that state-of-the-art inst
 rumentation is employed on \nsuch facilities. The UK has considerable heri
 tage in this areas and I will \nalso discuss some of the key challenges of
  the next generation of detectors \nand their cryogenic requirements.\n\n
LOCATION:Ryle Seminar Room\, Cavendish Laboratory
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