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Herschel Spire
Herschel Spire
Herschel Spire
Herschel Spire
Herschel Spire
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Herschel Spire

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ESA Space Science Talks March 2009. Dave Clements and Matt Griffin: A profile of the Herschel infrared observatory's SPIRE – Far-IR Photometer and Spectrometer.

ESA Space Science Talks March 2009. Dave Clements and Matt Griffin: A profile of the Herschel infrared observatory's SPIRE – Far-IR Photometer and Spectrometer.

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  • 1. The Herschel SPIRE Instrument Dave Clements, Imperial College London Matt Griffin, SPIRE PI, Cardiff University Schloss Braunschardt 19/3/09
  • 2. SPIRE – Far-IR Photometer and Spectrometer <ul><li>SPIRE consists of two sub-instruments </li></ul><ul><li>A three colour far-IR Camera </li></ul><ul><li>Simultaneous images at 250, 350, 500 microns: first time these wavelengths have been explored from space </li></ul><ul><li>Also parallel mode with PACS </li></ul><ul><li>An imaging spectrometer </li></ul><ul><li>Wavelength range 200-670 microns: first spectral coverage from sapce </li></ul><ul><li>Simultaneous coverage of full wavelength range </li></ul><ul><li>For both sub-instruments detectors at 0.3K, optics and mechanisms at 2K and 5K </li></ul>The SPIRE Instrument | Dave Clements | Herschel | Pag. 2 > SPIRE undergoing lab testing
  • 3. From cosmology to planet formation <ul><li>What the Photometer Will do? </li></ul><ul><li>Cosmology </li></ul><ul><li>Find the missing 50% of energy generation in the universe </li></ul><ul><li>Galaxies evolve very differently in optical and far-IR, with many more far-IR bright objects early on, hiding 50% of energy generation. SPIRE will find and study them. </li></ul><ul><li>Star and Planet Formation </li></ul><ul><li>Star and planet formation is inherently dusty phenomenon </li></ul><ul><li>- SPIRE will find and determine properties of protostars and planetary debris disks </li></ul>The SPIRE Instrument | Dave Clements | Herschel | Pag. 2 > SPIRE’s scientific targets SPIRE/PACS
  • 4. From cosmology to planet formation <ul><li>SPIRE Spectrometer: Exploring molecules in space </li></ul><ul><li>Rich and largely unexplored range of spectral lines in far-IR/submm </li></ul><ul><li>SPIRE Spectrometer will provide our first chance to study this region </li></ul><ul><li>Look for water and CO lines </li></ul><ul><li>Look for complex organic molecules </li></ul><ul><li>Examine the mineralogy of interplanetary and intersteller dust </li></ul><ul><li>Survey instrument so not aimed at individual known lines so discovery potential is huge </li></ul>The SPIRE Instrument | Dave Clements | Herschel | Pag. 2 > SPIRE Spectrometer targets
  • 5. Handy fact: The SPIRE Photometer can detect power of a 100W lightbulb a million km away - or a low energy bulb (20W) on the Moon. Herschel Blog: http://herschelmission.wordpress.com/ THANK YOU <ul><li>Dave Clements [email_address] </li></ul>

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