The Herschel Mission

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The Herschel Mission

• Hervé Aussel
• AIM, Saclay

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• Herschel Open Time Key Program Workshop
• http//herschel.esac.esa.int/OT_KP_wkshop.shtml

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HIFI

• Heterodyne Instrument for the Far Infrared
• PI Th. de Graauw, SRON, Groningen

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PACS

• Photodetector Array Camera and Spectrograph
• PI A. Poglitsch, MPE, Garching

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Blue Array Point Source Photometry
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Expected Performance Spectroscopy
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Photometer Observing Modes
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SPIRE

• Spectral and Photometric Imaging REceiver
• PI M. Griffin, Cardiff University

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Beam Steering Mechanism
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Observing ModesPhotometry Jiggle Map
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Scan Maps
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Spire Imaging Sensitivity
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FTS slow scan (med-res) Sensitivity
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FTS fast scan (low-res) Sensitivity
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SPIRE GT (1898 hrs)
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Conclusion

• Herschel
• HIFI high resolution spectroscopy from 157 to
  625 µm
• PACS / SPIRE
• fast mapping from 70 to 500 µm
• 5 mJy / 5 ? / 1 hr
• Confusion noise from 1 to 15 mJy
• low resolution spectroscopy from 60 to 600 µm