Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.577....3p&link_type=abstract
In: Proceedings of the dusty and molecular universe: a prelude to Herschel and ALMA, 27-29 October 2004, Paris, France. Ed. by A
Astronomy and Astrophysics
Astronomy
16
Space Vehicles: Instrumentation, Cryostat, Stars: Early-Type, Formation, Late-Type, Pre-Main Sequence, Winds, Outflows, Ism: Jets And Outflows, Molecules, Galaxies: Evolution, Ism, Infrared: Galaxies, Stars, Submillimetre
Scientific paper
The Herschel Space Observatory (formerly known as FIRST) is the fourth cornerstone mission in the European Space Agency (ESA) science programme. The key science objectives emphasize current questions connected to the formation of galaxies and stars, however, having unique capabilities in several ways, Herschel will be a facility available to the entire astronomical community. Equipped with a 3.5 metre diameter passively cooled telescope and two cameras/medium resolution spectrometers (PACS and SPIRE) complemented by a very high resolution heterodyne spectrometer (HIFI) housed in a superfluid helium cryostat, it will perform imaging photometry and spectroscopy in the far infrared and submillimetre part of the spectrum, covering approximately the 57-670 μm range. Herschel is scheduled to be launched into a transfer trajectory towards its operational orbit around the Earth-Sun L2 point by an Ariane 5 (shared with the ESA cosmic background mapping mission Planck) in 2007. Once operational Herschel will offer a minimum of 3 years of routine observations; roughly 2/3 of the available observing time is open to the general astronomical community through a standard competitive proposal procedure.
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