The Herschel-SPIRE instrument and its in-flight performance

被引:1794
作者
Griffin, M. J.
Abergel, A. [36 ]
Abreu, A. [35 ]
Ade, P. A. R. [37 ]
Andre, P. [34 ]
Augueres, J. -L. [34 ]
Babbedge, T. [33 ]
Bae, Y. [32 ]
Baillie, T. [31 ]
Baluteau, J. -P. [30 ]
Barlow, M. J. [29 ]
Bendo, G. [33 ]
Benielli, D. [30 ]
Bock, J. J. [32 ]
Bonhomme, P. [28 ]
Brisbin, D. [27 ]
Brockley-Blatt, C. [28 ]
Caldwell, M. [26 ]
Cara, C. [34 ]
Castro-Rodriguez, N. [24 ,25 ]
Cerulli, R. [23 ]
Chanial, P. [33 ,34 ]
Chen, S. [22 ]
Clark, E. [26 ]
Clements, D. L. [33 ]
Clerc, L. [21 ]
Coker, J. [28 ]
Communal, D. [21 ]
Conversi, L. [35 ]
Cox, P. [20 ]
Crumb, D. [32 ]
Cunningham, C. [31 ]
Daly, F. [34 ]
Davis, G. R. [19 ]
De Antoni, P. [34 ]
Delderfield, J. [26 ]
Devin, N. [34 ]
Di Giorgio, A. [23 ]
Didschuns, I. [37 ]
Dohlen, K. [30 ]
Donati, M. [34 ]
Dowell, A. [26 ]
Dowell, C. D. [32 ]
Duband, L. [21 ]
Dumaye, L. [34 ]
Emery, R. J. [26 ]
Ferlet, M. [26 ]
Ferrand, D. [30 ]
Fontignie, J. [34 ]
Fox, M. [33 ]
机构
[1] McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada
[2] Open Univ, Dept Phys & Astron, Milton Keynes MK7 6AA, Bucks, England
[3] Univ Hertfordshire, Ctr Astrophys Res, Hatfield AL10 9AB, Herts, England
[4] CNRS, UPMC, UMR7095, Inst Astrophys Paris, F-75014 Paris, France
[5] Univ Manchester, Sch Phys & Astron, Manchester M13 9PL, Lancs, England
[6] Stockholm Univ, Dept Astron, AlbaNova Univ Ctr, S-10691 Stockholm, Sweden
[7] Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England
[8] Univ Lethbridge, Inst Space Imaging Sci, Dept Phys & Astron, Lethbridge, AB T1K 3M4, Canada
[9] Ctr Natl Etud Spatiale, F-31401 Toulouse 9, France
[10] LESIA CNRS, Observ Paris, F-92195 Meudon, France
[11] NASA Herschel Sci Ctr, IPAC, Pasadena, CA 91125 USA
[12] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[13] ESA ESTEC, NL-2201 AZ Noordwijk, Netherlands
[14] CALTECH, Pasadena, CA 91125 USA
[15] European So Observ, D-85748 Garching, Germany
[16] Univ Colorado, Dept Astrophys & Planetary Sci, Boulder, CO 80309 USA
[17] Blue Sky Spect Inc, Lethbridge, AB T1J 0N9, Canada
[18] Univ Padua, Dipartimento Astron, I-35122 Padua, Italy
[19] Joint Astron Ctr, Hilo, HI 96720 USA
[20] Inst Radio Astron Millimetr, F-38406 St Martin Dheres, France
[21] CEA, INAC SBT, F-38054 Grenoble, France
[22] Chinese Acad Sci, Natl Astron Observ, Beijing, Peoples R China
[23] Ist Fis Spazio Interplanetario, I-00133 Rome, Italy
[24] Univ La Laguna, Dept Astrofis, Tenerife, Spain
[25] Univ La Laguna, Inst Astrofis Canarias, Tenerife, Spain
[26] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England
[27] Cornell Univ, Ithaca, NY 14853 USA
[28] Univ Coll London, Mullard Space Sci Lab, Surrey RH5 6NT, England
[29] UCL, Dept Phys & Astron, London WC1E 6BT, England
[30] CNRS, UMR6110, Lab Astrophys Marseille, F-13388 Marseille, France
[31] Royal Observ, UK Astron Technol Ctr, Edinburgh EH9 3HJ, Midlothian, Scotland
[32] NASA, Jet Prop Lab, Pasadena, CA 91109 USA
[33] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2AZ, England
[34] CEA, Serv Astrophys, F-91191 Gif Sur Yvette, France
[35] ESA Herschel Sci Ctr, ESAC, Villaneuva De La Canada, Spain
[36] Univ Paris 11, Inst Astrophys Spatiale, F-91405 Orsay, France
[37] Cardiff Univ, Sch Phys & Astron, Cardiff CF24 3AA, S Glam, Wales
关键词
instrumentation: photometers; instrumentation: spectrographs; space vehicles: instruments; submillimeter: general; DESIGN;
D O I
10.1051/0004-6361/201014519
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The Spectral and Photometric Imaging REceiver (SPIRE), is the Herschel Space Observatory`s submillimetre camera and spectrometer. It contains a three-band imaging photometer operating at 250, 350 and 500 mu m, and an imaging Fourier-transform spectrometer (FTS) which covers simultaneously its whole operating range of 194-671 mu m (447-1550 GHz). The SPIRE detectors are arrays of feedhorn-coupled bolometers cooled to 0.3 K. The photometer has a field of view of 4' x 8', observed simultaneously in the three spectral bands. Its main operating mode is scan-mapping, whereby the field of view is scanned across the sky to achieve full spatial sampling and to cover large areas if desired. The spectrometer has an approximately circular field of view with a diameter of 2.6'. The spectral resolution can be adjusted between 1.2 and 25 GHz by changing the stroke length of the FTS scan mirror. Its main operating mode involves a fixed telescope pointing with multiple scans of the FTS mirror to acquire spectral data. For extended source measurements, multiple position offsets are implemented by means of an internal beam steering mirror to achieve the desired spatial sampling and by rastering of the telescope pointing to map areas larger than the field of view. The SPIRE instrument consists of a cold focal plane unit located inside the Herschel cryostat and warm electronics units, located on the spacecraft Service Module, for instrument control and data handling. Science data are transmitted to Earth with no on-board data compression, and processed by automatic pipelines to produce calibrated science products. The in-flight performance of the instrument matches or exceeds predictions based on pre-launch testing and modelling: the photometer sensitivity is comparable to or slightly better than estimated pre-launch, and the spectrometer sensitivity is also better by a factor of 1.5-2.
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页数:7
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