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ID:
559397.0,
MPI für Astronomie / Publikationen_mpia |
The Photodetector Array Camera and Spectrometer (PACS) on the Herschel Space Observatory |
Authors: | Poglitsch, A.; Waelkens, C.; Geis, N.; Feuchtgruber, H.; Vandenbussche, B.; Rodriguez, L.; Krause, O.; Renotte, E.; van Hoof, C.; Saraceno, P.; Cepa, J.; Kerschbaum, F.; Agnèse, P.; Ali, B.; Altieri, B.; Andreani, P.; Augueres, J. L.; Balog, Z.; Barl, L.; Bauer, O. H.; Belbachir, N.; Benedettini, M.; Billot, N.; Boulade, O.; Bischof, H.; Blommaert, J.; Callut, E.; Cara, C.; Cerulli, R.; Cesarsky, D.; Contursi, A.; Creten, Y.; De Meester, W.; Doublier, V.; Doumayrou, E.; Duband, L.; Exter, K.; Genzel, R.; Gillis, J. M.; Grözinger, U.; Henning, T.; Herreros, J.; Huygen, R.; Inguscio, M.; Jakob, G.; Jamar, C.; Jean, C.; de Jong, J.; Katterloher, R.; Kiss, C.; Klaas, U.; Lemke, D.; Lutz, D.; Madden, S.; Marquet, B.; Martignac, J.; Mazy, A.; Merken, P.; Montfort, F.; Morbidelli, L.; Müller, T.; Nielbock, M.; Okumura, K.; Orfei, R.; Ottensamer, R.; Pezzuto, S.; Popesso, P.; Putzeys, J.; Regibo, S.; Reveret, V.; Royer, P.; Sauvage, M.; Schreiber, J.; Stegmaier, J.; Schmitt, D.; Schubert, J.; Sturm, E.; Thiel, M.; Tofani, G.; Vavrek, R.; Wetzstein, M.; Wieprecht, E.; Wiezorrek, E. | Date of Publication (YYYY-MM-DD): | 2010 | Journal Abbrev.: | Astronomy and Astrophysics | Volume: | 518 | Start Page: | id.L2 | Audience: | Not Specified | Abstract / Description: | The Photodetector Array Camera and Spectrometer (PACS) is one of the three science instruments on ESA's far infrared and submillimetre observatory. It employs two Ge:Ga photoconductor arrays (stressed and unstressed) with 16Ãâ25 pixels, each, and two filled silicon bolometer arrays with 16Ãâ32 and 32Ãâ64 pixels, respectively, to perform integral-field spectroscopy and imaging photometry in the 60-210 üm wavelength regime. In photometry mode, it simultaneously images two bands, 60-85 üm or 85-125 üm and 125-210 üm, over a field of view of ~1.75'Ãâ 3.5', with close to Nyquist beam sampling in each band. In spectroscopy mode, it images a field of 47ââ¬Â Ãâ 47ââ¬Â, resolved into 5Ãâ5 pixels, with an instantaneous spectral coverage of ~1500 km s-1 and a spectral resolution of ~175 km s-1. We summarise the design of the instrument, describe observing modes, calibration, and data analysis methods, and present our current assessment of the in-orbit performance of the instrument based on the performance verification tests. PACS is fully operational, and the achieved performance is close to or better than the pre-launch predictions. Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA. | Free Keywords: | space vehicles: instruments; instrumentation: photometers; instrumentation: spectrographs | External Publication Status: | published | Document Type: | Article |
Communicated by: | N. N. | Affiliations: | MPI für Astronomie | Identifiers: | URL:http://adsabs.harvard.edu/abs/2010A%26A...518L...2...
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