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The Photodetector Array Camera and Spectrometer (PACS) on the Herschel Space Observatory

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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.·2010·Astronomy and Astrophysics

Abstract

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 16×25 pixels, each, and two filled silicon bolometer arrays with 16×32 and 32×64 pixels, respectively, to perform integral-field spectroscopy and imaging photometry in the 60–210 μm wavelength regime. In photometry mode, it simultaneously images two bands, 60–85 μm or 85–125 μm and 125–210 μm, over a field of view of ~1.75'× 3.5', with close to Nyquist beam sampling in each band. In spectroscopy mode, it images a field of 47” × 47”, resolved into 5×5 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.

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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.
Venue
Astronomy and Astrophysics
Publisher
EDP Sciences
Published
2010-07
Volume
518
Pages
L2
ISSN
  • 0004-6361 (ISSN-L)
  • 1432-0746
OpenAlex
W2097350628
Cited by
2,215
References
0
FWCI
180.60
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: The Photodetector Array Camera and Spectrometer (PACS) on the Herschel Space Observatory. https://app.cochat.ai/papers/10.1051/0004-6361/201014535
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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., . . . Wiezorrek, E. (2010). The Photodetector Array Camera and Spectrometer (PACS) on the Herschel Space Observatory. Astronomy and Astrophysics. https://doi.org/10.1051/0004-6361/201014535

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