Planck early results. III. First assessment of the Low Frequency Instrument in-flight performance

Autor: Mennella, A., Bersanelli, M., Butler, R. C., Curto, A., Cuttaia, F., Davis, R. J., Dick, J., Frailis, M., Galeotta, S., Gregorio, A., Kurki-Suonio, H., Lawrence, C. R., Leach, S., Leahy, J. P., Lowe, S., Maino, D., Mandolesi, N., Maris, M., Martínez-González, E., Meinhold, P. R., Morgante, G., Pearson, D., Perrotta, F., Polenta, G., Poutanen, T., Sandri, M., Seiffert, M. D., Suur-Uski, A. -S., Tavagnacco, D., Terenzi, L., Tomasi, M., Valiviita, J., Villa, F., Watson, R., Wilkinson, A., Zacchei, A., Zonca, A., Aja, B., Artal, E., Baccigalupi, C., Banday, A. J., Barreiro, R. B., Bartlett, J. G., Bartolo, N., Battaglia, P., Bennett, K., Bonaldi, A., Bonavera, L., Borrill, J., Bouchet, F. R., Burigana, C., Cabella, P., Cappellini, B., Chen, X., Colombo, L., Cruz, M., Danese, L., D'Arcangelo, O., Davies, R. D., de Gasperis, G., de Rosa, A., de Zotti, G., Dickinson, C., Diego, J. M., Donzelli, S., Efstathiou, G., Enßlin, T. A., Eriksen, H. K., Falvella, M. C., Finelli, F., Foley, S., Franceschet, C., Franceschi, E., Gaier, T. C., Génova-Santos, R. T., George, D., Gómez, F., González-Nuevo, J., Górski, K. M., Gruppuso, A., Hansen, F. K., Herranz, D., Herreros, J. M., Hoyland, R. J., Hughes, N., Jewell, J., Jukkala, P., Juvela, M., Kangaslahti, P., Keihänen, E., Keskitalo, R., Kilpia, V. -H., Kisner, T. S., Knoche, J., Knox, L., Laaninen, M., Lähteenmäki, A., Lamarre, J. -M., Leonardi, R., León-Tavares, J., Leutenegger, P., Lilje, P. B., López-Caniego, M., Lubin, P. M., Malaspina, M., Marinucci, D., Massardi, M., Matarrese, S., Matthai, F., Melchiorri, A., Mendes, L., Miccolis, M., Migliaccio, M., Mitra, S., Moss, A., Natoli, P., Nesti, R., Nørgaard-Nielsen, H. U., Pagano, L., Paladini, R., Paoletti, D., Partridge, B., Pasian, F., Pettorino, V., Pietrobon, D., Pospieszalski, M., Prézeau, G., Prina, M., Procopio, P., Puget, J. -L., Quercellini, C., Rachen, J. P., Rebolo, R., Reinecke, M., Ricciardi, S., Robbers, G., Rocha, G., Roddis, N., Rubiño-Martín, J. A., Savelainen, M., Scott, D., Silvestri, R., Simonetto, A., Sjoman, P., Smoot, G. F., Sozzi, C., Stringhetti, L., Tauber, J. A., Tofani, G., Toffolatti, L., Tuovinen, J., Türler, M., Umana, G., Valenziano, L., Varis, J., Vielva, P., Vittorio, N., Wade, L. A., Watson, C., White, S. D. M., Winder, F.

Publikováno v: A&A Vol 536, A3 (Dec 2011)

The scientific performance of the Planck Low Frequency Instrument (LFI) after one year of in-orbit operation is presented. We describe the main optical parameters and discuss photometric calibration, white noise sensitivity, and noise properties. A p

Externí odkaz: http://arxiv.org/abs/1101.2038

Design, development, and verification of the Planck Low Frequency Instrument 70 GHz Front-End and Back-End Modules

Autor: Varis, J., Hughes, N. J., Laaninen, M., Kilpia, V. -H., Jukkala, P., Tuovinen, J., Ovaska, S., Sjoman, P., Kangaslahti, P., Gaier, T., Hoyland, R., Meinhold, P., Mennella, A., Bersanelli, M., Butler, R. C., Cuttaia, F., Franceschi, E., Leonardi, R., Leutenegger, P., Malaspina, M., Mandolesi, N., Miccolis, M., Poutanen, T., Kurki-Suonio, H., Sandri, M., Stringhetti, L., Terenzi, L., Tomasi, M., Valenziano, L.

70 GHz radiometer front-end and back-end modules for the Low Frequency Instrument of the European Space Agencys Planck Mission were built and tested. The operating principles and the design details of the mechanical structures are described along wit

Externí odkaz: http://arxiv.org/abs/1001.4661

Advanced modelling of the Planck-LFI radiometers

Autor: Battaglia, P., Franceschet, C., Zonca, A ., Bersanelli, M., Butler, R. C., D'Arcangelo, O., Davis, R. J., Galeotta, S., Guzzi, P., Hoyland, R., Hughes, N., Jukkala, P., Kettle, D., Laaninen, M., Leonardi, R., Maino, D., Mandolesi, N., Meinhold, P., Mennella, A., Platania, P., Terenzi, L., Tuovinen, J., Varis, J., Villa, F., Wilkinson, A.

Publikováno v: Journal of Instrumentation, Volume 4, Start page T12014, 2009

The Low Frequency Instrument (LFI) is a radiometer array covering the 30-70 GHz spectral range on-board the ESA Planck satellite, launched on May 14th, 2009 to observe the cosmic microwave background (CMB) with unprecedented precision. In this paper

Externí odkaz: http://arxiv.org/abs/1001.4659

Noise Properties of the Planck-LFI Receivers

Autor: Meinhold, P., Leonardi, R., Aja, B., Artal, E., Battaglia, P., Bersanelli, M., Blackhurst, E., Butler, C. R., Cuevas, L. P., Cuttaia, F., D'Arcangelo, O., Davis, R., de la Fuente, M. L., Frailis, M., Franceschet, C., Franceschi, E., Gaier, T., Galeotta, S., Gregorio, A., Hoyland, R., Hughes, N., Jukkala, P., Kettle, D., Laaninen, M., Leutenegger, P., Lowe, S. R., Malaspina, M., Mandolesi, R., Maris, M., Martínez-González, E., Mendes, L., Mennella, A., Miccolis, M., Morgante, G., Roddis, N., Sandri, M., Seiffert, M., Salmón, M., Stringhetti, L., Poutanen, T., Terenzi, L., Tomasi, M., Tuovinen, J., Varis, J., Valenziano, L., Villa, F., Wilkinson, A., Winder, F., Zacchei, A., Zonca, A.

The Planck Low Frequency Instrument (LFI) radiometers have been tested extensively during several dedicated campaigns. The present paper reports the principal noise properties of the LFI radiometers.
Comment: this paper is part of the Prelaunch

Externí odkaz: http://arxiv.org/abs/1001.4608

Planck-LFI radiometers' spectral response

Autor: Zonca, A, Franceschet, C, Battaglia, P, Villa, F, Mennella, A, D'Arcangelo, O, Silvestri, R, Bersanelli, M, Artal, E, Butler, R C, Cuttaia, F, Davis, R J, Galeotta, S, Hughes, N, Jukkala, P, Kilpia, V-H, Laaninen, M, Mandolesi, N, Maris, M, Mendes, L, Sandri, M, Terenzi, L, Tuovinen, J, Varis, J, Wilkinson, A

Publikováno v: Journal of Instrumentation, Volume 4, Start page T12010, 2009

The Low Frequency Instrument (LFI) is an array of pseudo-correlation radiometers on board the Planck satellite, the ESA mission dedicated to precision measurements of the Cosmic Microwave Background. The LFI covers three bands centred at 30, 44 and 7

Externí odkaz: http://arxiv.org/abs/1001.4589