From SKA to SKAO: Early Progress in the SKAO Construction

Autor: Santander-Vela, J., Bartolini, M., and, Miccolis, M., Rees, N.

The Square Kilometre Array telescopes have recently started their construction phase, after years of pre-construction effort. The new SKA Observatory (SKAO) intergovernmental organisation has been created, and the start of construction ($\mathrm{T_0}

Externí odkaz: http://arxiv.org/abs/2110.13329

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

The Planck/LFI Radiometer Electronics Box Assembly

Autor: Herreros, J. M., Gomez, M. F., Rebolo, R., Chulani, H., Rubino-Martin, J. A., Hildebrandt, S. R., Bersanelli, M., Butler, R. C., Miccolis, M., Pena, A., Pereira, M., Torrero, F., Franceschet, C., Lopez, M., Alcala, C.

The Radiometer Electronics Box Assembly (REBA) is the control and data processing on board computer of the Low Frequency Instrument (LFI) of the Planck mission (ESA). The REBA was designed and built incorporating state of the art processors, communic

Externí odkaz: http://arxiv.org/abs/1001.4696

Thermal susceptibility of the Planck-LFI receivers

Autor: Terenzi, L, Salmon, M J, Colin, A, Mennella, A, Morgante, G, Tomasi, M, Battaglia, P, Lapolla, M, Bersanelli, M, Butler, R C, Cuttaia, F, D'Arcangelo, O, Davis, R, Franceschet, C, Galeotta, S, Gregorio, A, Hughes, N, Jukkala, P, Kettle, D, Laaninen, M, Leutenegger, P, Leonardi, R, Mandolesi, N, Maris, M, Meinhold, P, Miccolis, M, Roddis, N, Sambo, L, Sandri, M, Silvestri, R, Tuovinen, J, Valenziano, L, Varis, J, Villa, F, Wilkinson, A, Zonca, A

Publikováno v: Journal of Instrumentation, Vol. 4, 12, pp. T12012 (2009)

This paper is part of the Prelaunch status LFI papers published on JINST: http://www.iop.org/EJ/journal/-page=extra.proc5/jinst . This paper describes the impact of the Planck Low Frequency Instrument front end physical temperature fluctuations on th

Externí odkaz: http://arxiv.org/abs/1001.4653

The linearity response of the Planck-LFI flight model receivers

Autor: Mennella, A., Villa, F., Terenzi, L., Cuttaia, F., Battaglia, P., Bersanelli, M., Butler, R. C., D'Arcangelo, O., Artal, E., Davis, R., Frailis, M., Franceschet, C., Galeotta, S., Gregorio, A., Hughes, N., Jukkala, P., Kettle, D., Kilpiä, V. -H., Laaninen, M., Lapolla, P. M., Leonardi, R., Leutenegger, P., Lowe, S., Mandolesi, N., Maris, M., Meinhold, P., Mendes, L., Miccolis, M., Morgante, G., Roddis, N., Sandri, M., Silvestri, R., Stringhetti, L., Tomasi, M., Tuovinen, J., Valenziano, L., Zacchei, A., Varis, J., Wilkinson, A., Zonca, A.

Publikováno v: 2009 JINST 4 T12011

In this paper we discuss the linearity response of the Planck-LFI receivers, with particular reference to signal compression measured on the 30 and 44 GHz channels. In the article we discuss the various sources of compression and present a model that

Externí odkaz: http://arxiv.org/abs/1001.4610