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• (author = "Masi, S" AND source = "Astronomy & Astrophysics")
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author = "Masi, S" > : "Astronomy & Astrophysics" (x)
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Found 5 documents, displaying page 1 of 1

Planck Early Results: The thermal performance of Planck

Author(s) : Ade, P. A. R. , Aghanim, N. , Arnaud, M. , Ashdown, M. , Aumont, J. , Baccigalupi, C. , Baker, M. , Balbi, A. , Banday, A. J.
Description : The performance of the Planck instruments in space is enabled by their low operating temperatures, 20K for LFI and 0.1K for HFI, achieved through a combination of passive radiative cooling and three active mechanical coolers. Active coolers were chosen to minimize straylight on the detectors and to ...
Repository : ORBIT The DTU Research Database
Language(s) : English

Planck Early Results. VII. The Early Release Compact Source Catalog

Author(s) : Ade, P. A. R. , Aghanim, N. , Arnaud, M. , Ashdown, M. , Aumont, J. , Baccigalupi, C. , Balbi, A. , Banday, A. J. , Barreiro, R. B.
Description : (Abridged) A brief description of the methodology of construction, contents and usage of the Planck Early Release Compact Source Catalogue (ERCSC), including the Early Cold Cores (ECC) and the Early Sunyaev-Zeldovich (ESZ) cluster catalogue is provided. The catalogue is based on data that consist of...
Repository : ORBIT The DTU Research Database
Language(s) : English

Flux and color variations of the quadruply imaged quasar HE 0435-1223

Author(s) : Ricci, D. , Poels, J. , Elyiv, A. , Finet, F. , Sprimont, P.G. , Anguita, T. , Bozza, V. , Browne, P. , Burgdorf, M. , Calchi Novati, S.
Description : Aims: We present VRi photometric observations of the quadruply imaged quasarHE0435-1223, carried out with the Danish 1.54 m telescope at the La Silla Observatory. Our aim was to monitor and study the magnitudes and colors of each lensed component as a function of time. Methods. We monitored the obje...
Repository : Research at ASB
Language(s) : English

Flux and color variations of the quadruply imaged quasar HE 0435-1223

Author(s) : Ricci, D. , Poels, J. , Elyiv, A. , Finet, F. , Sprimont, P.G. , Anguita, T. , Bozza, V. , Browne, P. , Burgdorf, M. , Calchi Novati, S.
Description : Aims: We present VRi photometric observations of the quadruply imaged quasarHE0435-1223, carried out with the Danish 1.54 m telescope at the La Silla Observatory. Our aim was to monitor and study the magnitudes and colors of each lensed component as a function of time. Methods. We monitored the obje...
Repository : ORBIT The DTU Research Database
Language(s) : English

Planck pre-launch status: The Planck mission

Author(s) : Tauber, J. A. , Mandoles, N. , Puget, J.-L. , Banos, T. , Bersanelli, M. , Bouchet, F. R. , Butler, R. C. , Charra, J. , Crone, G.
Description : The European Space Agency's Planck satellite, launched on 14 May 2009, is the third-generation space experiment in the field of cosmic microwave background (CMB) research. It will image the anisotropies of the CMB over the whole sky, with unprecedented sensitivity ( ~ 2 × 10-6) and angular resolutio...
Repository : ORBIT The DTU Research Database
Language(s) : English
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Found 5 documents, displaying page 1 of 1