Search Results - "Rando, N"

A review on large deployable structures for astrophysics missions by Puig, L., Barton, A., Rando, N.

“…As the performance of space based astrophysics observatories is directly limited by the size of the spacecraft and the telescope it carries, current missions…”
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The fundamental physics explorer: An ESA technology reference study by Binns, D.A., Rando, N., Cacciapuoti, L.

“…ESA technology reference studies are used as a process to identify key technologies and technical challenges of potential future missions not yet in the…”
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Improved performance of an engineering model cryogen free double adiabatic demagnetization refrigerator by Bartlett, J., Hardy, G., Hepburn, I.D., Brockley-Blatt, C., Coker, P., Crofts, E., Winter, B., Milward, S., Stafford-Allen, R., Brownhill, M., Reed, J., Linder, M., Rando, N.

“…This paper describes the design, development and performance of the engineering model double adiabatic demagnetization refrigerator (dADR) built and tested…”
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Single optical photon detection with a superconducting tunnel junction by Peacock, A, Verhoeve, P, Rando, N, van Dordrecht, A, Taylor, B. G, Erd, C, Perryman, M. A. C, Venn, R, Howlett, J, Goldie, D. J, Lumley, J, Wallis, M

“…Peacock et al report a super-conducting device that can overcome limitations associated with decreasing wavelengths, and which has performance characteristics…”
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Cryogenics in space: a review of the missions and of the technologies by Collaudin, B, Rando, N

“…Cryogenics has made a remarkable amount of progress over the last 15 years. The increased reliability and simplicity of operations of cryogenic equipment have…”
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High-speed energy-resolved STJ photometry of the eclipsing binary UZ For by Perryman, M.A.C., Cropper, M., Ramsay, G., Favata, F., Peacock, A., Rando, N., Reynolds, A.

“…We present high-time-resolution optical photometry of the eclipsing binary UZ For using a superconducting tunnel junction (STJ) device, a photon-counting array…”
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Space science applications of cryogenic detectors by Rando, N., Lumb, D., Bavdaz, M., Martin, D., Peacock, T.

“…The improved performance of cryogenic detectors has drastically enhanced their utilization range, allowing a number of space-based applications, with…”
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High-resolution x-ray spectra measured using tantalum superconducting tunnel junctions by Verhoeve, P., Rando, N., Peacock, A., van Dordrecht, A., Taylor, B. G., Goldie, D. J.

“…The spectral response of a 100×100 μm2 tantalum based superconducting tunnel junction to 5.9 keV x-ray photons from a Fe55 source has been studied. In full…”
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Evidence for an excited nonequilibrium quasiparticle distribution in superconducting tunnel junctions resulting from energy accumulation via sequential tunneling by KOZOREZOV, A. G, WIGMORE, J. K, PEACOCK, A, DEN HARTOG, R, MARTIN, D, BRAMMERTZ, G, VERHOEVE, P, RANDO, N

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STJ observations of the eclipsing polar HU Aqr by Bridge, C. M., Cropper, Mark, Ramsay, Gavin, Perryman, M. A. C., De Bruijne, J. H. J., Favata, F., Peacock, A., Rando, N., Reynolds, A. P.

“…Abstract We apply an eclipse mapping technique to observations of the eclipsing magnetic cataclysmic variable HU Aqr. The observations were made with the…”
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Focal plane cameras for ESA optical astronomy missions by Lumb, D.H., Rando, N., Peacock, A., Favata, F., Perryman, M.A.C.

“…Charge-coupled devices (CCDs) have played an important role in imaging and spectroscopic measurements for visible wavelength astronomy. Their introduction has…”
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Analysis of Early Science observations with the CHaracterising ExOPlanets Satellite (CHEOPS) using pycheops by Maxted, P F L, Ehrenreich, D, Wilson, T G, Alibert, Y, Cameron, A Collier, Hoyer, S, Sousa, S G, Olofsson, G, Bekkelien, A, Deline, A, Delrez, L, Bonfanti, A, Borsato, L, Alonso, R, Anglada Escudé, G, Barrado, D, Barros, S C C, Baumjohann, W, Beck, M, Beck, T, Benz, W, Billot, N, Biondi, F, Bonfils, X, Brandeker, A, Broeg, C, Bárczy, T, Cabrera, J, Charnoz, S, Corral Van Damme, C, Csizmadia, Sz, Davies, M B, Deleuil, M, Demangeon, O D S, Demory, B-O, Erikson, A, Florén, H G, Fortier, A, Fossati, L, Fridlund, M, Futyan, D, Gandolfi, D, Gillon, M, Guedel, M, Guterman, P, Heng, K, Isaak, K G, Kiss, L, Laskar, J, Lecavelier des Etangs, A, Lendl, M, Lovis, C, Magrin, D, Nascimbeni, V, Ottensamer, R, Pagano, I, Pallé, E, Peter, G, Piotto, G, Pollacco, D, Pozuelos, F J, Queloz, D, Ragazzoni, R, Rando, N, Rauer, H, Reimers, C, Ribas, I, Salmon, S, Santos, N C, Scandariato, G, Simon, A E, Smith, A M S, Steller, M, Swayne, M I, Szabó, Gy M, Ségransan, D, Thomas, N, Udry, S, Van Grootel, V, Walton, N A

“…ABSTRACT CHEOPS (CHaracterising ExOPlanet Satellite) is an ESA S-class mission that observes bright stars at high cadence from low-Earth orbit. The main aim of…”
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Observation of a new non-equilibrium state in superconductors caused by sequential tunnelling by Kozorezov, A. G, Wigmore, J. K, Peacock, A, Hartog, R. den, Martin, D, Brammertz, G, Verhoeve, P, Rando, N

“…A previously unrecognised non-equilibrium phenomenon in superconducting tunnel junctions is identified. The situation may arise in low-loss, low-gap,…”
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The effect of quasiparticle self-generation on the performance of small gap multiple tunnelling STJs by Kozorezov, A.G, den Hartog, R, Wigmore, J.K, Brammertz, G.B, Peacock, A, Martin, D, Verhoeve, P, Rando, N

“…Due to the slowness of the electron–phonon interaction in small gap STJs currently being developed as the latest generation of photon detectors, during the…”
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The EBLM project – VIII. First results for M-dwarf mass, radius, and effective temperature measurements using CHEOPS light curves by Swayne, M I, Maxted, P F L, Triaud, A H M J, Sousa, S G, Broeg, C, Florén, H-G, Guterman, P, Simon, A E, Boisse, I, Bonfanti, A, Martin, D, Santerne, A, Salmon, S, Standing, M R, Van Grootel, V, Wilson, T G, Alibert, Y, Alonso, R, Anglada Escudé, G, Asquier, J, Bárczy, T, Barrado, D, Barros, S C C, Battley, M, Baumjohann, W, Beck, M, Beck, T, Bekkelien, A, Benz, W, Billot, N, Bonfils, X, Brandeker, A, Busch, M-D, Cabrera, J, Charnoz, S, Collier Cameron, A, Csizmadia, Sz, Davies, M B, Deleuil, M, Deline, A, Delrez, L, Demangeon, O D S, Demory, B-O, Dransfield, G, Ehrenreich, D, Erikson, A, Fortier, A, Fossati, L, Fridlund, M, Futyan, D, Gandolfi, D, Gillon, M, Guedel, M, Hébrard, G, Heidari, N, Hellier, C, Heng, K, Hobson, M, Hoyer, S, Isaak, K G, Kiss, L, Kunovac Hodžić, V, Lalitha, S, Laskar, J, Lecavelier des Etangs, A, Lendl, M, Lovis, C, Magrin, D, Marafatto, L, McCormac, J, Miller, N, Nascimbeni, V, Olofsson, G, Ottensamer, R, Pagano, I, Pallé, E, Peter, G, Piotto, G, Pollacco, D, Queloz, D, Ragazzoni, R, Rando, N, Rauer, H, Ribas, I, Santos, N C, Scandariato, G, Ségransan, D, Smith, A M S, Steinberger, M, Steller, M, Szabó, Gy M, Thomas, N, Udry, S, Walter, I, Walton, N A, Willett, E

“…ABSTRACT The accuracy of theoretical mass, radius, and effective temperature values for M-dwarf stars is an active topic of debate. Differences between…”
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Superconducting tunnel junctions as photon counting detectors in the infrared to the ultraviolet by Verhoeve, P., Rando, N., Peacock, A., van Dordrecht, A., Poelaert, A., Goldie, D.J.

“…Photon counting experiments with Ta/Al superconducting tunnel junctions are presented. Single photon detection is demonstrated in the wavelength range /spl…”
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Exploiting timing capabilities of the CHEOPS mission with warm-Jupiter planets by Borsato, L, Piotto, G, Gandolfi, D, Nascimbeni, V, Lacedelli, G, Marzari, F, Billot, N, Maxted, P F L, Sousa, S, Cameron, A C, Bonfanti, A, Wilson, T G, Serrano, L M, Garai, Z, Alibert, Y, Alonso, R, Asquier, J, Bárczy, T, Bandy, T, Barrado, D, Barros, S C C, Baumjohann, W, Beck, M, Beck, T, Benz, W, Bonfils, X, Brandeker, A, Broeg, C, Cabrera, J, Charnoz, S, Csizmadia, S, Davies, M B, Deleuil, M, Delrez, L, Demangeon, O, Demory, B-O, des Etangs, A L, Ehrenreich, D, Erikson, A, Escudé, G A, Fortier, A, Fossati, L, Fridlund, M, Gillon, M, Guedel, M, Hasiba, J, Heng, K, Hoyer, S, Isaak, K G, Kiss, L, Kopp, E, Laskar, J, Lendl, M, Lovis, C, Magrin, D, Munari, M, Olofsson, G, Ottensamer, R, Pagano, I, Pallé, E, Peter, G, Pollacco, D, Queloz, D, Ragazzoni, R, Rando, N, Rauer, H, Ribas, I, Ségransan, D, Santos, N C, Scandariato, G, Simon, A, Smith, A M S, Steller, M, Szabó, G, Thomas, N, Udry, S, Van Grootel, V, Walton, N

“…ABSTRACT We present 17 transit light curves of seven known warm-Jupiters observed with the CHaracterising ExOPlanet Satellite (CHEOPS). The light curves have…”
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IR filters for high responsivity cryogenic detectors by Rando, N, Verhoeve, P, Gondoin, P, Collaudin, B, Verveer, J, Bavdaz, M, Peacock, A

“…Modern cryogenic detectors, such as Superconducting Tunnel Junctions and Transition Edge Sensors, provide single photon counting performance, medium to high…”
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The EBLM project – IX. Five fully convective M-dwarfs, precisely measured with CHEOPS and TESS light curves by Sebastian, D, Swayne, M I, Maxted, P F L, Triaud, A H M J, Sousa, S G, Olofsson, G, Beck, M, Billot, N, Hoyer, S, Gill, S, Heidari, N, Martin, D V, Persson, C M, Standing, M R, Alibert, Y, Alonso, R, Anglada, G, Asquier, J, Bárczy, T, Barrado, D, Barros, S C C, Battley, M P, Baumjohann, W, Beck, T, Benz, W, Bergomi, M, Boisse, I, Bonfils, X, Brandeker, A, Broeg, C, Cabrera, J, Charnoz, S, Collier Cameron, A, Csizmadia, Sz, Davies, M B, Deleuil, M, Delrez, L, Demangeon, O D S, Demory, B-O, Dransfield, G, Ehrenreich, D, Erikson, A, Fortier, A, Fossati, L, Fridlund, M, Gandolfi, D, Gillon, M, Güdel, M, Hasiba, J, Hébrard, G, Heng, K, Isaak, K G, Kiss, L L, Kopp, E, Kunovac, V, Laskar, J, Lecavelier des Etangs, A, Lendl, M, Lovis, C, Magrin, D, McCormac, J, Miller, N J, Nascimbeni, V, Ottensamer, R, Pagano, I, Pallé, E, Pepe, F A, Peter, G, Piotto, G, Pollacco, D, Queloz, D, Ragazzoni, R, Rando, N, Rauer, H, Ribas, I, Lalitha, S, Santerne, A, Santos, N C, Scandariato, G, Ségransan, D, Simon, A E, Smith, A M S, Steller, M, Szabó, Gy M, Thomas, N, Udry, S, Van Grootel, V, Walton, N A

“…ABSTRACT Eclipsing binaries are important benchmark objects to test and calibrate stellar structure and evolution models. This is especially true for binaries…”
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Fundamental effective temperature measurements for eclipsing binary stars – III. SPIRou near-infrared spectroscopy and CHEOPS photometry of the benchmark G0V star EBLM J0113+31 by Maxted, P F L, Miller, N J, Hoyer, S, Adibekyan, V, Sousa, S G, Billot, N, Fortier, A, Simon, A E, Collier Cameron, A, Swayne, M I, Gutermann, P, Triaud, A H M J, Southworth, J, Alibert, Y, Alonso, R, Anglada, G, Bárczy, T, Barrado Navascues, D, Barros, S C C, Baumjohann, W, Beck, M, Beck, T, Benz, W, Bonfils, X, Brandeker, A, Broeg, C, Buder, M, Cabrera, J, Charnoz, S, Corral van Damme, C, Csizmadia, Sz, Davies, M B, Deleuil, M, Delrez, L, Demangeon, O, Demory, B-O, Ehrenreich, D, Erikson, A, Fossati, L, Fridlund, M, Gandolfi, D, Gillon, M, Güdel, M, Heng, K, Hernández Leon, J E, Isaak, K G, Kiss, L L, Laskar, J, Lecavelier des Etangs, A, Lendl, M, Lovis, C, Magrin, D, Munari, M, Nascimbeni, V, Olofsson, G, Ottensamer, R, Pagano, I, Pallé, E, Peter, G, Piotto, G, Pollacco, D, Queloz, D, Ragazzoni, R, Rando, N, Rauer, H, Ribas, I, Santos, N C, Scandariato, G, Ségransan, D, Smith, A M S, Steinberger, M, Steller, M, Szabó, Gy M, Thomas, N, Udry, S, Van Grootel, V, Walton, N

“…ABSTRACT EBLM J0113+31 is a moderately bright (V = 10.1), metal-poor ([Fe/H] ≈−0.3) G0V star with a much fainter M dwarf companion on a wide, eccentric orbit…”
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