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Mancini, L.,Giacobbe, P.,Littlefair, S. P.,Southworth, J.,Bozza, V.,Damasso, M.,Dominik, M.,Hundertmark, M.,Jørgensen, U. G.,Juncher, D.,Popovas, A.,Rabus, M.,Rahvar, S.,Schmidt, R. W.,Skottfelt, J.,S EDP Sciences 2015 Astronomy and astrophysics Vol.584 No.-
<P>Context. Photometric monitoring of the variability of brown dwarfs can provide useful information about the structure of clouds in their cold atmospheres.The brown-dwarf binary system Luhman16AB is an interesting target for such a study, because its components stand at the L/T transition and show high levels of variability. Luhman16AB is also the third closest system to the solar system, which allows precise astrometric investigations with ground-based facilities. Aims. The aim of the work is to estimate the rotation period and study the astrometric motion of both components. Methods. We have monitored Luhman16AB over a period of two years with the lucky-imaging camera mounted on the Danish 1.54m telescope at La Silla, through a special i + z long-pass filter, which allowed us to clearly resolve the two brown dwarfs into single objects. An intense monitoring of the target was also performed over 16 nights, in which we observed a peak-to-peak variability of 0.20±0.02mag and 0.34±0.02mag for Luhman16A and 16B, respectively. Results. We used the 16-night time-series data to estimate the rotation period of the two components. We found that Luhman16B rotates with a period of 5.1 ±0.1h, in very good agreement with previous measurements. For Luhman16A, we report that it rotates more slowly than its companion, and even though we were not able to get a robust determination, our data indicate a rotation period of roughly 8h. This implies that the rotation axes of the two components are well aligned and suggests a scenario in which the two objects underwent the same accretion process. The 2-year complete data set was used to study the astrometric motion of Luhman16AB. We predict a motion of the system that is not consistent with a previous estimate based on two months of monitoring, but cannot confirm or refute the presence of additional planetary-mass bodies in the system.</P>
Physical properties of the WASP-67 planetary system from multi-colour photometry
Mancini, L.,Southworth, J.,Ciceri, S.,Calchi Novati, S.,Dominik, M.,Henning, Th.,Jørgensen, U. G.,Korhonen, H.,Nikolov, N.,Alsubai, K. A.,Bozza, V.,Bramich, D. M.,D’Ago, G.,Figuera Jaimes, R.,Galianni EDP Sciences 2014 Astronomy and astrophysics Vol.568 No.2
PASTA ‘MADE IN TUSCANY’: TRACEABILITY AND SUSTAINABILITY AS MARKETING STRATEGY
Ada Baldi,Marco Mancini,Anna Dalla Marta,Simone Orlandini 글로벌지식마케팅경영학회 2015 Global Fashion Management Conference Vol.2015 No.06
This paper presents the case study of the Tuscan growers pasta, an example of linkage between people, territory, environment and food. The use of new technologies for agronomic management, cultivation protocols, and a food supply chain agreement guarantee high quality, traceability and sustainability from field to package, representing an innovative marketing strategy.
High-precision photometry by telescope defocusing - VII. The ultrashort period planet WASP-103
Southworth, J.,Mancini, L.,Ciceri, S.,Budaj, J.,Dominik, M.,Figuera Jaimes, R.,Haugbolle, T.,Jorgensen, U. G.,Popovas, A.,Rabus, M.,Rahvar, S.,von Essen, C.,Schmidt, R. W.,Wertz, O.,Alsubai, K. A.,Boz Oxford University Press 2015 MONTHLY NOTICES- ROYAL ASTRONOMICAL SOCIETY Vol.447 No.1
Physical properties of the HAT-P-23 and WASP-48 planetary systems from multi-colour photometry
Ciceri, S.,Mancini, L.,Southworth, J.,Bruni, I.,Nikolov, N.,D’Ago, G.,Schrö,der, T.,Bozza, V.,Tregloan-Reed, J.,Henning, Th. Springer-Verlag 2015 Astronomy and astrophysics Vol.577 No.-
<P>Context. Accurate and repeated photometric follow-up observations of planetary transit events are important to precisely characterize the physical properties of exoplanets. A good knowledge of the main characteristics of the exoplanets is fundamental in order to trace their origin and evolution. Multi-band photometric observations play an important role in this process. Aims. By using new photometric data, we computed precise estimates of the physical properties of two transiting planetary systems at equilibrium temperatures of ~2000 K. Methods. We present new broadband, multi-colour photometric observations obtained using three small class telescopes and the telescope-defocussing technique. In particular we obtained 11 and 10 light curves covering 8 and 7 transits of HAT-P-23 and WASP48, respectively. For each of the two targets, one transit event was simultaneously observed through four optical filters. One transit of WASP-48b was monitored with two telescopes from the same observatory. The physical parameters of the systems were obtained by fitting the transit light curves with JKTEBOP and from published spectroscopic measurements. Results. We have revised the physical parameters of the two planetary systems, finding a smaller radius for both HAT-P-23?b and WASP48?b, Rb = 1.224 ± 0.037 RJup and Rb = 1.396 ±0.051 RJup, respectively, than those measured in the discovery papers (Rb = 1.368 ± 0.090 RJup and Rb = 1.67 ±0.10 RJup). The density of the two planets are higher than those previously published (ρb ~ 1.1 and ~0.3 ρjup for HAT-P-23 and WASP48, respectively) hence the two hot Jupiters are no longer located in a parameter space region of highly inflated planets. An analysis of the variation of the planet’s measured radius as a function of optical wavelength reveals flat transmission spectra within the experimental uncertainties. We also confirm the presence of the eclipsing contact binary NSVS3071474 in the same field of view of WASP48, for which we refine the value of the period to be 0.459?d.</P>
Research on Family Life Education Programs in Korea: A Content Analysis of Themes and Theories
Lee, So-Young,Mancini, Jay A.,Ok, Sun-Wha The Korean Home Economics Association 2006 International Journal of Human Ecology Vol.7 No.2
A conceptual framework, based on a curriculum model of family life education content, and on a schema for analyzing explicit use of theory, was developed to discern the substantive themes of programs and the role of theories in publications on programs for families in the Korean family studies literature. Seventy two journal articles published between 1990 and 2002 were analyzed. The results revealed that the Korean family life education programs dealt with the breadth of topics, but most particularly internal family dynamics and interpersonal relationships, and utilized theoretical concepts as input and output in a different level: explicit, implicit, or no use of theories. Implications for future research and practice in Korean family life education are discussed, including gaps in the substantive foci of programs, and aligning programs more closely with theory.