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12 results on '"Nardiello D"'

1. X-Ray and Ultraviolet Emission of the Young Planet-hosting Star V1298 Tau from Coordinated Observations with XMM-Newton and Hubble Space Telescope

Author

Maggio, A., primary, Pillitteri, I., additional, Argiroffi, C., additional, Benatti, S., additional, Sanz-Forcada, J., additional, D’Orazi, V., additional, Biazzo, K., additional, Borsa, F., additional, Cabona, L., additional, Claudi, R., additional, Desidera, S., additional, Locci, D., additional, Nardiello, D., additional, Mancini, L., additional, Micela, G., additional, Rainer, M., additional, Spinelli, R., additional, Bignamini, A., additional, and Damasso, M., additional

Published
2023
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2. The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. XX. Ages of Single and Multiple Stellar Populations in Seven Bulge Globular Clusters

Author

Oliveira, R. A. P., primary, Souza, S. O., additional, Kerber, L. O., additional, Barbuy, B., additional, Ortolani, S., additional, Piotto, G., additional, Nardiello, D., additional, Pérez-Villegas, A., additional, Maia, F. F. S., additional, Bica, E., additional, Cassisi, S., additional, D’Antona, F., additional, Lagioia, E. P., additional, Libralato, M., additional, Milone, A. P., additional, Anderson, J., additional, Aparicio, A., additional, Bedin, L. R., additional, Brown, T. M., additional, King, I. R., additional, Marino, A. F., additional, Pietrinferni, A., additional, Renzini, A., additional, Sarajedini, A., additional, van der Marel, R., additional, and Vesperini, E., additional

Published
2020
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4. TheHubble Space TelescopeUV Legacy Survey of Galactic Globular Clusters. XV. The Dynamical Clock: Reading Cluster Dynamical Evolution from the Segregation Level of Blue Straggler Stars

Author

Ferraro, F. R., primary, Lanzoni, B., additional, Raso, S., additional, Nardiello, D., additional, Dalessandro, E., additional, Vesperini, E., additional, Piotto, G., additional, Pallanca, C., additional, Beccari, G., additional, Bellini, A., additional, Libralato, M., additional, Anderson, J., additional, Aparicio, A., additional, Bedin, L. R., additional, Cassisi, S., additional, Milone, A. P., additional, Ortolani, S., additional, Renzini, A., additional, Salaris, M., additional, and van der Marel, R. P., additional

Published
2018
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8. THEHUBBLE SPACE TELESCOPEUV LEGACY SURVEY OF GALACTIC GLOBULAR CLUSTERS. VIII. PRELIMINARY PUBLIC CATALOG RELEASE

Author

Soto, M., primary, Bellini, A., additional, Anderson, J., additional, Piotto, G., additional, Bedin, L. R., additional, van der Marel, R. P., additional, Milone, A. P., additional, Brown, T. M., additional, Cool, A. M., additional, King, I. R., additional, Sarajedini, A., additional, Granata, V., additional, Cassisi, S., additional, Aparicio, A., additional, Hidalgo, S., additional, Ortolani, S., additional, and Nardiello, D., additional

Published
2016
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9. THEHUBBLE SPACE TELESCOPEUV LEGACY SURVEY OF GALACTIC GLOBULAR CLUSTERS. VII. IMPLICATIONS FROM THE NEARLY UNIVERSAL NATURE OF HORIZONTAL BRANCH DISCONTINUITIES

Author

Brown, T. M., primary, Cassisi, S., additional, D’Antona, F., additional, Salaris, M., additional, Milone, A. P., additional, Dalessandro, E., additional, Piotto, G., additional, Renzini, A., additional, Sweigart, A. V., additional, Bellini, A., additional, Ortolani, S., additional, Sarajedini, A., additional, Aparicio, A., additional, Bedin, L. R., additional, Anderson, J., additional, Pietrinferni, A., additional, and Nardiello, D., additional

Published
2016
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10. THEHUBBLE SPACE TELESCOPEUV LEGACY SURVEY OF GALACTIC GLOBULAR CLUSTERS. I. OVERVIEW OF THE PROJECT AND DETECTION OF MULTIPLE STELLAR POPULATIONS

Author

Piotto, G., primary, Milone, A. P., additional, Bedin, L. R., additional, Anderson, J., additional, King, I. R., additional, Marino, A. F., additional, Nardiello, D., additional, Aparicio, A., additional, Barbuy, B., additional, Bellini, A., additional, Brown, T. M., additional, Cassisi, S., additional, Cool, A. M., additional, Cunial, A., additional, Dalessandro, E., additional, D’Antona, F., additional, Ferraro, F. R., additional, Hidalgo, S., additional, Lanzoni, B., additional, Monelli, M., additional, Ortolani, S., additional, Renzini, A., additional, Salaris, M., additional, Sarajedini, A., additional, Marel, R. P. van der, additional, Vesperini, E., additional, and Zoccali, M., additional

Published
2015
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12. The 'UV-route' to Search for Blue Straggler Stars in Globular Clusters: First Results from theHSTUV Legacy Survey

Author

Francesco R. Ferraro, Domenico Nardiello, Emanuele Dalessandro, Silvia Raso, Andrea Bellini, Barbara Lanzoni, Enrico Vesperini, Raso, S., Ferraro, F.R., Dalessandro, E., Lanzoni, B., Nardiello, D., Bellini, A., and Vesperini, E.

Subjects
010504 meteorology & atmospheric sciences, globular clusters: individual (NGC 2808, Population, FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Star (graph theory), 01 natural sciences, Blue straggler, techniques: photometric, 0103 physical sciences, Cluster (physics), Astrophysics::Solar and Stellar Astrophysics, Reference population, education, 010303 astronomy & astrophysics, Solar and Stellar Astrophysics (astro-ph.SR), Astrophysics::Galaxy Astrophysics, 0105 earth and related environmental sciences, Physics, education.field_of_study, NGC 6541, globular clusters: individual (NGC 2808, NGC 6388, NGC 6541, NGC 7078), NGC 6388, Astronomy and Astrophysics, NGC 7078), blue straggler, Astronomy and Astrophysic, blue stragglers, Space and Planetary Science, Stars, Wavelength, Astrophysics - Solar and Stellar Astrophysics, Globular cluster
Abstract

We used data from the HST UV Legacy Survey of Galactic Globular Clusters to select the Blue Straggler Star (BSS) population in four intermediate/high density systems (namely NGC 2808, NGC 6388, NGC 6541 and NGC 7078) through a "UV-guided search". This procedure consists in using the F275W images in each cluster to construct the master list of detected sources, and then force it to the images acquired in the other filters. Such an approach optimizes the detection of relatively hot stars and allows the detection of complete sample of BSSs even in the central region of high-density clusters, because the light from the bright cool giants, which dominates the optical emission in old stellar systems, is sensibly reduced at UV wavelengths. Our UV-guided selections of BSSs have been compared to the samples obtained in previous, optical-driven surveys, clearly demonstrating the efficiency of the UV approach. In each cluster we also measured the parameter A+, defined as the area enclosed between the cumulative radial distribution of BSSs and that of a reference population, which traces the level of BSS central segregation and the level of dynamical evolution suffered by the system. The values measured for the four clusters studied in this paper nicely fall along the dynamical sequence recently presented for a sample of 25 clusters., Comment: 30 pages, 9 figures, 4 tables; accepted for publication in ApJ

Published
2017
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