Search Results - "Bedin, L. R."

The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters – XIX. A chemical tagging of the multiple stellar populations over the chromosome maps by Marino, A F, Milone, A P, Renzini, A, D’Antona, F, Anderson, J, Bedin, L R, Bellini, A, Cordoni, G, Lagioia, E P, Piotto, G, Tailo, M

“…Abstract The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters (GCs) has investigated GCs and their stellar populations. In previous papers…”
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Astrometry and Photometry with HST WFC3. II. Improved Geometric-Distortion Corrections for 10 Filters of the UVIS Channel by BELLIN, A, ANDERSON, J, BEDIN, L. R

“…We present an improved geometric-distortion solution for the Hubble Space Telescope UVIS channel of Wide Field Camera 3 for 10 broadband filters. The solution…”
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A PSF-based Approach to TESS High quality data Of Stellar clusters (PATHOS) – I. Search for exoplanets and variable stars in the field of 47 Tuc by Nardiello, D, Borsato, L, Piotto, G, Colombo, L S, Manthopoulou, E E, Bedin, L R, Granata, V, Lacedelli, G, Libralato, M, Malavolta, L, Montalto, M, Nascimbeni, V

“…ABSTRACT The TESS mission will survey ∼85  per cent of the sky, giving us the opportunity of extracting high-precision light curves of millions of stars,…”
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A PSF-based Approach to TESS High quality data Of Stellar clusters (PATHOS) – IV. Candidate exoplanets around stars in open clusters: frequency and age–planetary radius distribution by Nardiello, D, Deleuil, M, Mantovan, G, Malavolta, L, Lacedelli, G, Libralato, M, Bedin, L R, Borsato, L, Granata, V, Piotto, G

“…ABSTRACT The knowledge of the ages of stars hosting exoplanets allows us to obtain an overview on the evolution of exoplanets and understand the mechanisms…”
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HUBBLE SPACE TELESCOPE REVEALS MULTIPLE SUB-GIANT BRANCH IN EIGHT GLOBULAR CLUSTERS by PIOTTO, G, MILONE, A. P, ANDERSON, J, BEDIN, L. R, BELLINI, A, CASSISI, S, MARINO, A. F, APARICIO, A, NASCIMBENI, V

“…In the last few years many globular clusters (GCs) have revealed complex color-magnitude diagrams, with the presence of multiple main sequences (MSs), broad or…”
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Radial velocity confirmation of K2-100b: a young, highly irradiated, and low-density transiting hot Neptune by Barragán, O, Aigrain, S, Kubyshkina, D, Gandolfi, D, Livingston, J, Fridlund, M C V, Fossati, L, Korth, J, Parviainen, H, Malavolta, L, Palle, E, Deeg, H J, Nowak, G, Rajpaul, V M, Zicher, N, Antoniciello, G, Narita, N, Albrecht, S, Bedin, L R, Cabrera, J, Cochran, W D, de Leon, J, Eigmüller, Ph, Fukui, A, Granata, V, Grziwa, S, Guenther, E, Hatzes, A P, Kusakabe, N, Latham, D W, Libralato, M, Luque, R, Montañés-Rodríguez, P, Murgas, F, Nardiello, D, Pagano, I, Piotto, G, Persson, C M, Redfield, S, Tamura, M

“…ABSTRACT We present a detailed analysis of HARPS-N radial velocity observations of K2-100, a young and active star in the Praesepe cluster, which hosts a…”
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The Hubble Space Telescope UV Legacy Survey of galactic globular clusters – II. The seven stellar populations of NGC 7089 (M2) by Milone, A. P., Marino, A. F., Piotto, G., Bedin, L. R., Anderson, J., Renzini, A., King, I. R., Bellini, A., Brown, T. M., Cassisi, S., D'Antona, F., Jerjen, H., Nardiello, D., Salaris, M., Marel, R. P. van der, Vesperini, E., Yong, D., Aparicio, A., Sarajedini, A., Zoccali, M.

“…We present high-precision multiband photometry for the globular cluster (GC) M2. We combine the analysis of the photometric data obtained from the Hubble Space…”
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A Triple Main Sequence in the Globular Cluster NGC 2808 by Piotto, G, Bedin, L. R, Anderson, J, King, I. R, Cassisi, S, Milone, A. P, Villanova, S, Pietrinferni, A, Renzini, A

“…Accurate photometry with HSTs ACS shows that the main sequence (MS) of the globular cluster NGC 2808 splits into three separate branches. The three MS branches…”
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Detection of solar-like oscillations in relics of the Milky Way: asteroseismology of K giants in M4 using data from the NASA K2 mission by Miglio, A., Chaplin, W. J., Brogaard, K., Lund, M. N., Mosser, B., Davies, G. R., Handberg, R., Milone, A. P., Marino, A. F., Bossini, D., Elsworth, Y. P., Grundahl, F., Arentoft, T., Bedin, L. R., Campante, T. L., Jessen-Hansen, J., Jones, C. D., Kuszlewicz, J. S., Malavolta, L., Nascimbeni, V., Sandquist, E. L.

“…Asteroseismic constraints on K giants make it possible to infer radii, masses and ages of tens of thousands of field stars. Tests against independent estimates…”
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Chemical abundances in the multiple sub-giant branch of 47 Tucanae: insights on its faint sub-giant branch component by Marino, A. F., Milone, A. P., Casagrande, L., Collet, R., Dotter, A., Johnson, C. I., Lind, K., Bedin, L. R., Jerjen, H., Aparicio, A., Sbordone, L.

“…The globular cluster 47 Tuc exhibits a complex sub-giant branch (SGB) with a faint-SGB comprising only about the 10 per cent of the cluster mass and a…”
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The ACS Survey of Galactic Globular Clusters. III. The Double Subgiant Branch of NGC 1851 by Milone, A. P, Bedin, L. R, Piotto, G, Anderson, J, King, I. R, Sarajedini, A, Dotter, A, Chaboyer, B, Marín-Franch, A, Majewski, S, Aparicio, A, Hempel, M, Paust, N. E. Q, Reid, I. N, Rosenberg, A, Siegel, M

“…Photometry with the Hubble Space Telescope Advanced Camera for Surveys (HST ACS) reveals that the subgiant branch (SGB) of the globular cluster NGC 1851 splits…”
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THE C+N+O ABUNDANCE OF ω CENTAURI GIANT STARS: IMPLICATIONS FOR THE CHEMICAL-ENRICHMENT SCENARIO AND THE RELATIVE AGES OF DIFFERENT STELLAR POPULATIONS by MARINO, A. F, MILONE, A. P, PIOTTO, G, CASSISI, S, D'ANTONA, F, ANDERSON, J, APARICIO, A, BEDIN, L. R, RENZINI, A, VILLANOVA, S

“…We present a chemical-composition analysis of 77 red-giant stars in Omega Centauri. We have measured abundances for carbon and nitrogen, and combined our…”
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Sodium–Oxygen Anticorrelation and Neutron-capture Elements in Omega Centauri Stellar Populations by Marino, A. F, Milone, A. P, Piotto, G, Villanova, S, Gratton, R, D’Antona, F, Anderson, J, Bedin, L. R, Bellini, A, Cassisi, S, Geisler, D, Renzini, A, Zoccali, M

“…Omega Centauri is no longer the only globular cluster known to contain multiple stellar populations, yet it remains the most puzzling. Due to the extreme way…”
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Mixed Populations in Globular Clusters: Et Tu, 47 Tuc? by Anderson, J, Piotto, G, King, I. R, Bedin, L. R, Guhathakurta, P

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The halo+cluster system of the Galactic globular cluster NGC 1851 by Marino, A. F., Milone, A. P., Yong, D., Dotter, A., Da Costa, G., Asplund, M., Jerjen, H., Mackey, D., Norris, J., Cassisi, S., Sbordone, L., Stetson, P. B., Weiss, A., Aparicio, A., Bedin, L. R., Lind, K., Monelli, M., Piotto, G., Angeloni, R., Buonanno, R.

“…NGC 1851 is surrounded by a stellar component that extends more than 10 times beyond the tidal radius. Although the nature of this stellar structure is not…”
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The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters – IV. Helium content and relative age of multiple stellar populations within NGC 6352 by Nardiello, D., Piotto, G., Milone, A. P., Marino, A. F., Bedin, L. R., Anderson, J., Aparicio, A., Bellini, A., Cassisi, S., D'Antona, F., Hidalgo, S., Ortolani, S., Pietrinferni, A., Renzini, A., Salaris, M., Marel, R. P. van der, Vesperini, E.

“…In this paper, we combine Wide Field Camera3/UVIS F275W, F336W, and F438W data from the ‘UV Legacy Survey of Galactic Globular Clusters: Shedding Light on…”
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A Double Main Sequence in the Globular Cluster NGC 6397 by Milone, A. P, Marino, A. F, Piotto, G, Bedin, L. R, Anderson, J, Aparicio, A, Cassisi, S, Rich, R. M

“…High-precision multi-band Hubble Space Telescope (HST) photometry reveals that the main sequence of the globular cluster NGC 6397 splits into two components,…”
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The Double Subgiant Branch of NGC 1851: The Role of the CNO Abundance by Cassisi, S, Salaris, M, Pietrinferni, A, Piotto, G, Milone, A. P, Bedin, L. R, Anderson, J

“…We explore the possibility that the anomalous split in the subgiant branch (SGB) of the Galactic globular cluster NGC 1851 is due to the presence of two…”
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The Multiplicity of the Subgiant Branch of ω Centauri: Evidence for Prolonged Star Formation by Villanova, S, Piotto, G, King, I. R, Anderson, J, Bedin, L. R, Gratton, R. G, Cassisi, S, Momany, Y, Bellini, A, Cool, A. M, Recio-Blanco, A, Renzini, A

“…We combine spectroscopic and photometric data for subgiant stars of omega Cen to extract results that neither data set could have provided on its own…”
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Astrometric star-cluster membership probability: application to the case of M 37 with Gaia EDR3 by Griggio, M, Bedin, L R

“…ABSTRACT In this work, starting from the well-accepted relations in literature, we introduce a new formalism to compute the astrometric membership…”
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