Publications (49)
The first search for variable stars in the open cluster NGC 6253 and its surrounding field
Fabrizio De Marchi, Ennio Poretti, Marco Montalto +2
Atmospheric Parameters and Metallicities for 2191 stars in the Globular Cluster M4
Luca Malavolta, Christopher Sneden, Giampaolo Piotto +3
Multiple stellar populations in Galactic globular clusters: observational evidence
Antonino P. Milone, Giampaolo Piotto, Luigi R. Bedin +3
The ACS Survey of Galactic Globular Clusters: M54 and Young Populations in the Sagittarius Dwarf Spheroidal Galaxy
Michael H. Siegel, Aaron Dotter, Steven R. Majewski +11
Peculiar Multimodality on the Horizontal Branch of the Globular Cluster NGC 2808
Craig Sosin, Ben Dorman, S. George Djorgovski +6
On the Cepheid variables of nearby galaxies III. NGC 3109
Ilaria Musella, Giampaolo Piotto, Massimo Capaccioli
An update of the on-sky performance of the Layer-Oriented wave-front sensor for MAD
Carmelo Arcidiacono, Matteo Lombini, Alessia Moretti +5
High resolution kinematics of galactic globular clusters. II. On the significance of velocity dispersion measurements
Simone R. Zaggia, Massimo Capaccioli, Giampaolo Piotto
NGC 6791: an exotic open cluster or the nucleus of a tidally disrupted galaxy?
Giovanni Carraro, Sandro Villanova, Pierre Demarque +3
Blue straggler production in globular clusters
Melvyn B. Davies, Giampaolo Piotto, Francesca De Angeli
Transforming observational data and theoretical isochrones into the ACS/WFC Vega-mag system
Luigi R. Bedin, Santi Cassisi, Fiorella Castelli +6
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. X. The radial distribution of stellar populations in NGC 2808
Matteo Simioni, Antonino P. Milone, Luigi R. Bedin +4
Does the mixing length parameter depend on metallicity?
Rossella Palmieri, Giampaolo Piotto, Ivo Saviane +2
Color--Magnitude Diagram and Luminosity Function of M4 Near the Hydrogen-Burning Limit
Luigi R. Bedin, Jay Anderson, Ivan R. King +1
Detailed abundances of Red Giants in the Globular Cluster NGC~1851: C+N+O and the Origin of Multiple Populations
Sandro Villanova, Douglas Geisler, Giampaolo Piotto
Statistical Study of the Blue Straggler Properties in Galactic Globular Clusters
Francesca De Angeli, Giampaolo Piotto
The Luminosity Function of the Globular Cluster NGC 6397 Near the Limit of Hydrogen Burning
Ivan R. King, Jay Anderson, Adrienne M. Cool +1
The ACS survey of globular clusters. XIII. Photometric calibration in comparison with Stetson standards
Maren Hempel, Ata Sarajedini, Jay Anderson +11
CCD photometry of the Tucana dwarf galaxy
Ivo Saviane, Enrico V. Held, Giampaolo Piotto
The Canarias Einstein Ring: a Newly Discovered Optical Einstein Ring
Margherita Bettinelli, Matteo Simioni, Antonio Aparicio +5
The Kepler-454 System: A Small, Not-rocky Inner Planet, a Jovian World, and a Distant Companion
Sara Gettel, David Charbonneau, Courtney D. Dressing +47
The ACS Survey of Galactic Globular Clusters. IX. Horizontal Branch Morphology and the Second Parameter Phenomenon
Aaron Dotter, Ata Sarajedini, Jay Anderson +11
Characterizing K2 Planet Discoveries: A super-Earth transiting the bright K-dwarf HIP 116454
Andrew Vanderburg, Benjamin T. Montet, John Asher Johnson +43
Multiple Stellar Populations in Galactic GCs: Observational Evidence
Giampaolo Piotto
Relative ages of inner-halo globular clusters
Ivo Saviane, Alfred Rosenberg, Giampaolo Piotto
The ACS Survey of Galactic Globular Clusters XI: The Three-Dimensional Orientation of the Sagittarius Dwarf Spheroidal Galaxy and its Globular Clusters
Michael H. Siegel, Steven R. Majewski, David R. Law +13
The red giant branches of Galactic globular clusters in the [(V-I)o,Mv] plane: metallicity indices and morphology
Ivo Saviane, Alfred Rosenberg, Giampaolo Piotto +1
Relative Frequencies of Blue Stragglers in Galactic Globular Clusters: Constraints for the Formation Mechanisms
Giampaolo Piotto, Francesca De Angeli, Ivan R. King +7
Sodium-oxygen anticorrelation and neutron capture elements in Omega Centauri stellar populations
Anna F. Marino, Antonino P. Milone, Giampaolo Piotto +10
The ACS Survey of Galactic Globular Clusters. VII. Relative Ages
Antonio Marin-Franch, Antonio Aparicio, Giampaolo Piotto +13
Global Architecture of Planetary Systems (GAPS), a project for the whole Italian Community
Ennio Poretti, Caterina Boccato, Riccardo Claudi +13
The peculiar properties of horizontal branch stars in omega Centauri
Christian Moni Bidin, Sandro Villanova, Giampaolo Piotto +2
Metallicities on the Double Main Sequence of omega Centauri Imply Large Helium Enhancement
Giampaolo Piotto, Sandro Villanova, Luigi R. Bedin +10
Discovery of Extended Blue Horizontal Branches in Two Metal-Rich Globular Clusters
R. Michael Rich, Craig Sosin, S. George Djorgovski +7
The relative ages of LMC old clusters, and the case of NGC 1841
Ivo Saviane, Alfred Rosenberg, Giampaolo Piotto +1
The Mass of Kepler-93b and The Composition of Terrestrial Planets
Courtney D. Dressing, David Charbonneau, Xavier Dumusque +32
An ACS Survey of Globular Clusters V: Star Catalog for Each Cluster
Jay Anderson, Ata Sarajedini, Luigi R. Bedin +10
The Kepler-10 planetary system revisited by HARPS-N: A hot rocky world and a solid Neptune-mass planet
Xavier Dumusque, Aldo S. Bonomo, Raphaelle D. Haywood +31
A New Spin on the Problem of HB Gaps: Stellar Rotation along the Blue Horizontal Branch of Globular Cluster M13
Bradford B. Behr, S. G. Djorgovski, Judith G. Cohen +4
TRADES: A new software to derive orbital parameters from observed transit times and radial velocities. Revisiting Kepler-11 and Kepler-9
Luca Borsato, Francesco Marzari, Valerio Nascimbeni +4
Luminosity and mass functions of galactic open clusters: II. NGC 4852
Giovanni Carraro, Gustavo Baume, Giampaolo Piotto +2
The link between chemical anomalies along the red giant branch and the horizontal branch extension in globular clusters
Eugenio Carretta, Alejandra Recio-Blanco, Raffaele G. Gratton +2
Observations of multiple populations in star clusters
Giampaolo Piotto
Revising the ages of planet-hosting stars
Andrea Bonfanti, Sergio Ortolani, Giampaolo Piotto +1
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. VII. Implications from the Nearly Universal Nature of Horizontal Branch Discontinuities
Thomas M. Brown, Santi Cassisi, Francesca D'Antona +14
Rotation velocities of hot horizontal branch stars in the globular clusters NGC 1904, NGC 2808, NGC 6093, and NGC 7078: the database
Alejandra Recio-Blanco, Giampaolo Piotto, Antonio Aparicio +1
Rotation of Hot Horizontal Branch Stars in the Globular Clusters NGC 1904, NGC 2808, NGC 6093 and NGC 7078
Alejandra Recio-Blanco, Giampaolo Piotto, Antonio Aparicio +1
An Earth-sized planet with an Earth-like density
Francesco Pepe, Andrew Collier Cameron, David W. Latham +31
Ground-Based CCD Astrometry with Wide Field Imagers. I. [Observations just a few years apart allow decontamination of field objects from members in two Globular clusters.]
Jay Anderson, Luigi R. Bedin, Giampaolo Piotto +3