Search filters

List of works by Raffaele Gratton

A Stroemgren view of the multiple populations in globular clusters

scientific article published in January 2011

A giant planet in the triple system HD 132563

scientific article published in Astronomy and Astrophysics

A scaled-up planetary system around a supernova progenitor

scientific article published in 2022

A sequence of nitrogen-rich very red giants in the globular cluster NGC 1851

scientific article published in January 2014

A vigorous activity cycle mimicking a planetary system in HD 200466

scientific article published in Astronomy and Astrophysics

Abundance analysis of turn-off and early subgiant stars in the globular cluster 47 Tuc (NGC 104)

scientific article published in January 2004

Abundance anomalies in hot horizontal branch stars of the galactic globular cluster NGC 1904

scientific article published in January 2005

Abundances for a large sample of red giants in NGC 1851: hints for a merger of two clusters?

scientific article

Abundances for globular cluster giants. I. Homogeneous metallicities for 24 clusters

Abundances in extremely metal-poor stars

scientific article

Abundances in globular cluster dwarfs

scientific article published in January 2003

Abundances of C, N, O in slightly evolved stars in the globular clusters NGC 6397, NGC 6752 and 47 Tuc

scientific article published in January 2005

Abundances of elements of the Fe-group in metal-poor stars

scientific article published in January 1991

Abundances of light elements in metal-poor stars. I. Atmospheric parameters and a new T_eff_ scale

scientific article published in January 1996

Abundances of light elements in metal-poor stars. II. Non-LTE abundance corrections

scientific article

Abundances of light elements in metal-poor stars. III. Data analysis and results

scholarly article

Abundances of light elements in metal-poor stars. IV. [Fe/O] and [Fe/Mg] ratios and the history of star formation in the solar neighborhood

scholarly article

Abundances of neutron-capture elements in metal-poor stars

scientific article published in January 1994

Accretion of chemically fractionated material on a wide binary with a blue straggler

scientific article published in January 2007

Aluminium abundances in five discrete stellar populations of the globular cluster NGC 2808

scientific article published in January 2018

Aluminum abundances of multiple stellar generations in the globular cluster NGC 1851

scientific article published in January 2012

An abundance analysis for five red horizontal-branch stars in the extremely metal-rich globular cluster NGC 6553

scientific article published in January 1999

An abundance analysis for four red horizontal-branch stars in the extremely metal-rich globular cluster NGC 6528

scientific article published in January 2001

An aluminium tool for multiple stellar generations in the globular clusters 47 Tucanae and M 4

scientific article

Asteroseismology of Procyon A with SARG at TNG

scientific article published in Astronomy and Astrophysics

Astrophysical false positives in direct imaging for exoplanets: a white dwarf close to a rejuvenated star

scientific article published in Astronomy and Astrophysics

BIGRE: a low cross-talk integral field unit tailored for extrasolar planets imaging spectroscopy

Ba stars and other binaries in first and second generation stars in globular clusters

scientific article published in January 2010

Calcium and light-elements abundance variations from high-resolution spectroscopy in globular clusters

scientific article published in January 2010

Calibrating SPHERE, the exo-planet imager for the VLT

Can beryllium abundances be used to estimate stellar ages?

Characterization of the HD 17156 planetary system

scientific article published in Astronomy and Astrophysics

Chemical characterisation of the globular cluster NGC 5634 associated to the Sagittarius dwarf spheroidal galaxy

scientific article published in January 2017

Chemical enrichment mechanisms in {omega} Centauri: clues from neutron-capture elements

scientific article published in January 2011

Chemical tagging of three distinct populations of red giants in the globular cluster NGC 6752

scientific article published in January 2012

Coordinated X-ray and optical observations of star-planet interaction in HD 17156

Deep photometry of globular clusters. II. The remote cluster Pal 3

scientific article published in January 1984

Deep photometry of globular clusters. III. The globular cluster in Eridanus GLC 0423-21

scientific article published in January 1986

Deep photometry of globular clusters. IV. Preliminary main sequence photometry of the globular clusters NGC 1904, 2298 and 2808

scientific article published in January 1986

Deep photometry of globular clusters. VI. E2 and E3

scientific article

Deep photometry of globular clusters. VIII. The highly reddened cluster AM-2

scientific article published in January 1988

Deep photometry of globular clusters. XI. Palomar 12 : the youngest galactic globular cluster ?

scientific article published in January 1988

Derivation of astrophysical parameters from the luminosity function of globular clusters near the turn-off

scientific article published in January 1986

Detailed abundances of a large sample of giant stars in M 54 and in the Sagittarius nucleus

scholarly article

Detecting life outside our solar system with a large high-contrast-imaging mission

Detection of Solar‐like Oscillations in the G5 Subgiant μ Her

scientific article published in the Astrophysical Journal

Determining mass limits around HD 163296 through SPHERE direct imaging data

scholarly article

Diluting the material forming the second generation stars in globular clusters: the contribution by unevolved stars

scientific article published in January 2010

Discovery of a bipolar and highly variable mass outflow from the symbiotic binary StH{alpha} 190

scientific article

Discovery of a brown dwarf companion to the star HIP 64892

scientific article published in Astronomy and Astrophysics

Discovery of a planetary-mass companion within the gap of the transition disk around PDS 70

scientific article published in Astronomy and Astrophysics

Discovery of a warm, dusty giant planet around HIP 65426

scientific article published in 'Astronomy and Astrophysics' in September 2017

Distances and ages of 26 globular clusters

scientific article published in January 1985

Distances and ages of NGC 6397, NGC 6752 and 47 Tuc

scientific article

Dynamical masses of M-dwarf binaries in young moving groups

scientific article published in Astronomy and Astrophysics

ELT-HIRES, the high resolution spectrograph for the ELT: the Phase A study and the path to construction

scientific article published on 13 December 2020

Equivalent widths for Fe-group lines in field and cluster metal poor stars

scholarly article

Equivalent widths for field halo and disk stars

scientific article published in January 1987

Equivalent widths for giants in metal rich globular clusters. I

scientific article published in January 1987

Exploring the R CrA environment with SPHERE. Discovery of a new stellar companion

scientific article

Eyes on K2-3: A system of three likely sub-Neptunes characterized with HARPS-N and HARPS

scientific article published in Astronomy and Astrophysics

First light LBT AO images of HR 8799 bcde at 1.6 and 3.3 {mu}m: new discrepancies between young planets and old brown dwarfs

scientific article published in the Astrophysical Journal

First light of the VLT planet finder SPHERE

scientific article published in Astronomy and Astrophysics

First light of the VLT planet finder SPHERE

scientific article

First light of the VLT planet finder SPHERE

scholarly article

First light of the VLT planet finder SPHERE. III. New spectrophotometry and astrometry of the HR 8799 exoplanetary system

scientific article

Fluorine variations in the globular cluster NGC 6656 (M22): implications for internal enrichment timescales

scientific article published in January 2013

H-alpha emission in old giants

scholarly article

HD 117214 debris disk: scattered-light images and constraints on the presence of planets

scholarly article

HD 17156 : a progress report

HD 39853 : a high velocity K5 III star with an exceptionally large Li content

scientific article published in January 1989

He-rich and He-poor populations in RGB stars. Results on a sample of 19 globular clusters

Heavy elements abundances in turn-off stars and early subgiants in NGC 6752

scientific article published in January 2004

Heavy elements and chemical enrichment in globular clusters

scholarly article

Helium in first and second-generation stars in globular clusters from spectroscopy of red giants

scientific article published in Astronomy and Astrophysics

High contrast imaging: a new frontier for exoplanets search and characterization

High resolution near IR spectroscopy with GIANO-TNG

Homogeneous photometry and metal abundances for a large sample of Hipparcos metal-poor stars

scientific article published in January 1999

IRDIS, the dual-band imager camera of SPHERE: testing the performances in laboratory

In-depth study of moderately young but extremely red, very dusty substellar companion HD 206893B

scientific article published in Astronomy and Astrophysics

Infrared photometry of young massive clusters in the starburst galaxy NGC 4214

scientific article published in January 2013

Intrinsic iron spread and a new metallicity scale for globular clusters

scientific article published in January 2009

Investigating point sources in MWC 758 with SPHERE

scientific article published in August 2021

Investigating three Sirius-like systems with SPHERE

scholarly article

LBT observations of the HR 8799 planetary system

scientific article published in Astronomy and Astrophysics

Li in NGC 6752 and the formation of globular clusters

scientific article published in January 2005

Light element and Ni abundance in field disk and halo stars

scientific article published in January 1987

Line bisectors and radial velocity jitter from SARG spectra

scientific article published in January 2005

Lithium abundances in globular cluster giants: NGC 1904, NGC 2808, and NGC 362

scientific article published in January 2015

Lithium abundances in globular cluster giants: NGC 6218 (M12) and NGC 5904 (M5)

scientific article published in January 2014

Lithium and proton-capture elements in globular cluster dwarfs: the case of 47 Tuc

scientific article published in January 2010

M 1-77 : a peculiar planetary nebula

scientific article

M54 + Sagittarius = {omega} Centauri

Mapping of shadows cast on a protoplanetary disk by a close binary system

scholarly article

Mass motions and chromospheres of RGB stars in the globular cluster NGC 2808

scientific article published in January 2004

Metal abundances in 26 halo stars

scientific article

Metal abundances in metal-poor globular clusters

scientific article

Metal abundances of RR Lyrae stars in the bar of the Large Magellanic Cloud

scientific article published in January 2004

Metal abundances of RR Lyrae stars in the metal-rich globular cluster NGC 6441

scholarly article

Metallicities for double-mode RR Lyrae stars in the Large Magellanic Cloud

scientific article published in January 2001

Metallicities on the Double Main Sequence of ω Centauri Imply Large Helium Enhancement

scientific article published in the Astrophysical Journal

Methods for the detection and the characterization of low mass companions using the IFS of SPHERE

Multiple populations in globular clusters. -- Lessons learned from the Milky Way globular clusters

scientific article published in January 2012

Multiple populations in {omega} Centauri: a cluster analysis of spectroscopic data

scientific article published in January 2011

Multiple stellar populations in 47 Tucanae

scientific article published in the Astrophysical Journal

Multiple stellar populations in the globular cluster NGC 1851

scientific article published in January 2011

NGC 362: another globular cluster with a split red giant branch

article by Carretta E. et al published 2013 in Astronomy and Astrophysics

NGC 6139: a normal massive globular cluster, or a first-generation dominated cluster? Clues from the light elements

article by Bragaglia A. et al published 2015 in Astronomy and Astrophysics

NGC 6535: the lowest mass Milky Way globular cluster with a Na-O anti-correlation?. Cluster mass and age in the multiple population context

scientific article published in January 2017

Na-O anticorrelation and HB. I. The Na-O anticorrelation in NGC 2808

scientific article published in January 2006

Na-O anticorrelation and HB. III. The abundances of NGC 6441 from FLAMES-UVES spectra

scientific article published in January 2006

Na-O anticorrelation and HB. IX. Kinematics of the program clusters a link between systemic rotation and HB morphology?

scientific article published in January 2012

Na-O anticorrelation and HB. VII. The chemical composition of first and second-generation stars in 15 globular clusters from GIRAFFE spectra

scientific article

Na-O anticorrelation and horizontal branches. II. The Na-O anticorrelation in the globular cluster NGC 6752

scientific article published in January 2007

Na-O anticorrelation and horizontal branches. IV. Detection of He-rich and He-poor stellar populations in the globular cluster NGC 6218

scientific article published in Astronomy and Astrophysics

Na-O anticorrelation and horizontal branches. V. The Na-O anticorrelation in NGC 6441 from Giraffe spectra

scientific article

Na-O anticorrelation and horizontal branches. VI. The chemical composition of the peculiar bulge globular cluster NGC 6388

scholarly article

Non-interacting main-sequence binaries with different chemical compositions: Evidences of infall of rocky material?

scientific article published in January 2001

Notes on the convection in the ATLAS9 model atmospheres

scientific article published in January 1997

Observational evidence for a different initial mass function in the early galaxy

scientific article published in January 2005

On the existence of differences in luminosity between horizontal branch stars in globular clusters and in the field

scientific article published in January 2000

On the serendipitous discovery of a Li-rich giant in the globular cluster NGC 362

scientific article published in January 2015

Open Clusters as tracers of the Galactic disk: the Bologna Open Clusters Chemical Evolution project

Performance of the VLT Planet Finder SPHERE

scientific article published in Astronomy and Astrophysics

Performance of the VLT Planet Finder SPHERE

scholarly article

Performance tests on the SPHERE-IFS

Planet candidates from the SARG visual binary survey

Post-conjunction detection of β Pictoris b with VLT/SPHERE

scientific article

Precise reddening and metallicity of NGC 6752 from FLAMES spectra

scientific article published in January 2005

Properties of stellar generations in globular clusters and relations with global parameters

scientific article published in Astronomy and Astrophysics

Quick-MESS: A fast statistical tool for Exoplanet Imaging Surveys

scientific article published in June 2013

Rotation in Globular Cluster stars. Turn-off and subgiant stars in NGC 104, NGC 6397 and NGC 6752

scientific article published in January 2003

Rubidium abundances in the globular clusters NGC 6752, NGC 1904, and NGC 104 (47 Tuc)

scientific article published in January 2013

SARG: the high resolution spectrograph of TNG

scientific article published in January 2001

SHARK (System for coronagraphy with High order Adaptive optics from R to K band): a proposal for the LBT 2nd generation instrumentation

SPHERE RefPlanets: Search for epsilon Eridani b and warm dust

SPHERE view of the jet and the envelope of RY Tauri

scholarly article

SPHERE/SHINE reveals concentric rings in the debris disk of HIP 73145

scientific article published in Astronomy and Astrophysics

SPICES: spectro-polarimetric imaging and characterization of exoplanetary systems

scientific article

Search and investigation of extra-solar planets with polarimetry

Searching for Planets Around Stars in Wide Binaries

Searching for chemical signatures of multiple stellar populations in the old, massive open cluster NGC 6791

scholarly article

Searching for multiple stellar populations in the massive, old open cluster Berkeley 39

scientific article published in January 2012

Searching for the near-infrared counterpart of Proxima c using multi-epoch high-contrast SPHERE data at VLT

scientific article published in June 2020

Simulation of planet detection with the SPHERE integral field spectrograph

scientific article published in Astronomy and Astrophysics

Sodium-oxygen anticorrelation and neutron-capture elements in Omega Centauri stellar populations

scientific article published in the Astrophysical Journal

Spectroscopic analysis of the two subgiant branches of the globular cluster NGC 1851

scientific article published in Astronomy and Astrophysics

Spectroscopic hint of a cold stream in the direction of the globular cluster NGC 1851

scientific article published in January 2012

Spectroscopy and deep photometry of Pal 3 and C 0422-213

scientific article published in January 1989

Spectroscopy of RR Lyrae stars in Baade's Window and in omega Centauri

scientific article published in January 1986

Spectroscopy of red giants in the globular cluster Terzan 8: kinematics and evidence for the surrounding Sagittarius stream

scientific article published in January 2014

Sphere: complete laboratory performance and prediction for on-sky first light

scholarly article published 26 September 2013

Stability study of a constant-volume thin film flow

scientific article published on 09 October 2007

Stellar abundances and the chemical evolution of stellar systems: the Italian contribution

scientific article published in January 2007

Stellar companions and Jupiter-like planets in young associations

scholarly article

Stellar parameters of early-M dwarfs from ratios of spectral features at optical wavelengths

scientific article published in Astronomy and Astrophysics

Stellar photometry in the Phoenix dwarf galaxy

scientific article published in January 1988

Terzan 8 : a Sagittarius-flavoured globular cluster

scientific article

Tests of the CM model for turbulent convection. I. Application to M67

scholarly article

The (O/Fe) ratio in metal-poor late-type stars

scientific article published in January 1986

The Asiago Extrasolar Planet Transit Search

The EPICS project for the European Extremely Large Telescope: outcome of the Planet Finder concept study for OWL

The EPICS project: Exoplanets detection with OWL

The GAPS Programme with HARPS-N at TNG. III: The retrograde orbit of HAT-P-18b

scientific article

The GAPS Programme with HARPS-N at TNG. VIII. Observations of the Rossiter-McLaughlin effect and characterisation of the transiting planetary systems HAT-P-36 and WASP-11/HAT-P-10

scientific article

The GAPS Programme with HARPS-N at TNG. XIII. The orbital obliquity of three close-in massive planets hosted by dwarf K-type stars: WASP-43, HAT-P-20 and Qatar-2

scientific article

The GAPS programme with HARPS-N at TNG. I. Observations of the Rossiter-McLaughlin effect and characterisation of the transiting system Qatar-1

scientific article

The GAPS programme with HARPS-N at TNG. II. No giant planets around the metal-poor star HIP 11952

scientific article

The GAPS programme with HARPS-N at TNG. IV. A planetary system around XO-2S

scientific article published in Astronomy and Astrophysics

The GAPS programme with HARPS-N at TNG. IX. The multi-planet system KELT-6: Detection of the planet KELT-6 c and measurement of the Rossiter-McLaughlin effect for KELT-6 b

scientific article

The GAPS programme with HARPS-N at TNG. V. A comprehensive analysis of the XO-2 stellar and planetary systems

scientific article

The GAPS programme with HARPS-N at TNG. VI. The curious case of TrES-4b

scientific article

The GAPS programme with HARPS-N at TNG. VII. Putting exoplanets in the stellar context: magnetic activity and asteroseismology of τ Bootis A

scientific article

The GAPS programme with HARPS-N at TNG. X. Differential abundances in the XO-2 planet-hosting binary

scientific article

The GAPS programme with HARPS-N at TNG. XI. Pr 0211 in M 44: the first multi-planet system in an open cluster

scientific article

The GJ 504 system revisited

scientific article published in October 2018

The LEECH Exoplanet Imaging Survey. Further constraints on the planet architecture of the HR 8799 system

scientific article published in Astronomy and Astrophysics

The LEECH Exoplanet Imaging Survey. Further constraints on the planet architecture of the HR 8799 system(Corrigendum)

scientific article published in Astronomy and Astrophysics

The Metallicity of the Old Open Cluster NGC 6791

scientific article published in the Astrophysical Journal

The Multiplicity of the Subgiant Branch of ω Centauri: Evidence for Prolonged Star Formation

scientific article published in the Astrophysical Journal

The Na-O anticorrelation in horizontal branch stars

scientific article published in Astronomy and Astrophysics

The Na-O anticorrelation in horizontal branch stars

scientific article

The Na-O anticorrelation in horizontal branch stars

scholarly article

The Na-O anticorrelation in horizontal branch stars

The Na-O anticorrelation in horizontal branch stars(Corrigendum)

scientific article published in Astronomy and Astrophysics

The Na-O anticorrelation in horizontal branch stars. I. NGC 2808

scientific article published in January 2011

The O-Na and Mg-Al anticorrelations in turn-off and early subgiants in globular clusters

scientific article published in January 2001

The SARG Planet Search

The SARG Planet Search

The SARG exo-planets search

scientific article published in January 2004

The SPHERE infrared survey for exoplanets (SHINE). I. Sample definition and target characterization

scholarly article

The SPHERE infrared survey for exoplanets (SHINE). III. The demographics of young giant exoplanets below 300 au with SPHERE

scholarly article

The VLT/NaCo large program to probe the occurrence of exoplanets and brown dwarfs at wide orbits. II. Survey description, results, and performances

scientific article

The VLT/NaCo large program to probe the occurrence of exoplanets and brown dwarfs at wide orbits. IV. Gravitational instability rarely forms wide, giant planets

scientific article published in Astronomy and Astrophysics

The VLT/NaCo large program to probe the occurrence of exoplanets and brown dwarfs in wide orbits

scientific article published in Astronomy and Astrophysics

The binary frequency among carbon-enhanced, s-process-rich, metal-poor stars

scholarly article

The chemical abundance of the very metal-rich old open clusters NGC 6253 and NGC 6791

scientific article published in January 2007

The chemical composition of mu Leonis

scientific article published in January 1990

The chemical composition of nearby young associations: s-process element abundances in AB Doradus, carina-near and Ursa Major

scientific article

The complex H{alpha} profile of the bright companion to PSR J1740-5340 in NGC 6397

scientific article

The connection between missing AGB stars and extended horizontal branches

scientific article published in January 2010

The design of the MOONS-VLT spectrometer

The dwarf galaxies in Fornax and in Phoenix

scientific article published in January 1986

The extreme chemistry of multiple stellar populations in the metal-poor globular cluster NGC 4833

scientific article published in January 2014

The gravitational mass of Proxima Centauri measured with SPHERE from a microlensing event

scholarly article

The gray needle: large grains in the HD 15115 debris disk from LBT/PISCES/Ks and LBTI/LMIRcam/L' adaptive optics imaging

scientific article published in the Astrophysical Journal

The helium content of globular clusters: NGC 6121 (M4)

scientific article published in January 2012

The helium content of globular clusters: light element abundance correlations and HB morphology. I. NGC 6752

scientific article published in January 2009

The incidence of binaries in globular cluster stellar populations

scientific article published in January 2015

The interpretation of internal motions in planetary nebulae

scientific article published in January 1984

The link between chemical anomalies along the red giant branch and the horizontal branch extension in globular clusters

scientific article published in January 2007

The lithium content of the globular cluster NGC 6397

scientific article published in January 2002

The metal abundance distribution of the oldest stellar component in the Sculptor dwarf spheroidal galaxy

scholarly article

The metal abundance of metal-rich globular clusters. II

scientific article

The normal chemistry of multiple stellar populations in the dense globular cluster NGC 6093 (M 80)

scientific article published in January 2015

The second and third parameters of the horizontal branch in globular clusters

scientific article published in Astronomy and Astrophysics

Trends in copper and zinc abundances for disk and halo stars

scientific article

Two cold belts in the debris disk around the G-type star NZ Lupi

scholarly article

VLT observations of beryllium in a globular cluster: a clock for the early galaxy and new insights into globular cluster formation

scientific article published in January 2004

VLT/SPHERE astrometric confirmation and orbital analysis of the brown dwarf companion HR 2562 B

scientific article published in Astronomy and Astrophysics

Variations in the lithium abundances of turn off stars in the globular cluster 47 Tucanae

scientific article published in January 2007

X-shooter GTO observations and chemical tagging of two main-sequence stars in the globular cluster NGC 2808

scientific article

X-shooter observations of main-sequence stars in the globular cluster NGC 2808: first chemical tagging of a he-normal and a he-rich dwarf

scientific article