Publications (103)
The ultraviolet flare at the center of the elliptical galaxy NGC 4278
A. Cardullo, E. M. Corsini, A. Beifiori +5
A large fraction of otherwise normal galaxies shows a weak nuclear activity. One of the signatures of the low-luminosity active galactic nuclei (LLAGNs) is the ultraviolet variabil…
Space Telescope and Optical Reverberation Mapping Project. V. Optical Spectroscopic Campaign and Emission-Line Analysis for NGC 5548
L. Pei, M. M. Fausnaugh, A. J. Barth +153
We present the results of an optical spectroscopic monitoring program targeting NGC 5548 as part of a larger multi-wavelength reverberation mapping campaign. The campaign spanned s…
The dynamical state of bars in cluster dwarf galaxies: The cases of NGC 4483 and NGC 4516
V. Cuomo, L. Morelli, J. A. L. Aguerri +13
Dwarf barred galaxies are the perfect candidates for hosting slowly-rotating bars. They are common in dense environments and they have a relatively shallow potential well, making t…
A slow bar in the lenticular barred galaxy NGC 4277
C. Buttitta, E. M. Corsini, V. Cuomo +9
Aims: We characterised the properties of the bar hosted in lenticular galaxy NGC 4277, which is located behind the Virgo cluster. Methods: We measured the bar length and strength f…
Stellar populations in the bulges of isolated galaxies
L. Morelli, M. Parmiggiani, E. M. Corsini +4
We present photometry and long-slit spectroscopy for 12 S0 and spiral galaxies selected from the Catalogue of Isolated Galaxies. The structural parameters of the sample galaxies ar…
The Fornax 3D project: PNe populations and stellar metallicity in edge-on galaxies
P. M. Galán-de Anta, M. Sarzi, T. W. Spriggs +17
Context. Extragalactic Planetary Nebulae (PNe) are useful distance indicators and are often used to trace the dark-matter content in external galaxies. At the same time, PNe can al…
Measurement of light charged particles in the decay channels of medium-mass excited compound nuclei
S. Valdre', S. Barlini, G. Casini +41
The 48Ti on 40Ca reactions have been studied at 300 and 600 MeV focusing on the fusion-evaporation (FE) and fusion-fission (FF) exit channels. Energy spectra and multiplicities of…
Pushing the Boundaries of Conventional Core-Collapse Supernovae: The Extremely Energetic Supernova SN 2003ma
A. Rest, R. J. Foley, S. Gezari +34
We report the discovery of a supernova (SN) with the highest apparent energy output to date and conclude that it represents an extreme example of the Type IIn subclass. The SN, whi…
Polar bulges and polar nuclear discs: the case of NGC 4698
E. M. Corsini, J. Méndez-Abreu, N. Pastorello +5
The early-type spiral NGC 4698 is known to host a nuclear disc of gas and stars which is rotating perpendicularly with respect to the galaxy main disc. In addition, the bulge and m…
Study of the stellar population properties in the discs of ten spiral galaxies
L. Morelli, E. M. Corsini, A. Pizzella +3
We investigated the properties of the stellar populations in the discs of a sample of ten spiral galaxies. Our analysis focused on the galaxy region where the disc contributes more…
Nuclear stellar discs in low-luminosity elliptical galaxies: NGC 4458 and NGC 4478
L. Morelli, C. Halliday, E. M. Corsini +7
We present the detection of nuclear stellar discs in the low-luminosity elliptical galaxies NGC 4458 and NGC 4478, which are known to host a kinematically-decoupled core. Using arc…
Accurate classification of 29 objects detected in the 39 months Palermo Swift/BAT hard X-ray catalogue
P. Parisi, N. Masetti, E. Jiménez-Bailón +15
Through an optical campaign performed at 4 telescopes located in the northern and the southern hemispheres, plus archival data from two on-line sky surveys, we have obtained optica…
Infrared Telescope Facility (IRTF) spectral library II: New indices in Y, J, H, and L atmospheric windows
L. Morelli, V. D. Ivanov, A. Pizzella +6
Stellar population studies in the infrared (IR) wavelength range have two main advantages with respect to the optical regime: they probe different populations, because most of the…
Stellar metallicity from optical and UV spectral indices: Test case for WEAVE-StePS
F. R. Ditrani, M. Longhetti, F. La Barbera +35
The upcoming generation of optical spectrographs on four meter-class telescopes, with their huge multiplexing capabilities, excellent spectral resolution, and unprecedented wavelen…
GARFIELD + RCo Digital Upgrade: a Modern Set-up for Mass and Charge Identification of Heavy Ion Reaction Products
M. Bruno, F. Gramegna, T. Marchi +19
An upgraded GARFIELD + Ring Counter (RCo) apparatus is presented with improved performances as far as electronics and detectors are concerned. On one side fast sampling digital rea…
A catalogue of nuclear stellar velocity dispersions of nearby galaxies from H STIS spectra to constrain supermassive black hole masses
I. Pagotto, E. M. Corsini, M. Sarzi +4
We present new measurements for the nuclear stellar velocity dispersion within sub-arcsecond apertures for 28 nearby galaxies. Our data consist of Space Telescope Imagi…
The intrinsic shape of bulges in the CALIFA survey
L. Costantin, J. Méndez-Abreu, E. M. Corsini +5
The intrinsic shape of galactic bulges in nearby galaxies provides crucial information to separate bulge types. We intended to derive accurate constraints to the intrinsic shape of…
The VVV Templates Project. Towards an Automated Classification of VVV Light-Curves. I. Building a database of stellar variability in the near-infrared
R. Angeloni, R. Contreras Ramos, M. Catelan +50
Context. The Vista Variables in the VÃa Láctea (VVV) ESO Public Survey is a variability survey of the Milky Way bulge and an adjacent section of the disk carried out from 2010 on…
Identification of newly-discovered sources belonging to the 4th IBIS catalog and to the 54 months Palermo Swift/BAT catalog
P. Parisi, N. Masetti, A. F. Rojas +17
The most recent all-sky surveys performed with the INTEGRAL and SWIFT satellites allowed the detection of more than 1500 sources in hard X-rays above 20 keV. About one quarter of t…
WEAVE-StePS. A stellar population survey using WEAVE at WHT
A. Iovino, B. M. Poggianti, A. Mercurio +44
The upcoming new generation of optical spectrographs on four-meter-class telescopes will provide valuable opportunities for forthcoming galaxy surveys through their huge multiplexi…
Gas-phase metallicity of 27 galaxies at intermediate redshift
L. Morelli, V. Calvi, A. Cardullo +3
The purpose of this work is to make available new gas-phase oxygen abundance measurements for a serendipitous sample of 27 galaxies with redshift 0.35<z<0.52. We measured the equiv…
The Infrared Telescope Facility (IRTF) spectral library: spectral diagnostics for cool stars
Mary Cesetti, A. Pizzella, V. D. Ivanov +3
The near-infrared (NIR) wavelength range offers some unique spectral features, and it is less prone to the extinction than the optical one. Recently, the first flux calibrated NIR…
Near-Infrared spectral diagnostics for unresolved stellar population galaxies
M. Cesetti, V. D. Ivanov, L. Morelli
We want to develop spectral diagnostics of stellar populations in the near-infrared (NIR), for unresolved stellar populations. We created a semi-empirical population model and we c…
No evidence for small disk-like bulges in a sample of late-type spirals
L. Costantin, J. Méndez-Abreu, E. M. Corsini +4
About 20% of low-redshift galaxies are late-type spirals with a small or no bulge component. Although they are the simplest disk galaxies in terms of structure and dynamics, the ro…
Estimating Masses of Supermassive Black Holes in Active Galactic Nuclei from the Halpha Emission Line
E. Dalla BontÃ, B. M. Peterson, C. J. Grier +19
The goal of this project is to construct an estimator for the masses of supermassive black holes in active galactic nuclei (AGNs) based on the broad Halpha emission line. We make u…
The pseudobulge of NGC 1292
L. Morelli, E. Pompei, A. Pizzella +6
The photometric and kinematic properties of Sb NGC 1292 suggest it hosts a pseudobulge. The properties of the stellar population of such a pseudobulge are consistent with a slow bu…
Spectroscopic evidence of distinct stellar populations in the counter-rotating stellar disks of NGC 3593 and NGC 4550
L. Coccato, L. Morelli, A. Pizzella +3
We present the results of integral-field spectroscopic observations of the two disk galaxies NGC 3593 and NGC 4550 obtained with VIMOS/VLT. Both galaxies are known to host 2 counte…
Evidence of a fast bar in the weakly-interacting galaxy NGC 4264 with MUSE
V. Cuomo, E. M. Corsini, J. A. L. Aguerri +9
We present surface photometry and stellar kinematics of NGC 4264, a barred lenticular galaxy in the region of the Virgo Cluster undergoing a tidal interaction with one of its neigh…
Energy measurement and fragment identification using digital signals from partially depleted Si detectors
G. Pasquali, G. Pastore, N. Le Neindre +36
A study of identification properties of a Si-Si DE-E telescope exploiting an underdepleted residual-energy detector has been performed. Five different bias voltages have been used,…
Isospin transport in 84Kr+112,124Sn reactions at Fermi energies
S. Piantelli, G. Casini, A. Olmi +32
Isospin transport phenomena in dissipative heavy ion collisions have been investigated at Fermi energies with a beam of 84Kr at 35AMeV. A comparison of the <N>/Z of light and mediu…
BL Lacertae identifications in a ROSAT-selected sample of Fermi unidentified objects
N. Masetti, B. Sbarufatti, P. Parisi +15
The optical spectroscopic followup of 27 sources belonging to a sample of 30 high-energy objects selected by positionally cross correlating the first Fermi/LAT Catalog and the ROSA…
VVV DR1: The First Data Release of the Milky Way Bulge and Southern Plane from the Near-Infrared ESO Public Survey VISTA Variables in the Via Lactea
R. K. Saito, M. Hempel, D. Minniti +107
The ESO Public Survey VISTA Variables in the Via Lactea (VVV) started in 2010. VVV targets 562 sq. deg in the Galactic bulge and an adjacent plane region and is expected to run for…
Accurate classification of 17 AGNs detected with Swift/BAT
P. Parisi, N. Masetti, E. Jiménez-Bailón +16
Through an optical campaign performed at 5 telescopes located in the northern and the southern hemispheres, plus archival data from two on line sky surveys, we have obtained optica…
Testing for relics of past strong buckling events in edge-on galaxies: Simulation predictions and data from SG
V. Cuomo, V. P. Debattista, S. Racz +7
The short-lived buckling instability is responsible for the formation of at least some box/peanut (B/P) shaped bulges, which are observed in most massive, , barred galaxies. N…
Space Telescope and Optical Reverberation Mapping Project. IX. Velocity-Delay Maps for Broad Emission Lines in NGC 5548
Keith Horne, G. De Rosa, B. M. Peterson +155
We report velocity-delay maps for prominent broad emission lines, Ly_alpha, CIV, HeII and H_beta, in the spectrum of NGC5548. The emission-line responses inhabit the interior of a…
A Census of Nuclear Stellar Disks in Early-type Galaxies
H. R. Ledo, M. Sarzi, M. Dotti +2
Nuclear Stellar Disks (NSDs), of a few tens to hundreds of parsec across, are a common and yet poorly studied feature of early-type galaxies. Still, such small disks represent a po…
Dynamical fission of the quasiprojectile and isospin equilibration for the system 80Kr+ 48 Ca at 35 MeV/nucleon
S. Piantelli, G. Casini, A. Ono +44
Experimental results concerning the dynamical fission of quasiprojectiles in semiperipheral collisions for the system 80 Kr+ 48 Ca at 35 MeV/nucleon are presented. Data have been c…
VISTA Variables in the Via Lactea (VVV): The public ESO near-IR variability survey of the Milky Way
D. Minniti, P. W. Lucas, J. P. Emerson +63
We describe the public ESO near-IR variability survey (VVV) scanning the Milky Way bulge and an adjacent section of the mid-plane where star formation activity is high. The survey…
The properties of the kinematically distinct components in NGC 448 and NGC 4365
B. Nedelchev, L. Coccato, E. M. Corsini +6
Aims. We study the kinematically distinct components in two early-type galaxies NGC 448 and NGC 4365 aided by integral-field observations with the Multi Unit Spectroscopic Explorer…
Near Infrared spectroscopic indices for unresolved stellar populations. I. Template galaxy spectra
P. Francois, L. Morelli, A. Pizzella +5
A new generation of spectral synthesis models has been developed in the recent years, but there is no matching -- in terms of quality and resolution -- set of template galaxy spect…
Searching for nuclear stellar discs in simulations of star cluster mergers
E. Portaluri, E. M. Corsini, L. Morelli +4
The nuclei of galaxies often host small stellar discs with scale-lengths of a few tens of parsecs and luminosities up to 10^7 Lsun. To investigate the formation and properties of n…
Detectability of large-scale counter-rotating stellar disks in galaxies with integral-field spectroscopy
M. Rubino, A. Pizzella, L. Morelli +5
In recent years integral-field spectroscopic surveys have revealed that the presence of kinematically decoupled stellar components is not a rare phenomenon in nearby galaxies. Howe…
Unveiling the nature of INTEGRAL objects through optical spectroscopy. IX. 22 more identifications, and a glance into the far hard X-ray Universe
N. Masetti, P. Parisi, E. Jimenez-Bailon +14
(Abridged) Since its launch in October 2002, the INTEGRAL satellite has revolutionized our knowledge of the hard X-ray sky thanks to its unprecedented imaging capabilities and sour…
Bulgeless Evolution And the Rise of Discs (BEARD) I. Physical drivers of the mass-size relation for Milky Way-like galaxies
C. Marrero-de la Rosa, J. Méndez-Abreu, A. de Lorenzo-Cáceres +20
In the standard cold dark matter (CDM) cosmology, the existence of massive pure-disc galaxies remains challenging within the hierarchical framework and is key to understan…
Space Telescope and Optical Reverberation Mapping Project. VIII. Time Variability of Emission and Absorption in NGC 5548 Based on Modeling the Ultraviolet Spectrum
G. A. Kriss, G. De Rosa, J. Ely +164
We model the ultraviolet spectra of the Seyfert 1 galaxy NGC~5548 obtained with the Hubble Space Telescope during the 6-month reverberation-mapping campaign in 2014. Our model of t…
Experimental study of precisely selected evaporation chains in the decay of excited Mg
A. Camaiani, G. Casini, L. Morelli +22
The reaction C + C at 95 MeV bombarding energy is studied using the GARFIELD + Ring Counter apparatus located at the INFN Laboratori Nazionali di Legnaro. In this pap…
Non-linearity effects on the light-output calibration of light charged particles in CsI(Tl) scintillator crystals
D. Dell'Aquila, S. Sweany, K. W. Brown +24
The light output produced by light ions (Z<=4) in CsI(Tl) crystals is studied over a wide range of detected energies (E<=300 MeV). Energy-light calibration data sets are obtained w…
Kinematic and stellar population properties of the counter-rotating components in the S0 galaxy NGC 1366
L. Morelli, A. Pizzella, L. Coccato +7
Context. Many disk galaxies host two extended stellar components that rotate in opposite directions. The analysis of the stellar populations of the counter-rotating components prov…
Fossil group origins IX. Probing the formation of fossil galaxy groups with stellar population gradients of their central galaxies
E. M. Corsini, L. Morelli, S. Zarattini +7
Fossil groups (FGs) are galaxy aggregates with an extended and luminous X-ray halo, which are dominated by a very massive early-type galaxy and lack of L* objects. FGs are indeed c…
A few StePS forward in unveiling the complexity of galaxy evolution: light-weighted stellar ages of intermediate redshift galaxies with WEAVE
L. Costantin, A. Iovino, S. Zibetti +29
The upcoming new generation of optical spectrographs on four-meter-class telescopes will provide invaluable information for reconstructing the history of star formation in individu…
Unveiling the nature of INTEGRAL objects through optical spectroscopy. V. Identification and properties of 21 southern hard X-ray sources
N. Masetti, L. Morelli, E. Palazzi +13
Optical spectroscopic identification of the nature of 21 unidentified southern hard X-ray objects is reported here in the framework of our campaign aimed at determining the nature…
On the observational diagnostics to separate classical and disk-like bulges
L. Costantin, E. M. Corsini, J. Méndez-Abreu +3
Flattened bulges with disk-like properties are considered to be the end product of secular evolution processes at work in the inner regions of galaxies. On the contrary, classical…
The Fornax3D project: Planetary nebulae catalogue and independent distance measurements to Fornax cluster galaxies
T. W. Spriggs, M. Sarz, P. M. Galán-de Anta +17
Extragalactic planetary nebulae (PNe) offer a way to determine the distance to their host galaxies thanks to the nearly universal shape of the planetary nebulae luminosity function…
The Fornax 3D project: unveiling the thick disk origin in FCC 170: signs of accretion?
F. Pinna, J. Falcón-Barroso, M. Martig +13
We present and discuss the stellar kinematics and populations of the S0 galaxy FCC 170 (NGC 1381) in the Fornax cluster, using deep MUSE data from the Fornax 3D survey. We show the…
Charged particle decay of hot and rotating Mo nuclei in fusion-evaporation reactions
S. Valdré, S. Piantelli, G. Casini +48
A study of fusion-evaporation and (partly) fusion-fission channels for the Mo compound nucleus, produced at different excitation energies in the reaction Ti + …
Unveiling the nature of INTEGRAL objects through optical spectroscopy. VII. Identification of 20 Galactic and extragalactic hard X-ray sources
N. Masetti, P. Parisi, E. Palazzi +17
Within the framework of our program of assessment of the nature of unidentified or poorly known INTEGRAL sources, we present here spectroscopy of optical objects, selected through…
The nature of 19 X-ray sources detected with INTEGRAL
N. Masetti, P. Parisi, E. Jimenez-Bailon +14
Since its launch on October 2002, the INTEGRAL satellite has revolutionized our knowledge of the hard X-ray sky thanks to its unprecedented imaging capabilities and source detectio…
The european FAZIA initiative: a high-performance digital telescope array for heavy-ion studies
G. Casini, S. Barlini, G. Pasquali +36
The european Fazia collaboration aims at building a new modular array for charged product identification to be employed for heavy-ion studies. The elementary module of the array is…
Persistence of odd-even staggering in charged fragment yields from the 112Sn+58Ni collision at 35 MeV/nucleon
G. Casini, S. Piantelli, P. R. Maurenzig +33
Odd-even staggering effects on charge distributions are investigated for fragments produced in semiperipheral and central collisions of 112Sn+58Ni at 35 MeV/nucleon. For fragments…
Nuclear Stellar Disks in Spiral Galaxies
A. Pizzella, E. M. Corsini, L. Morelli +4
We report evidence for nuclear stellar disks in 3 early-type spirals, namely NGC 1425, NGC 3898 and NGC 4698, revealed by WFPC2/F606W images out of a sample of 38 spiral galaxies,…
From simulations to observations. Methodology and data release of mock TNG50 galaxies at 0.3 < z < 0.7 for WEAVE-StePS
A. Ikhsanova, L. Costantin, A. Pizzella +17
The new generation of optical spectrographs (i.e., WEAVE, 4MOST, DESI, and WST) offer unprecedented opportunities for statistically studying the star formation histories of galaxie…
A slow lopsided bar in the interacting dwarf galaxy IC 3167
V. Cuomo, E. M. Corsini, L. Morelli +6
We present surface photometry and stellar kinematics of IC 3167, a dwarf galaxy hosting a lopsided weak bar and infalling into the Virgo cluster. We measured the bar radius and str…
Early-type galaxies in the near-infrared: 1.5-2.4\mum spectroscopy
M. Cesetti, V. D. Ivanov, L. Morelli +6
Near-infrared (hereafter NIR) data may provide complementary information to the traditional optical population synthesis analysis of unresolved stellar populations because the spec…
Impact of the in-medium cross section on cluster spectra in collisions at and
C. K. Tam, Z. Chajecki, R. S. Wang +35
Although significant efforts have been made to investigate the density dependence of the nuclear symmetry energy, the influence of the in-medium cross section on particle productio…
Unveiling the nature of INTEGRAL objects through optical spectroscopy. VIII. Identification of 44 newly detected hard X-ray sources
N. Masetti, P. Parisi, E. Palazzi +17
(abridged) Hard X-ray surveys performed by the INTEGRAL satellite have discovered a conspicuous fraction (up to 30%) of unidentified objects among the detected sources. Here we con…
Structure and dynamics of galaxies with a low surface brightness disc. I. The stellar and ionised-gas kinematics
A. Pizzella, E. M. Corsini, M. Sarzi +5
(abridged) Photometry and long-slit spectroscopy are presented for a sample of 6 galaxies with a low surface brightness stellar disc and a bulge. The stellar and ionised-gas kinema…
Revealing the nature of new unidentified INTEGRAL sources
N. Masetti, P. Parisi, E. Palazzi +17
Since its launch on October 2002, the INTEGRAL satellite has revolutionized our knowledge of the hard X-ray sky thanks to its unprecedented imaging capabilities and source detectio…
The young nuclear stellar disc in the SB0 galaxy NGC 1023
E. M. Corsini, L. Morelli, N. Pastorello +3
Small kinematically-decoupled stellar discs with scalelengths of a few tens of parsec are known to reside in the centre of galaxies. Different mechanisms have been proposed to expl…
Retrieval of the physical parameters of galaxies from WEAVE-StePS-like data using machine learning
J. Angthopo, B. R. Granett, F. La Barbera +46
The WHT Enhanced Area Velocity Explorer (WEAVE) is a new, massively multiplexing spectrograph. This new instrument will be exploited to obtain high S/N spectra of 25000 galax…
Non-statistical decay and -correlations in the C+C fusion-evaporation reaction at 95 MeV
L. Morelli, G. Baiocco, M. D'Agostino +18
Multiple alpha coincidence and correlations are studied in the reaction C+C at 95 MeV for fusion-evaporation events completely detected in charge. Two specific channe…
SN2011hs: a Fast and Faint Type IIb Supernova from a Supergiant Progenitor
F. Bufano, G. Pignata, M. Bersten +33
Observations spanning a large wavelength range, from X-ray to radio, of the Type IIb supernova 2011hs are presented, covering its evolution during the first year after explosion. T…
Stringent limits on the masses of the supermassive black holes in seven nearby galaxies
I. Pagotto, E. M. Corsini, E. Dalla Bontà +6
We present new stringent limits on the mass of the central supermassive black hole for a sample of 7 nearby galaxies. Our estimates are based on the dynamical mod…
Structure and dynamics of galaxies with a low surface-brightness disc - II. Stellar populations of bulges
L. Morelli, E. M. Corsini, A. Pizzella +4
The radial profiles of the Hb, Mg, and Fe line-strength indices are presented for a sample of eight spiral galaxies with a low surface-brightness stellar disc and a bulge. The corr…
Stellar Populations of Bulges in 14 Cluster Disc Galaxies
L. Morelli, E. Pompei, A. Pizzella +6
Photometry and long-slit spectroscopy are presented for 14 S0 and spiral galaxies of the Fornax, Eridanus and Pegasus cluster, and NGC 7582 group. The structural parameters of the…
Searching for AGNs among unidentified INTEGRAL sources
E. Maiorano, R. Landi, J. B. Stephen +13
We report on a new method to identify Active Galactic Nuclei (AGN) among unidentified INTEGRAL sources. This method consists of cross-correlating unidentified sources listed in the…
Unveiling the nature of INTEGRAL objects through optical spectroscopy. X. A new multi-year, multi-observatory campaign
N. Masetti, P. Parisi, E. Palazzi +18
Within the framework of our program (running since 2004) of identification of hard X-ray INTEGRAL sources through optical spectroscopy, we present the results concerning the nature…
Stellar populations of the bulges of four spiral galaxies
L. Morelli, A. Pizzella, E. M. Corsini +4
Key information to understand the formation and evolution of disk galaxies are imprinted in the stellar populations of their bulges. This paper has the purpose to make available ne…
Accurate classification of 28 objects detected in the 39 months Palermo Swift/BAT hard X-ray catalogue
P. Parisi, N. Masetti, E. Jiménez-Bailón +12
Through an optical campaign performed at 4 telescopes located in the northern and the southern hemispheres, plus archival data from two on-line sky surveys, we have obtained optica…
The counter-rotating stellar core of NGC 4494
L. Coccato, L. Morelli, A. Pizzella +2
Context. Kinematically decoupled cores (KDCs) are often found in the centers of early-type galaxies. Aims. We aim to investigate the kinematics, structure, and stellar populations…
The FAZIA setup: a review on the electronics and the mechanical mounting
S. Valdré, G. Casini, N. Le Neindre +78
In this paper the technological aspects of the FAZIA array will be explored. After a productive commissioning phase, FAZIA blocks started to measure and give very useful data to ex…
N and Z odd-even staggering in Kr + Sn collisions at Fermi energies
S. Piantelli, G. Casini, P. R. Maurenzig +33
The odd-even staggering of the yield of final reaction products has been studied as a function of proton (Z) and neutron (N) numbers for the collisions 84 Kr+112 Sn and 84 Kr+124 S…
Dissecting Kinematics and Stellar Populations of Counter-Rotating Galaxies with 2-Dimensional Spectroscopy
L. Coccato, L. Morelli, A. Pizzella +3
We present a spectral decomposition technique and its applications to a sample of galaxies hosting large-scale counter-rotating stellar disks. Our spectral decomposition technique…
α-clustering effects in dissipative 12C+12C reactions at 95 MeV
G. Baiocco, L. Morelli, F. Gulminelli +15
Dissipative 12C+12C reactions at 95 MeV are fully detected in charge with the GARFIELD and RCo apparatuses at LNL. A comparison to a dedicated Hauser-Feshbach calculation allows to…
The nature of fifty Palermo Swift-BAT hard X-ray objects through optical spectroscopy
A. F. Rojas, N. Masetti, D. Minniti +16
We present the nature of 50 hard X-ray emitting objects unveiled through an optical spectroscopy campaign performed at seven telescopes in the northern and southern hemispheres. Th…
Stellar population properties for a sample of hard X-ray AGNs
L. Morelli, V. Calvi, N. Masetti +5
The aim of this paper is to study the stellar population of galaxies hosting an active galactic nucleus (AGN). We studied a sub-sample of hard X-ray emitting AGNs from the INTEGRAL…
The Fornax3D project: The assembly history of massive early-type galaxies in the Fornax cluster from deep imaging and integral field spectroscopy
M. Spavone, E. Iodice, G. D'Ago +16
This work is based on high quality integral-field spectroscopic data obtained with the Multi Unit Spectroscopic Explorer (MUSE) on the Very Large Telescope (VLT). The 21 brightest…
The AGN nature of 11 out of 12 Swift/RXTE unidentified sources through optical and X-ray spectroscopy
R. Landi, N. Masetti, L. Morelli +9
The Swift Burst Alert Telescope (BAT) is performing a high Galactic latitude survey in the 14-195 keV band at a flux limit of ~10^{-11} erg cm^{-2} s^{-1}, leading to the discovery…
Unveiling the nature of INTEGRAL objects through optical spectroscopy. VI. A multi-observatory identification campaign
N. Masetti, E. Mason, L. Morelli +18
Using 8 telescopes in the northern and southern hemispheres, plus archival data from two on-line sky surveys, we performed a systematic optical spectroscopic study of 39 putative c…
Accurate classification of 75 counterparts of objects detected in the 54 month Palermo Swift/BAT hard X-ray catalogue
P. Parisi, N. Masetti, A. F. Rojas +10
Through an optical campaign performed at 4 telescopes located in the northern and the southern hemispheres, we have obtained optical spectroscopy for 75 counterparts of unclassifie…
Near-infrared spectroscopic indices for unresolved stellar populations. II. Index measurements
D. Gasparri, L. Morelli, V. D. Ivanov +7
We measured the equivalent width of a large set of near-infrared (NIR, 0.8--2.4m) line-strength indices in the XShooter medium-resolution spectra of the central regions of 1…
A Color-Excess Extinction map of the Southern Galactic disk from the VVV and GLIMPSE Surveys
M. Soto, R. Barbá, D. Minniti +24
An improved high-resolution and deep A foreground dust extinction map is presented for the Galactic disk area within , $-1.0^{\c…
Constraining the luminosity function of faint undetected i-dropout galaxies
V. Calvi, A. Pizzella, M. Stiavelli +5
We present a new technique to quantify the light contribution coming from the faint high redshift () galaxies below the detection threshold of imaging data, set conventiona…
Space Telescope and Optical Reverberation Mapping Project. XII. Broad-Line Region Modeling of NGC 5548
P. R. Williams, A. Pancoast, T. Treu +155
We present geometric and dynamical modeling of the broad line region for the multi-wavelength reverberation mapping campaign focused on NGC 5548 in 2014. The dataset includes photo…
Multiband photometric decomposition of nuclear stellar disks
L. Morelli, M. Cesetti, E. M. Corsini +4
Small and bright stellar disks with scale lengths of few tens of parsec are known to reside in the center of galaxies. They are believed to have formed in a dissipational process a…
Space Telescope and Optical Reverberation Mapping Project. VII. Understanding the UV anomaly in NGC 5548 with X-Ray Spectroscopy
S. Mathur, A. Gupta, K. Page +147
During the Space Telescope and Optical Reverberation Mapping Project (STORM) observations of NGC 5548, the continuum and emission-line variability became de-correlated during the s…
Isospin transport in 84Kr + 112,124Sn collisions at Fermi energies
S. Barlini, S. Piantelli, G. Casini +32
Isotopically resolved fragments with Z<=20 have been studied with high resolution telescopes in a test run for the FAZIA collaboration. The fragments were produced by the collision…
High Amplitude δ-Scutis in the Large Magellanic Cloud
A. Garg, K. H. Cook, S. Nikolaev +13
We present 2323 High-Amplitude δ-Scuti (HADS) candidates discovered in the Large Magellanic Cloud (LMC) by the SuperMACHO survey (Rest et al. 2005). Frequency analyses of these ca…
The bar rotation rate as a diagnostic of dark matter content in the centre of disc galaxies
C. Buttitta, E. M. Corsini, J. A. L. Aguerri +6
We investigate the link between the bar rotation rate and dark matter content in barred galaxies by concentrating on the cases of the lenticular galaxies NGC4264 and NGC4277. These…
Minor-axis velocity gradients in disk galaxies
L. Coccato, E. M. Corsini, A. Pizzella +3
We present the ionized-gas kinematics and photometry of a sample of 4 spiral galaxies which are characterized by a zero-velocity plateau along the major axis and a velocity gradien…
Spectral Identification of an Ancient Supernova using Light Echoes in the LMC
A. Rest, T. Matheson, S. Blondin +26
We report the successful identification of the type of the supernova responsible for the supernova remnant SNR 0509-675 in the Large Magellanic Cloud (LMC) using Gemini spectra of…