Universality of galactic surface densities within one dark halo scale-length (2009)
Gentile, Gianfranco, Famaey, Benoit, Zhao, HongSheng, Salucci, Paolo
It was recently discovered that the mean dark matter surface density within one dark halo scale length - the radius within which the volume density profile of dark matter remains approximately flat -...
Portinari, Laura, Salucci, Paolo
The colour and metallicity gradients observed in spiral galaxies suggest that the mass-to-light ratio (M*/L) of the stellar disc is a function of radius. This is indeed predicted by chemo-photometric...
The mass distribution in Spirals (2009)
Salucci, Paolo, Martins, Christiane Frigerio
In the past years a wealth of observations has unraveled the structural properties of the Dark and Luminous mass distribution in spirals. These have pointed out to an intriguing scenario not easily...
Salucci, Paolo, Borgani, Stefano, Frenk, Carlos, Moscardini, Lauro, Viel, Matteo
In the study of the process of cosmic structure formation numerical simulations are crucial tools to interface observational data to theoretical models and to investigate issues otherwise unexplored....
The disc mass of spiral galaxies (2008)
Salucci, Paolo, Yegorova, Irina A., Drory, Niv
We derive the disk masses of 18 spiral galaxies of different luminosity and Hubble Type, both by mass modelling their rotation curves and by fitting their SED with spectro-photometric models. The...
The mass distribution in Spiral galaxies (2008)
In the past years a wealth of observations has allowed us to unravel the structural properties of the Dark and Luminous mass distribution in spirals. As result, it has been found that their rotation...
The baryonic and dark matter properties of high-redshift gravitationally lensed disc galaxies (2007)
Salucci, Paolo, Swinbank, A.M., Lapi, Andrea, Yegorova, Irina A., Bower, Richard G., Smail, Ian, ...
We present a detailed study of the structural properties of four gravitationally lensed disk galaxies at z=1. Modelling the rotation curves on sub-kpc scales we derive the values for the disk mass,...
Comment on "Scalar-tensor gravity coupled to a global monopole and flat rotation curves" (2007)
Salucci, Paolo, Gentile, Gianfranco
The recent paper by Lee and Lee [Phys. Rev. D 69, 127502 (2004)] may strongly leave the impression that astronomers have established that the rotation curves of spiral galaxies are flat. We show that...
The Distribution of Dark Matter in Spirals (2007)
In the past years a wealth of observations allowed to unravel the structural properties of the Dark Matter Halos around spirals. First, their rotation curves follow an Universal profile (URC) that...
Angular Momentum Transfer in Dark Matter Halos: Erasing the Cusp (2007)
Tonini, Chiara, Lapi, Andrea, Salucci, Paolo
We propose that angular momentum transfer from the baryons to the Dark Matter (DM) during the early stages of galaxy formation can flatten the halo inner density profile and modify the halo dynamics....
Measuring the Spin of Spiral Galaxies (2007)
Tonini, Chiara, Lapi, Andrea, Shankar, Francesco, Salucci, Paolo
We compute the angular momentum, the spin parameter and the related distribution function for Dark Matter halos hosting a spiral galaxy. We base on scaling laws, inferred from observations, that link...
Shankar, Francesco, Lapi, Andrea, Salucci, Paolo, De Zotti, Gianfranco, Danese, Luigi
We present new relationships between halo masses M_h and several galaxy properties, including r*-band luminosities L_r, stellar (M_star) and baryonic masses, stellar velocity dispersions (sigma), and...
Analysis of Rotation Curves in the framework of R^n gravity (2007)
Frigerio Martins, Christiane, Salucci, Paolo
We present an analysis of a devised sample of Rotation Curves (RCs), aimed at checking the consequences of a modified f(R) gravity on galactic scales. Originally motivated by the the dark energy...
The radial profiles of the different mass components in galaxy clusters (2007)
Biviano, Andrea, Salucci, Paolo
AIMS. To derive the mass profiles of the different luminous and dark components in clusters. METHODS. The cluster mass profile is determined by using the Jeans equation applied to the projected...
Analysis of Rotation Curves in the Framework of the Gravitational Suppression Model (2007)
Frigerio Martins, Christiane, Salucci, Paolo
We present an analysis of suitable Rotation Curves (RC's) of eight galaxies, aimed at checking the consistency and universality of the Gravitational Suppression (GraS) hypothesis, a phenomenological...
NGC 3741: the dark halo profile from the most extended rotation curve (2007)
Gentile, Gianfranco, Salucci, Paolo, Klein, Uli, Granato, Gian Luigi
We present new HI observations of the nearby dwarf galaxy NGC 3741. This galaxy has an extremely extended HI disk, which allows us to trace the rotation curve out to unprecedented distances in terms...
Salucci, Paolo, Lapi, Andrea, Tonini, Chiara, Gentile, Gianfranco, Yegorova, Irina A., Klein, Uli
In the current LambdaCDM cosmological scenario, N-body simulations provide us with a Universal mass profile, and consequently a Universal equilibrium circular velocity of the virialized objects, as...
Testing modified Newtonian dynamic with Local Group spiral galaxies (2007)
Corbelli, Edvige, Salucci, Paolo
The rotation curves and the relative mass distributions of the two nearby Local Group spiral galaxies, M31 and M33, show discrepancies with Modified Newtonian dynamic (MOND) predictions. In M33 the...
LambdaCDM halo density profiles: where do actual halos converge to NFW ones? (2007)
Gentile, Gianfranco, Tonini, Chiara, Salucci, Paolo
Aims. We present an analysis of 37 high-quality extended rotation curves that highlights the existence of a new discrepancy (or a new aspect of an old discrepancy) between the density profiles...
The radial Tully-Fisher relation for spiral galaxies I (2007)
Yegorova, Irina A., Salucci, Paolo
We find a new Tully-Fisher-like relation for spiral galaxies holding at different galactocentric radii. This Radial Tully-Fisher (RTF) relation allows us to investigate the distribution of matter in...
The Disk Mass of Spiral Galaxies (2007)
Salucci, Paolo, Yegorova, Irina A., Drory, Niv
We derive the disk masses of 18 spiral galaxies of different luminosity and Hubble Type, both by mass modelling their rotation curves and by fitting their SED with spectro-photometric models. The...
The mass distribution in Spiral galaxies (2007)
In the past years a wealth of observations has allowed us to unravel the structural properties of the Dark and Luminous mass distribution in spirals. As result, it has been found that their rotation...
Analysis of Rotation Curves in the framework of R^n gravity (2007)
Martins, Christiane Frigerio, Salucci, Paolo
We present an analysis of a devised sample of Rotation Curves (RCs), aimed at checking the consequences of a modified f(R) gravity on galactic scales. Originally motivated by the the dark energy...
LambdaCDM Halo Density Profiles: where do actual halos converge to NFW ones? (2007)
Gentile, Gianfranco, Tonini, Chiara, Salucci, Paolo
Aims. We present an analysis of 37 high-quality extended rotation curves that highlights the existence of a new discrepancy (or a new aspect of an old discrepancy) between the density profiles...
The Radial Tully-Fisher relation for spiral galaxies I (2006)
Yegorova, Irina A., Salucci, Paolo
We find a new Tully-Fisher-like relation for spiral galaxies holding at different galactocentric radii. This Radial Tully-Fisher (RTF) relation allows us to investigate the distribution of matter in...
Analysis of Rotation Curves in the Framework of the Gravitational Suppression Model (2006)
Martins, Christiane Frigerio, Salucci, Paolo
We present an analysis of suitable rotation curves (RCs) of eight galaxies, aimed at checking the consistency and universality of the gravitational suppression (GraS) hypothesis, a phenomenological...
Testing MOND with Local Group spiral galaxies (2006)
Corbelli, Edvige, Salucci, Paolo
The rotation curves and the relative mass distributions of the two nearby Local Group spiral galaxies, M31 and M33, show discrepancies with Modified Newtonian dynamic (MOND) predictions. In M33 the...
Angular Momentum Transfer in Dark Matter Halos: Erasing the Cusp (2006)
Tonini, Chiara, Lapi, Andrea, Salucci, Paolo
We propose that angular momentum transfer from the baryons to the Dark Matter (DM) during the early stages of galaxy formation can flatten the halo inner density profile and modify the halo dynamics....
A physical model for co-evolution of QSOs and of their spheroidal hosts (2006)
De Zotti, Gianfranco, Shankar, Francesco, Lapi, Andrea, Granato, Gian Luigi, Silva, Laura, Cirasuolo, Michele, ...
At variance with most semi-analytic models, in the Anti-hierarchical Baryon Collapse scenario (Granato et al. 2001, 2004) the main driver of the galaxy formation and evolution is not the merging...
Measuring the Spin of Spiral Galaxies (2005)
Tonini, Chiara, Lapi, Andrea, Shankar, Francesco, Salucci, Paolo
We compute the angular momentum, the spin parameter and the related distribution function for Dark Matter halos hosting a spiral galaxy. We base on scaling laws, inferred from observations, that link...
The Distribution of Dark Matter in Spirals (2005)
In the past years a wealth of observations allowed to unravel the structural properties of the Dark Matter Halos around spirals. First, their rotation curves follow an Universal profile (URC) that...
Super-massive Black Holes: the missing link in galaxy evolution (2005)
Danese, Luigi, Salucci, Paolo, Shankar, Francesco
The aim of this thesis is to investigate the key points concerning the evolution of the local Super-massive Black Hole (SMBH) population and to understand the origin of the links the SMBH have with...
Fine-tuning in the rotation curves of spirals and the uniqueness of their mass modelling (2004)
Tonini, Chiara, Salucci, Paolo
We construct a generic mass model of a disk galaxy by combining the usual two mass components, an exponential thin stellar disk and a dark halo for which we alternatively assume one of the two most...
The Distribution of Dark Matter in Galaxies: the Core Radius Issue (2003)
I review the up-to-date status on the properties of the Dark Matter density distribution around Galaxies. The rotation curves of spirals all conform to a same Universal profile which can be uniquely...
The line-of-sight warp of the spiral galaxy ESO 123-G23 (2003)
Gentile, Gianfranco, Fraternali, F., Klein, Uli, Salucci, Paolo
We present 3-D modelling of the distribution and kinematics of the neutral hydrogen in the spiral galaxy ESO 123-G23. The optical appearance of this galaxy is an almost perfectly edge-on disk, while...
The Fundamental Plane of Ellipticals: I. The Dark Matter Connection (2002)
Borriello, Annamaria, Salucci, Paolo, Danese, Luigi
We show that the small scatter around the Fundamental Plane (FP) of massive elliptical galaxies can be used to derive important properties of their dark and luminous matter. The central velocity...
Salucci, Paolo, Borriello, Annamaria
In this paper we review the main and the most recent evidence for the presence of a core radius in the distribution of the dark matter around spiral galaxies. Their rotation curves, coadded according...
Galaxy formation: highlights from galactic scales (2000)
Carraro, Giovanni, Salucci, Paolo, Lia, Cesario
2000
The masses of black holes in the nuclei of spirals (2000)
Salucci, Paolo, Ratnam, Charu, Monaco, Pierluigi, Danese, Luigi
We use the innermost kinematics of spirals to investigate whether these galaxies could host the massive black hole remnants that once powered the quasi-stellar object (QSO) phenomenon. Hundreds of...
The mass distribution in the innermost regions of Spiral Galaxies (2000)
We use high-spatial resolution ($\sim 100 pc$) rotation curves of 83 spiral galaxies to investigate the mass distribution of their innermost kpc. We show that, {\it in this region}, the luminous...
The constant density region of the dark halos of spiral galaxies (2000)
From the kinematics of 137 spirals we find that the DM halo density profiles are self-similar at least out to R_opt and show core radii much larger that the corresponding disk scale-lenghts. The...
The Dark and Luminous Matter coupling in the formation of spheroids: a SPH investigation (2000)
Lia, Cesario, Carraro, Giovanni, Salucci, Paolo
Using N-body/hydrodynamical simulations which include prescriptions for Star Formation, Feed-Back and Chemical Evolution, we explore the interaction between baryons and Dark Matter at galactic scale....
Dark Matter Scaling Relations (2000)
Salucci, Paolo, Burkert, Andreas
We establish the presence of a dark matter core radius, for the first time in a very large number of spiral galaxies of all luminosities. Contrary to common opinion we find that the sizes of these...
The masses of black holes in the nuclei of spirals (2000)
Salucci, Paolo, Ratnam, Charu, Monaco, Pierluigi, Danese, Luigi
We use the innermost kinematics of spirals to investigate whether these galaxies could host the massive black hole remnants that once powered the quasi-stellar object (QSO) phenomenon. Hundreds of...
The mass distribution in the innermost regions of spiral galaxies (2000)
We use high-spatial resolution ($\sim 100 pc$) rotation curves of 83 spiral galaxies to investigate the mass distribution of their innermost kpc. We show that, {\it in this region}, the luminous...
The dark and luminous matter coupling in the formation of spheroids: a SPH investigation (2000)
Lia, Cesario, Carraro, Giovanni, Salucci, Paolo
Using N-body/hydrodynamical simulations which include prescriptions for Star Formation, Feed-Back and Chemical Evolution, we explore the interaction between baryons and Dark Matter at galactic scale....
The Extended Rotation Curve and the Dark Matter Halo of M33 (1999)
Corbelli, Edvige, Salucci, Paolo
We present the 21-cm rotation curve of the nearby galaxy M33 out to a galactocentric distance of 16 kpc (13 disk scale-lengths). The rotation curve keeps rising out to the last measured point and...
Joint Cosmological Formation of QSOs and Bulge-dominated Galaxies (1999)
Monaco, Pierluigi, Salucci, Paolo, Danese, Luigi
Older and more recent pieces of observational evidence suggest a strong connection between QSOs and galaxies; in particular, the recently discovered correlation between black hole and galactic bulge...
Diffuse thermal emission from very hot gas in starburst galaxies (1999)
Cappi, Massimo, Persic, Massimo, Salucci, Paolo, Et Al
BeppoSAX observations of the nearby archetypical starburst galaxies NGC253 and M82 are presented. Spectral analysis shows that the 2-10 keV spectra of both galaxies, extracted from the central 4'...
Dark matter in early-type spiral galaxies: the case of NGC 2179 and of NGC 2775 (1999)
Corsini, Enrico Maria, Pizzella, A., Sarzi, M., Persic, Massimo, Salucci, Paolo
We present stellar and ionized-gas velocity curves and velocity dispersion profiles for the Sa galaxies NGC 2179 and NGC 2775. Using their luminosity profiles and modeling both their stellar and...
The baryonic mass function of spiral galaxies: clues to galaxy formation (1999)
Salucci, Paolo, Persic, Massimo
We compute the baryonic mass function (BMF) of disc galaxies using the best LFs and baryonic M/L ratios reliable for this goal. For baryonic masses (M_b) ranging between 10^8 and 10^{11} solar...
Mass function of dormant black holes and the evolution of active galactic nuclei (1999)
Salucci, Paolo, Szuszkiewicz, Ewa, Monaco, Pierluigi, Danese, Luigi
We derive the mass function of the relic black holes and compared with that of the Massive Dark Objects in galaxies. Under the assumption that accretion onto massive BH's powers the Active Galactic...
Maximal halos in high-luminosity spiral galaxies (1999)
Salucci, Paolo, Persic, Massimo
We test the halo dominated mass model, recently proposed for high-luminosity galaxies by Courteau & Rix (1998), against rotation velocity data for a large sample of L_* spirals. We find that this...
The Mass Of Black Holes in the Nuclei Of Spirals (1998)
Salucci, Paolo, Ratnam, Charu, Monaco, Pierluigi, Danese, Luigi
We use rotation curve kinematics of 1000 spiral galaxies to investigate if these galaxies could host BH (Black Hole) remnants that once powered the QSO phenomenon. The rotation curves of both early...
Mass function of dormant black holes and the evolution of the Active Galactic Nuclei (1998)
Salucci, Paolo, Szuszkiewicz, Ewa, Monaco, Pierluigi, Danese, Luigi
We derive the mass function of the relic black holes and compared with that of the Massive Dark Objects in galaxies. Under the assumption that accretion onto massive BH's powers the Active Galactic...
Dormant black holes tell a story about the evolution of active galactic nuclei (1998)
Salucci, Paolo, Szuszkiewicz, Ewa, Monaco, Pierluigi, Danese, Luigi
In our recent paper (Salucci et al. 1998) we have investigated the mass distribution function of massive dark objects in galaxies, exploiting the available optical and radio observations. Under the...
Dark Matter Halos around Galaxies (1997)
Salucci, Paolo, Persic, Massimo
We present evidence that all galaxies, of any Hubble type and luminosity, bear the kinematical signature of a mass component distributed differently from the luminous matter. We review and/or derive...
Dark Baryons in the Universe: the Quest Goes On (1996)
Salucci, Paolo, Persic, Massimo
We show that the high local baryonic fraction, M(bar) ~ 1/3 M(tot), found in groups and clusters of galaxies does not reconcile the observed cosmological baryon density with the standard Big-Bang...
The Universal Rotation Curve of Spiral Galaxies: I. the Dark Matter Connection (1996)
Persic, Massimo, Salucci, Paolo, Stel, Fulvio
We use a homogeneous sample of about 1100 rotation curves (RCs) and relative surface photometry to investigate (out to 2 optical radii and over 6 mag) the main mass structure properties of spirals....
ROTATION CURVES OF 967 SPIRAL GALAXIES: IMPLICATIONS FOR DARK MATTER. (1995)
Persic, Massimo, Salucci, Paolo, Stel, Fulvio
We present the rotation curves of 967 spiral galaxies, obtained by deprojecting and folding the raw data published by Mathewson et al. (1992). Of these, 80 meet objective excellence criteria and are...
ROTATION CURVES OF 967 SPIRAL GALAXIES (1995)
Persic, Massimo, Salucci, Paolo
We present the rotation curves (RCs) of 967 spiral galaxies, obtained by folding and deprojecting the raw optical data by Mathewson et al. (1992). Out of these, we have identified 80 excellent RCs...
Rotation curves of 967 spiral galaxies (1995)
Salucci, Paolo, Persic, Massimo
We present the rotation curves (RCs) of 967 spiral galaxies, obtained by folding and deprojecting the raw optical data by Mathewson et al. (1992). Out of these, we have identified 80 excellent RCs...
Rotation curves of 967 spiral galaxies: implications for dark matter (1995)
Persic, Massimo, Salucci, Paolo, Stel, Fulvio
We present the rotation curves of 967 spiral galaxies, obtained by deprojecting and folding the raw Halpha data originally published by Mathewson et al. (1992). Of these, 80 meet objective excellence...
Rotation curves of 967 spiral galaxies: implications for dark matter (1995)
Persic, Massimo, Salucci, Paolo, Stel, Fulvio
We present the rotation curves of 967 spiral galaxies, obtained by deprojecting and folding the raw data published by Mathewson et al. (1992). Of these, 80 meet objective excellence criteria and are...
The contribution of galaxies to OMEGA_0 (1994)
Salucci, Paolo, Persic, Massimo
We estimate the contribution of galaxies to the cosmological density Omega_0 including also their extended dark halos. We find Omega_gal< 0.1, so implying that the matter in galaxies cannot by itself...
Decaying Neutrinos in Galaxy Clusters (1993)
Melott, Adrian L., Splinter, Randall J., Persic, Massimo, Salucci, Paolo
Davidsen et al. (1991) have argued that the failure to detect uv photons from the dark matter DM) in cluster A665 excludes the decaying neutrino hypothesis. Sciama et al. (1993) argued that because...
Statistics of matter distribution from halo dynamics (1989)
Bonometto, Silvio A., Borgani, Stefano, Persic, Massimo, Salucci, Paolo