Publications (124)
Dark Matter in Fractional Gravity III: Dwarf Galaxies Kinematics
F. Benetti, A. Lapi, G. Gandolfi +4
Recently we put forward a framework where the dark matter (DM) component within virialized halos is subject to a non-local interaction originated by fractional gravity (FG) effects…
QSOs sigposting cluster size halos as gravitational lenses: halo mass, projected mass density profile and concentration at
L. Bonavera, J. González-Nuevo, S. L. Suárez Gómez +6
Magnification bias is a gravitational lensing effect that is normally overlooked because it is considered sub-optimal in comparison with the lensing shear. Thanks to the demonstrat…
Statistics of Dark Matter Halos in the Excursion Set Peak Framework
A. Lapi, L. Danese
We derive approximated, yet very accurate analytical expressions for the abundance and clustering properties of dark matter halos in the excursion set peak framework; the latter re…
On the effects of the Initial Mass Function on Galactic chemical enrichment
S. Goswami, A. Slemer, P. Marigo +7
There is mounting evidence that the stellar initial mass function (IMF) could extend much beyond the canonical Mi ~100, Msun limit, but the impact of such hypothesis on the chemica…
Exploring cosmic origins with CORE: effects of observer peculiar motion
C. Burigana, C. S. Carvalho, T. Trombetti +116
We discuss the effects on the CMB, CIB, and thermal SZ effect due to the peculiar motion of an observer with respect to the CMB rest frame, which induces boosting effects. We inves…
Tomography-based observational measurements of the halo mass function via the submillimeter magnification bias
M. M. Cueli, L. Bonavera, J. Gonzalez-Nuevo +3
Aims. The main goal of this paper is to derive observational constraints on the halo mass fuction (HMF) by performing a tomographic analysis of the magnification bias signal on a s…
The Coevolution of Supermassive Black Holes and Massive Galaxies at High Redshift
A. Lapi, S. Raimundo, R. Aversa +5
We exploit the recent, wide samples of far-infrared (FIR) selected galaxies followed-up in X rays and of X-ray/optically selected active galactic nuclei (AGNs) followed-up in the F…
Herschel-ATLAS/GAMA: a census of dust in optically selected galaxies from stacking at submillimetre wavelengths
N. Bourne, S. J. Maddox, L. Dunne +42
We use the Herschel-ATLAS survey to conduct the first large-scale statistical study of the submm properties of optically selected galaxies. Using ~80,000 r-band selected galaxies f…
Searching for AGN-driven Shocks in Galaxy Clusters
A. Cavaliere, A. Lapi
Shocks and blastwaves are expected to be driven driven into the intracluster medium filling galaxy groups and clusters by powerful outbursts of active galactic nuclei or quasars in…
The Main Sequences of Starforming Galaxies and Active Galactic Nuclei at High Redshift
Claudia Mancuso, A. Lapi, J. Shi +3
We provide a novel, unifying physical interpretation on the origin, the average shape, the scatter, and the cosmic evolution for the main sequences of starforming galaxies and acti…
Nonthermal Pressure in the Outskirts of Abell 2142
R. Fusco-Femiano, A. Lapi
Clumping and turbulence are expected to affect the matter accreted onto the outskirts of galaxy clusters. To determine their impact on the thermodynamic properties of Abell 2142 we…
Chandra and ALMA observations of the nuclear activity in two strongly lensed star forming galaxies
M. Massardi, A. F. M. Enia, M. Negrello +7
Nuclear activity and star formation play relevant roles in the early stages of galaxy formation. We aim at identifying them in high redshift galaxies by exploiting high-resolution…
The dramatic size evolution of elliptical galaxies and the quasar feedback
L. Fan, A. Lapi, G. De Zotti +1
Observations have evidenced that passively evolving massive galaxies at high redshift are much more compact than local galaxies with the same stellar mass. We argue that the observ…
Forecasts on the contamination induced by unresolved point sources in primordial non-Gaussianity beyond Planck
A. Curto, M. Tucci, J. Gonzalez-Nuevo +5
In this paper we present forecasts of the contamination on different shapes of the primordial non-Gaussianity fnl parameter -- detectable on future Cosmic Microwave Background (CMB…
The Sunyaev-Zeldovich effect as a probe of the galaxy formation process
G. De Zotti, C. Burigana, A. Cavaliere +5
The Sunyaev-Zeldovich (SZ) effect has proven to be an extremely powerful tool to study the physical and evolutionary properties of rich clusters of galaxies. Upcoming SZ experiment…
A Physical Model for Co-evolution of QSOs and of their Spheroidal Hosts
G. De Zotti, F. Shankar, A. Lapi +5
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 n…
Stellar Mass Function of Active and Quiescent Galaxies via the Continuity Equation
A. Lapi, Claudia Mancuso, A. Bressan +1
The continuity equation is developed for the stellar mass content of galaxies, and exploited to derive the stellar mass function of active and quiescent galaxies over the redshift…
ALMA resolves the first strongly-lensed Optical/NIR-dark galaxy
M. Giulietti, A. Lapi, M. Massardi +6
We present high-resolution (arcsec) ALMA observations of the strongly-lensed galaxy HATLASJ113526.2-01460 at redshift discovered in the Gama 12 f…
Statistics of Dark Matter Halos from the Excursion Set Approach
A. Lapi, P. Salucci, L. Danese
We exploit the excursion set approach in integral formulation to derive novel, accurate analytic approximations of the unconditional and conditional first crossing distributions, f…
SAGACE: the Spectroscopic Active Galaxies And Clusters Explorer
P. De Bernardis, D. Bagliani, A. Bardi +42
The SAGACE experiment consists of a mm/sub-mm telescope with a 3-m diameter primary mirror, coupled to a cryogenic multi-beam differential spectrometer. SAGACE explores the sky in…
A Cigale module tailored (not only) for Low-Luminosity AGN
I. E. López, G. Yang, G. Mountrichas +17
The spectral energy distribution (SED) of low-luminosity active galactic nuclei (LLAGN) presents challenges due to their faint emissions and the complexity of their accretion proce…
Cosmological constraints with the sub-millimetre galaxies Magnification Bias after large scale bias corrections
J. Gonzalez-Nuevo, M. M. Cueli, L. Bonavera +4
The study of the magnification bias produced on high-redshift sub-millimetre galaxies by foreground galaxies through the analysis of the cross-correlation function was recently dem…
Dust and star-formation properties of a complete sample of local galaxies drawn from the Planck Early Release Compact Source Catalogue
M. S. Clemens, M. Negrello, G. De Zotti +16
We combine Planck HFI data at 857, 545, 353 & 217GHz with data from WISE, Spitzer, IRAS & Herschel to investigate the properties of a flux limited sample of local star-forming gala…
Missing Baryons, from Clusters to Groups of Galaxies
A. Cavaliere, A. Lapi
From clusters to groups of galaxies, the powerful bremsstrahlung radiation L_X emitted in X rays by the intracluster plasma is observed to decline sharply with lowering virial temp…
Galaxy Evolution in the Radio Band: The Role of Starforming Galaxies and Active Galactic Nuclei
Claudia. Mancuso, A. Lapi, I. Prandoni +6
We investigate the astrophysics of radio-emitting star-forming galaxies and ac- tive galactic nuclei (AGNs), and elucidate their statistical properties in the radio band including…
COSMOS2020: Investigating the AGN-obscured accretion phase at via [NeV] selection
L. Barchiesi, C. Vignali, F. Pozzi +7
We investigated the properties of 94 [NeV]3426AA-selected type 2 AGN in COSMOS at z=0.6-1.2, performing optical-to-far-infrared spectral energy distribution fitting. In addition, w…
Gamma Rays from Annihilations at the Galactic Center in a Physical Dark Matter Distribution
A. Lapi, A. Paggi, A. Cavaliere +3
We discuss the gamma-ray signal to be expected from dark matter (DM)annihilations at the Galactic Center. To describe the DM distribution in the Galactic halo we base on the Jeans…
Cross-correlation between the CMB lensing potential measured by Planck and high-z sub-mm galaxies detected by the Herschel-ATLAS survey
F. Bianchini, P. Bielewicz, A. Lapi +15
We present the first measurement of the correlation between the map of the cosmic microwave background (CMB) lensing potential derived from the \emph{Planck} nominal mission data a…
A post-merger enhancement only in star-forming Type 2 Seyfert galaxies: the deep learning view
M. S. Avirett-Mackenzie, C. Villforth, M. Huertas-Company +7
Supermassive black holes require a reservoir of cold gas at the centre of their host galaxy in order to accrete and shine as active galactic nuclei (AGN). Major mergers have the ab…
The miniJPAS survey: AGN & host galaxy co-evolution of X-ray selected sources
I. E. López, M. Brusa, S. Bonoli +35
Studies indicate strong evidence of a scaling relation in the local Universe between the supermassive black hole mass ($M_\rm{BH}$) and the stellar mass of their host galaxies ($M_…
Selecting a complete sample of blazars in sub-millimetre catalogues
M. Massardi, M. Bonato, M. Lopez-Caniego +6
The \textit{Herschel} Astrophysical Terahertz Large Area Survey (H-ATLAS), that has covered about 642 sq. deg. in 5 bands from 100 to 500 , allows a blind flux-limited sel…
Self-Similar Dynamical Relaxation of Dark Matter Halos in an Expanding Universe
A. Lapi, A. Cavaliere
We investigate the structure of cold dark matter halos using advanced models of spherical collapse and accretion in an expanding Universe. These base on solving time-dependent equa…
The Astrophysics of the Intracluster Plasma
A. Cavaliere, A. Lapi
[Abridged] Since 1971 observations in X rays of thousands galaxy clusters have uncovered huge amounts of hot baryons filling up the deep gravitational potential wells provided by d…
Herschel-ATLAS: VISTA VIKING near-IR counterparts in the Phase 1 GAMA 9h data
S. Fleuren, W. Sutherland, L. Dunne +38
We identify near-infrared Ks band counterparts to Herschel-ATLAS sub-mm sources, using a preliminary object catalogue from the VISTA VIKING survey. The sub-mm sources are selected…
An ALMA view of 11 Dusty Star Forming Galaxies at the peak of Cosmic Star Formation History
L. Pantoni, M. Massardi, A. Lapi +10
We present the ALMA view of 11 main-sequence DSFGs, (sub-)millimeter selected in the GOODS-S field, and spectroscopically confirmed to be at the peak of Cosmic SFH (z = 2-3). Our s…
H-ATLAS/GAMA: Magnification Bias Tomography. Astrophysical constraints above arcmin
J. González-Nuevo, A. Lapi, L. Bonavera +14
In this work we measure and study the cross-correlation signal between a foreground sample of GAMA galaxies with spectroscopic redshifts in the range , and a background…
Turbulence in the SuperModel: Mass Reconstruction with Nonthermal Pressure for Abell 1835
R. Fusco-Femiano, A. Lapi
The total mass derived from X-ray emission is biased low in a large number of clusters when compared with the mass estimated via strong and weak lensing. Suzaku and Chandra observa…
The Intracluster Plasma: a Universal Pressure Profile?
A. Lapi, A. Cavaliere, R. Fusco-Femiano
The pressure profiles of the Intracluster Plasma in galaxy clusters show a wide variance when observed in X rays at low redshifts z<0.2. We find the profiles to follow two main pat…
Semi-empirical Predictions for Ultra-deep Radio Counts of Star-forming Galaxies with the SKAO
M. Giulietti, I. Prandoni, L. Bisigello +4
Star-forming galaxies (SFGs) dominate the faint radio sky at flux densities below 0.1 mJy. Identifying these systems through a multiwavelength approach is essential to tracing the…
Herschel-ATLAS: towards a sample of ~1000 strongly-lensed galaxies
J. González-Nuevo, A. Lapi, S. Fleuren +39
While the selection of strongly lensed galaxies with 500μm flux density S_500>100 mJy has proven to be rather straightforward (Negrello et al. 2010), for many applications it is i…
The evolution of compact massive quiescent and starforming galaxies derived from the and relations
L. Zanisi, F. Shankar, H. Fu +12
The mean size ( effective radius ) of Massive Galaxies (MGs, ) is observed to increase steadily with cosmic time. It is still unclear whether th…
Intracluster Entropy from Joint X-ray and Sunyaev-Zel'dovich Observations
A. Cavaliere, A. Lapi, Y. Rephaeli
The temperature and density of the hot diffuse medium pervading galaxy groups and clusters combine into one significant quantity, the entropy. Here we express the entropy levels an…
Observability of the virialization phase of spheroidal galaxies with radio arrays
M. Massardi, A. Lapi, G. De Zotti +2
In the standard galaxy formation scenario plasma clouds with a high thermal energy content must exist at high redshifts since the proto-galactic gas is shock heated to the virial t…
Supermodel Analysis of Galaxy Clusters
R. Fusco-Femiano, A. Cavaliere, A. Lapi
[abridged] We present the analysis of the X-ray brightness and temperature profiles for six clusters belonging to both the Cool Core and Non Cool Core classes, in terms of the Supe…
The Herschel Stripe 82 Survey (HerS): Maps and Early Catalog
M. P. Viero, V. Asboth, I. G. Roseboom +36
We present the first set of maps and band-merged catalog from the Herschel Stripe 82 Survey (HerS). Observations at 250, 350, and 500 micron were taken with the Spectral and Photom…
The Intragroup versus the Intracluster Medium
A. Cavaliere, R. Fusco-Femiano, A. Lapi
Galaxy groups differ from clusters primarily by way of their lower masses, M~10^14 M_sun vs. M~10^15 M_sun. We discuss how mass affects the thermal state of the intracluster or the…
Euclid Quick Data Release (Q1). Searching for radio-selected \Euclid-dark galaxies in the EDF-N
Euclid Collaboration, M. Giulietti, I. Prandoni +308
We present and investigate the properties of a sample of radio-selected, Euclid-dark galaxies, identified from LOFAR HBA observations at 144 MHz within the Euclid Deep Field-North…
Predictions for surveys with the SPICA Mid-infrared Instrument
M. Bonato, M. Negrello, Z. -Y. Cai +8
We present predictions for number counts and redshift distributions of galaxies detectable in continuum and in emission lines with the Mid-infrared (MIR) Instrument (SMI) proposed…
Galaxy Clusters, a Novel Look at Diffuse Baryons Withstanding Dark Matter Gravity
A. Cavaliere, A. Lapi, R. Fusco-Femiano
[abridged] The equilibria of the intracluster plasma (ICP) and of the gravitationally dominant dark matter (DM) are governed by the hydrostatic and the Jeans equation. Jeans, with…
The Way of Water: ALMA resolves H2O emission lines in a strongly lensed dusty star-forming galaxy at z 3.1
F. Perrotta, M. Giulietti, M. Massardi +10
We report ALMA high-resolution observations of water emission lines ), , , in the strong…
New Analytic Solutions for Galaxy Evolution: Gas, Stars, Metals and Dust in local Early-Type Galaxies and in their high-z Starforming Progenitors
L. Pantoni, A. Lapi, M. Massardi +2
We present a set of new analytic solutions aimed at self-consistently describing the spatially-averaged time evolution of the gas, stellar, metal, and dust content in an individual…
New Relationships between Galaxy Properties and Host Halo Mass, and the Role of Feedbacks in Galaxy Formation
F. Shankar, A. Lapi, P. Salucci +2
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 dispe…
Unveiling the warm molecular outflow component of type-2 quasars with SINFONI
M. V. Zanchettin, C. Ramos Almeida, A. Audibert +5
We present seeing-limited (0.8 arcsec) near-infrared integral field spectroscopy data of the type-2 quasars (QSO2s) SDSS J135646.10+102609.0 (J1356) and SDSS J143029.89+133912.1 (J…
Toward the measurement of neutrino masses: Performance of cosmic magnification with submillimeter galaxies
M. M. Cueli, S. R. Cabo, J. González-Nuevo +6
The phenomenon of magnification bias can induce a non-negligible angular correlation between two samples of galaxies with nonoverlapping redshift distributions. This signal is part…
Merging Rates of Compact Binaries in Galaxies: Perspectives for Gravitational Wave Detections
L. Boco, A. Lapi, S. Goswami +3
We investigate the merging rates of compact binaries in galaxies, and the related detection rate of gravitational wave (GW) events with AdvLIGO/Virgo and with the Einstein Telescop…
Cosmology with the submillimetre galaxies magnification bias: Proof of concept
L. Bonavera, J. González-Nuevo, M. M. Cueli +6
Context. As recently demonstrated, high-z submillimetre galaxies (SMGs) are the perfect background sample for tracing the mass density profiles of galaxies and clusters (baryonic a…
Multi-phase characterization of AGN winds in 5 local type-2 quasars
G. Speranza, C. Ramos Almeida, J. A. Acosta-Pulido +9
We present MEGARA (Multi-Espectrógrafo en GTC de Alta Resolución para AstronomÃa) Integral Field Unit (IFU) observations of 5 local type-2 quasars (QSO2s, z ) from the…
SuperModel Analysis of Abell 1246 and J255: on the Evolution of Galaxy Clusters from High to Low Entropy States
R. Fusco-Femiano, A. Lapi
We present an analysis of high-quality X-ray data out to the virial radius for the two galaxy clusters Abell 1246 and GMBCG J255.34805+64.23661 (J255) by means of our entropy-based…
Probing the Astrophysics of Cluster Outskirts
A. Lapi, R. Fusco-Femiano, A. Cavaliere
In galaxy clusters the entropy distribution of the IntraCluster Plasma modulates the latter's equilibrium within the Dark Matter gravitational wells, as rendered by our Supermodel.…
Modelling the UV to radio SEDs of nearby star-forming galaxies: new Parsec SSP for Grasil
I. A. Obi, A. Bressan, F. Perrotta +9
By means of the updated PARSEC database of evolutionary tracks of massive stars, we compute the integrated stellar light, the ionizing photon budget and the supernova rates of youn…
The impact of very massive stars on the chemical evolution of extremely metal-poor galaxies
S. Goswami, L. Silva, A. Bressan +6
In recent observations of extremely metal-poor low-mass starburst galaxies, almost solar Fe/O ratios are reported, despite N/O ratios consistent with the low metallicity. We invest…
Intracluster and Intragroup Entropy from Quasar Activity
A. Lapi, A. Cavaliere, N. Menci
We investigate how the hierarchical merging of dark matter halos, the radiative cooling of baryons, and the energy feedback from supernovae and active galactic nuclei or quasars co…
AGN in Dusty Starbursts at Z=2: Feedback Still To Kick In
G. Rodighiero, A. Enia, I. Delvecchio +18
We investigate a sample of 152 dusty sources at 1:5 < z < 2:5 to understand the connection of enhanced Star-Formation-Rate (SFR) and Black-Hole-Accretion-Rate (BHAR). The sources a…
The Baryonic and Dark Matter Properties of High Redshift Gravitationally Lensed Disk Galaxies
P. Salucci, A. M. Swinbank, A. Lapi +4
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 f…
Herschel-ATLAS: blazars in the SDP field
J. González-Nuevo, G. De Zotti, P. Andreani +54
To investigate the poorly constrained sub-mm counts and spectral properties of blazars we searched for these in the Herschel-ATLAS (H-ATLAS) science demostration phase (SDP) survey…
Dark Matter Equilibria in Galaxies and Galaxy Systems
A. Lapi, A. Cavaliere
[abridged] In the dark matter (DM) halos embedding galaxies and galaxy systems the `entropy' K = Ï^2 / Ï^{2/3} (a quantity that combines the radial velocity dispersion Ïwith the…
Ultra High-Redshift or Closer-by, Dust-Obscured Galaxies? Deciphering the Nature of Faint, Previously Missed F200W-Dropouts in CEERS
G. Gandolfi, G. Rodighiero, L. Bisigello +42
The James Webb Space Telescope (JWST) is revolutionizing our understanding of the Universe by unveiling faint, near-infrared dropouts previously beyond our reach, ranging from exce…
The Herschel-ATLAS: a sample of 500μm-selected lensed galaxies over 600 square degrees
M. Negrello, S. Amber, A. Amvrosiadis +43
We present a sample of 80 candidate strongly lensed galaxies with flux density above 100mJy at 500μm extracted from the Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS…
Herschel-ATLAS Galaxy Counts and High Redshift Luminosity Functions: The Formation of Massive Early Type Galaxies
A. Lapi, J. Gonzalez-Nuevo, L. Fan +35
Exploiting the Herschel-ATLAS Science Demonstration Phase (SDP) survey data, we have determined the luminosity functions (LFs) at rest-frame wavelengths of 100 and 250 micron and a…
The Universal Rotation Curve of Spiral Galaxies. II The Dark Matter Distribution out to the Virial Radius
P. Salucci, A. Lapi, C. Tonini +3
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 viria…
Probing the evolution of galaxy clusters with the SZ Effect
A. Cavaliere, A. Lapi
In galaxy clusters the thermal Sunyaev-Zel'dovich (SZ) effect from the hot intracluster medium (ICM) provides a direct, self-contained measure of the pressure integrated over cross…
Euclid. I. Overview of the Euclid mission
Euclid Collaboration, Y. Mellier, Abdurro'uf +1134
The current standard model of cosmology successfully describes a variety of measurements, but the nature of its main ingredients, dark matter and dark energy, remains unknown. Eucl…
Two-Phase Galaxy Formation
M. Cook, A. Lapi, G. L. Granato
We propose and test a scenario for the assembly and evolution of luminous matter in galaxies which substantially differs from that adopted by other semianalytic models. As for the…
Herschel-ATLAS: Planck sources in the Phase 1 fields
D. Herranz, J. González-Nuevo, D. L. Clements +33
We present the results of a cross-correlation of the Planck Early Release Compact Source Catalog (ERCSC) with the catalog of Herschel-ATLAS sources detected in the Phase 1 fields,…
The Quest for Dusty Star-forming Galaxies at High Redshift z>4
C. Mancuso, A. Lapi, J. Shi +3
We exploit the continuity equation approach and the `main sequence' star-formation timescales to show that the observed high abundance of galaxies with stellar masses > a few 10^10…
Astroparticle Constraints from Cosmic Reionization and Primordial Galaxy Formation
A. Lapi, T. Ronconi, L. Boco +4
We derive astroparticle constraints in different dark matter scenarios alternative to cold dark matter (CDM): thermal relic warm dark matter, WDM; fuzzy dark matter, DM; self-i…
Precision Scaling Relations for Disk Galaxies in the Local Universe
A. Lapi, P. Salucci, L. Danese
We build templates of rotation curves as a function of the band luminosity via the mass modeling (by the sum of a thin exponential disk and a cored halo profile) of suitably no…
Black Hole and Galaxy Coevolution from Continuity Equation and Abundance Matching
R. Aversa, A. Lapi, G. de Zotti +2
[abridged] We investigate the coevolution of galaxies and hosted supermassive black holes throughout the history of the Universe by a statistical approach based on the continuity e…
The Planck Sunyaev-Zel'dovich vs. the X-ray View of the Coma Cluster
R. Fusco-Femiano, A. Lapi, A. Cavaliere
The Planck collaboration has recently published precise and resolved measurements of the Sunyaev-Zel'dovich effect in Abell 1656 (the Coma cluster of galaxies), so directly gauging…
Knocking on giants' doors: I. The evolution of the dust-to-stellar mass ratio in distant dusty galaxies
D. Donevski, A. Lapi, K. MaÅek +11
The dust-to-stellar mass ratio (/) is a crucial yet poorly constrained quantity to understand the production mechanisms of dust, metals and stars in ga…
Clustering of sub-millimeter galaxies in a self-regulated baryon collapse model
Jun-Qing Xia, M. Negrello, A. Lapi +3
We have investigated the Cosmic Infrared Background (CIB) anisotropies in the framework of the physical evolutionary model for proto-spheroidal galaxies by Granato et al. (2004). A…
Two phase galaxy formation: The Gas Content of Normal Galaxies
M. Cook, C. Evoli, E. Barausse +2
We investigate the atomic (HI) and molecular (H_2) Hydrogen content of normal galaxies by combining observational studies linking galaxy stellar and gas budgets to their host dark…
Cosmology with the sub-millimetre galaxies magnification bias: Tomographic Analysis
L. Bonavera, M. M. Cueli, J. González-Nuevo +5
As in Gonzalez-Nuevo et al. 2017 and Bonavera et al. 2019, the high-z sub-millimetre galaxies can be used as background sample for gravitational lensing studies thanks to their mag…
Cosmic Evolution of Size and Velocity Dispersion for Early Type Galaxies
L. Fan, A. Lapi, A. Bressan +3
[abridged] Massive, passively evolving galaxies at redshifts z>1 exhibit on the average physical sizes smaller by factors ~3 than local early type galaxies (ETGs) endowed with the…
The Black Hole Mass Function Across Cosmic Times II. Heavy Seeds and (Super)Massive Black Holes
A. Sicilia, A. Lapi, L. Boco +8
This is the second paper in a series aimed at modeling the black hole (BH) mass function, from the stellar to the (super)massive regime. In the present work we focus on (super)mass…
H-ATLAS: estimating redshifts of Herschel sources from sub-mm fluxes
E. A. Pearson, S. Eales, L. Dunne +29
Upon its completion the Herschel ATLAS (H-ATLAS) will be the largest submillimetre survey to date, detecting close to half-a-million sources. It will only be possible to measure sp…
Growth of Supermassive Black Hole Seeds in ETG Star-Forming Progenitors: Multiple Merging of Stellar Compact Remnants via Gaseous Dynamical Friction and Gravitational Wave Emission
L. Boco, A. Lapi, L. Danese
We propose a new mechanism for the growth of supermassive black hole (BH) seeds in the star-forming progenitors of local early-type galaxies (ETGs) at . This envisages…
AGN Feedback on the Intracluster Medium
A. Cavaliere, A. Lapi, N. Menci
Galaxy groups are quite underluminous in X-rays compared to clusters, so the intracluster medium has to be considerably underdense in the former. We consider this to be due to subs…
Quasar Luminosity Functions from Joint Evolution of Black Holes and Host Galaxies
A. Lapi, F. Shankar, J. Mao +4
We show that our previously proposed anti-hierarchical baryon collapse scenario for the joint evolution of black holes and host galaxies predicts quasar luminosity functions at red…
Forecasting Polarized Radio Sources for CMB observations
G. Puglisi, V. Galluzzi, L. Bonavera +7
We combine the latest datasets obtained with different surveys to study the frequency dependence of polarized emission coming from Extragalactic Radio Sources (ERS). We consider da…
Structure and History of Dark Matter Halos Probed with Gravitational Lensing
A. Lapi, A. Cavaliere
We test with gravitational lensing data the dark matter (DM) halos embedding the luminous baryonic component of galaxy clusters; our benchmark is provided by their two-stage cosmog…
The Herschel ATLAS
S. Eales, L. Dunne, D. Clements +94
The Herschel ATLAS is the largest open-time key project that will be carried out on the Herschel Space Observatory. It will survey 510 square degrees of the extragalactic sky, four…
Sunyaev-Zel'dovich Effects from Quasars in Galaxies and Groups
A. Lapi, A. Cavaliere, G. De Zotti
The energy fed by active galactic nuclei to the surrounding diffuse baryons changes their amount, temperature, and distribution; so in groups and in member galaxies it affects the…
A Stochastic Theory of the Hierarchical Clustering III. The Non-universality and Non-stationarity of the Halo Mass Function
A. Lapi, T. Ronconi, L. Danese
In the framework of the stochastic theory for hierarchical clustering, we investigate the time-dependent solutions of the Fokker-Planck equation describing the statistics of dark m…
A highly obscured and strongly clustered galaxy population discovered with the Spitzer Space Telescope
M. Magliocchetti, L. Silva, A. Lapi +4
The ~800 optically unseen (R>25.5) 24mum-selected sources in the complete Spitzer First Look Survey sample (Fadda et al. 2006) with F[24mum]>0.35 mJy are found to be very strongly…
Effective Models for Statistical Studies of Galaxy-Scale Gravitational Lensing
A. Lapi, M. Negrello, J. Gonzalez-Nuevo +3
We have worked out simple analytical formulae that accurately approximate the relationship between the position of the source with respect to the lens center and the amplification…
Galaxy Evolution at High Redshift: Obscured Star Formation, GRB Rates, Cosmic Reionization, and Missing Satellites
A. Lapi, Claudia Mancuso, A. Celotti +1
We provide an holistic view of galaxy evolution at high redshift z>4, that incorporates the constraints from various astrophysical/cosmological probes, including the estimate of th…
A Grand Design for Galaxy Clusters: Connections and Predictions
A. Cavaliere, A. Lapi, R. Fusco-Femiano
We take up from a library of 12 galaxy clusters featuring extended X-ray observations of their Intra Cluster Plasma (ICP), analyzed with our entropy-based Supermodel. Its few intri…
A direct and robust method to observationally constrain the halo mass function via the submillimeter magnification bias: Proof of concept
M. M. Cueli, L. Bonavera, J. González-Nuevo +1
Aims. The main purpose of this work is to provide a method to derive tabulated observational constraints on the halo mass function (HMF) by studying the magnification bias effect o…
On the statistics of proto-cluster candidates detected in the Planck all-sky survey
M. Negrello, J. Gonzalez-Nuevo, G. De Zotti +8
Observational investigations of the abundance of massive precursors of local galaxy clusters ("proto-clusters") allow us to test the growth of density perturbations, to constrain c…