On the shape of the light profiles of early-type galaxies

Abstract

We have obtained the best fit to the light profiles of a luminosity limited sample of elliptical and S0 galaxies with a power law \rn, letting the exponent remain free rather than keeping it fixed at $1/n=1/4$ as in the well known \GV formula. The introduction of a free parameter in the fitting formula (ranging from $n=0.5$ for $<\re>=0.3$ kpc to $n=16$ for $<\re>=25$ kpc) is justified by the existence of a good correlation between $n$ and the global galaxian parameters, such as total luminosity and scale-radius. This result seems to be in line with the segregation of properties between the `ordinary' and `bright' families of early-type galaxies, and has consequence for the claimed independence of the shape of galaxy profiles with respect to the Fundamental Plane parameters.

10 pages, postscript file including figures, PADOVA (archived file truncated during email transfer)

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• Galaxy And Mass Assembly (GAMA): The unimodal nature of the dwarf galaxy population
• The intrinsic dispersion of the Faber-Jackson relation for early-type galaxies as function of the mass and redshift
• Sky Subtraction in an Era of Low Surface Brightness Astronomy
• Dichotomy in host environments and signs of recycled AGN
• Measuring Dark Matter in Galaxies: The Mass Fraction Within 5 Effective Radii
• A Possible Formation Scenario for Dwarf Spheroidal Galaxies - II: A Parameter Study
• Relaxation of N-body systems with additive r^-α interparticle forces
• The size and structure of the spheroid of IC 1613
• The link between brightest cluster galaxy properties and large scale extensions of 38 DAFT/FADA and CLASH clusters in the redshift range 0.2<z<0.9
• A slow bar in the lenticular barred galaxy NGC 4277
• Characterization of Omega-WINGS galaxy clusters. I. Stellar light and mass profiles
• Fossil group origins IX. Probing the formation of fossil galaxy groups with stellar population gradients of their central galaxies
• Star formation and morphological properties of galaxies in the Pan-STARRS $3\pi$ survey- I. A machine learning approach to galaxy and supernova classification
• Faint Dwarf Galaxies in Hickson Compact Group 90
• Exploring the progenitors of brightest cluster galaxies at z~2
• Early-type galaxies in the Antlia Cluster: A deep look into scaling relations
• The dark matter halo density profile, spiral arm morphology and black hole mass of M33
• New insights into the structure of early-type galaxies: the Photometric Plane at z~0.3
• The Super-NFW model: an analytic dynamical model for cold dark matter haloes and elliptical galaxies
• The Relationship Between the Sersic Law Profiles Measured Along the Major and Minor Axes of Elliptical Galaxies
• The Fornax3D project: The assembly history of massive early-type galaxies in the Fornax cluster from deep imaging and integral field spectroscopy
• NIR surface photometry of a sample of nearby spiral galaxies
• Galaxy Structural Analysis with the Curvature of the Brightness Profile
• Extremely Red Objects in Two Quasar Fields at z ~ 1.5
• The Role of Clustering of Sub-Clumps in Bright Elliptical Galaxy Formation from a Low-Spin Seed Galaxy
• Realistic triaxial density--potential--force profiles for stellar systems and dark matter halos
• Analysis of the galaxy size versus stellar mass relation
• Multi-component DHOST analysis in galaxy clusters
• Detection of Galaxies with Gaia
• From the Tully-Fisher relation to the Fundamental Plane through Mergers
• Surface Brightness and Intrinsic Luminosity of Ellipticals
• A low-luminosity type-1 QSO sample: II. Tracing circumnuclear star formation in HE 1029-1831 with SINFONI
• A possible signature of the influence of tidal perturbations in dwarf galaxy scaling relations
• Detection of Prominent Stellar Disks in the Progenitors of Present-day Massive Elliptical Galaxies
• A MegaCam Survey of Outer Halo Satellites. VII. A Single Sérsic Index v/s Effective Radius Relation for Milky Way Outer Halo Satellites
• Early-type dwarf galaxies with multicomponent stellar structure: Are they remnants of disc galaxies strongly transformed by their environment?
• On the connection between shape and stellar population in early-type galaxies
• The supermassive black hole merger driven evolution of high-redshift red nuggets into present-day cored early-type galaxies
• The parallelism between galaxy clusters and early-type galaxies: I. The light and mass profiles
• Stellar systems following the $R^{1/m}$ luminosity law. III. Photometric, intrinsic, and dynamical properties for all Sérsic indices
• The size--mass and other structural parameter ($n,{\mu }_z,R_z$) relations for local bulges/spheroids from multicomponent decompositions
• Influence of magnification threshold on pixel lensing optical depth, event rate and time scale distributions towards M31
• Black hole mass measurement using molecular gas kinematics: what ALMA can do
• A Normal Abundance of Faint Satellites in the Fossil Group NGC 6482
• Stellar systems following the $R^{1/m}$ luminosity law. IV. The total energy and the central concentration of galaxies
• 3C 17: The BCG of a galaxy cluster at z=0.22
• The Abell 85 BCG: a nucleated, core-less galaxy
• Dynamical masses and non-homology of massive elliptical galaxies grown by dry mergers
• The scaling relations of early--type galaxies in clusters I. Surface photometry in seven nearby clusters
• UGC 3995: A Close Pair of Spiral Galaxies
• Detection of the 2175Å UV Bump at z>7: Evidence for Rapid Dust Evolution in a Merging Reionisation-Era Galaxy
• New X-shaped bulge photometric model as a tool for measuring B/PS bulges and their X-structures in photometric studies
• Milky Way-like galaxies: stellar population properties of dynamically defined disks, bulges and stellar halos
• An HSC view of the CMASS galaxy sample. Halo mass as a function of stellar mass, size and Sérsic index
• Hickson 62.I. Kinematics of NGC4778
• The power spectrum of systematics in cosmic shear tomography and the bias on cosmological parameters
• What made discy galaxies giant?
• Mirages in galaxy scaling relations
• A photometric analysis of Abell 1689: two-dimensional multi-structure decomposition, morphological classification, and the Fundamental Plane
• On the unification of dwarf and giant elliptical galaxies
• Chandra Detection of Intra-cluster X-ray Sources in Fornax
• Early-Type Galaxies: Elliptical and S0 Galaxies, or Fast and Slow Rotators
• The insight into the dark side. I. The pitfalls of the dark halo parameters estimation
• The Tolman Surface Brightness Test for the Reality of the Expansion. V. Provenance of the Test and a New Representation of the Data for Three Remote HST Galaxy Clusters
• Investigating early-type galaxy evolution with a multi-wavelength approach. III. Insights from SPH simulations with chemo-photometric implementation
• Dissecting the morphological and spectroscopic properties of galaxies in the local Universe: I. Elliptical galaxies
• Characterization of a sample of intermediate-type AGN. II. Host Bulge Properties and Black Hole Mass Estimates
• DHOST gravity in Ultra-diffuse galaxies -- Part II: NGC 1052-DF4 and Dragonfly 44
• Stellar populations of the bulges of four spiral galaxies
• How non-linear scaling relations unify dwarf and giant elliptical galaxies
• Galaxy Bulges As Tests of CDM vs MOND in Strong Gravity
• SDSS J1640+1932: a spectacular galaxy-quasar strong lens system
• The Complex Structure of the Bulge of M31
• A new fitting concept for the robust determination of Sérsic model parameters
• Evidence for radially independent size growth of early-type galaxies in clusters
• Properties of Nuclear Star Clusters in Low Surface Brightness Galaxies
• Significance of Gravitational Nonlinearities on the Dynamics of Disk Galaxies
• The Structure of Galaxies: II. Fitting Functions and Scaling Relations for Ellipticals
• Photometric Properties of Six Local Volume Dwarf Galaxies from Deep Near-Infrared Observations
• 2D Surface Brightness Modelling of Large 2MASS Galaxies I: Photometry and Structural Parameters
• The PSF Smoothing Effect on Concentration-Related Parameters of High Redshift Galaxies in HST and JWST
• 1.65 micron (H-band) surface photometry of galaxies. VIII: the near-IR k-space at z=0
• MIGHTEE-HI: The radial acceleration relation with resolved stellar mass measurements
• The mass-size relation of LRGs from BOSS and DECaLS
• The extended Planetary Nebula Spectrograph (ePN.S) early-type galaxy survey: The specific angular momentum of ETGs
• Dynamical and gravitational lensing properties of a new phenomenological model of elliptical galaxies
• The Chandra Deep Field South as a test case for Global Multi Conjugate Adaptive Optics
• Optical spectral characterization of the the TeV extreme blazar 2WHSP J073326.7+515354
• Angular momentum transfer and the size - mass relation in early - type galaxies
• A MARVEL-ous study of how well galaxy shapes reflect Dark Matter halo shapes in Cold Dark Matter Simulations
• Structure of Early-Type Galaxies: 2D Fit of the Light Distribution for a Complete Volume-Limited Sample
• Crazy heart: kinematics of the "star pile" in Abell 545
• Discovery of a Low Surface Brightness Object near Seyfert's Sextet
• Stringent limits on the masses of the supermassive black holes in seven nearby galaxies
• The Stellar Kinematics of Extragalactic Bulges
• Insights into the evolution of five isolated galaxies
• Early versus late type galaxies in compact groups
• The host galaxies of radio-loud AGN: colour structure
• $R$-band host galaxy contamination of TeV $\gamma$-ray blazar Mrk 501: effects of the aperture size and seeing
• The bright galaxy population of five medium redshift clusters. II. Quantitative Galaxy Morphology
• Surface Photometry and Radial Color Gradients of Nearby Luminous Early-type Galaxies in SDSS Stripe 82
• Elliptical (E) and ellicular (ES) galaxies in the M_bh-M_*,sph diagram, and a merger-driven explanation for the origin of ES galaxies, anti-truncated stellar discs in lenticular galaxies, and the Sersicification of E galaxy light profiles
• The JWST Emission Line Survey (JELS): The sizes and merger fraction of star-forming galaxies during the Epoch of Reionization
• Stellar systems in the direction of Pegasus I - I. Low surface brightness galaxies
• Testing cosmological models with the brightness profile of distant galaxies
• The Bulge/Disk Connection in Late-type Spirals
• LeMMINGs. V. Nuclear activity and bulge properties: a detailed multi-component decomposition of $e$-MERLIN Palomar galaxies with $HST$
• Modelling of surface brightness fluctuation measurements: Methodology, uncertainty, and recommendations
• Interstellar Extinction in Galactic Cirri in SDSS Stripe 82
• A continuum of structure and stellar content from Virgo cluster early-type dwarfs to giants?
• An accurate and simple, asymptotically matched deprojection of the Sersic law
• Dynamical masses of early-type galaxies at z~2
• Dynamical Mass Determinations and Scaling Relations of Early-Type Galaxies
• Boxy/Peanut Bulges: Comparative Analysis of EGIPS Galaxies and TNG50 Models
• Past, present and Future of the Scaling Relations of Galaxies and Active Galactic Nuclei
• Adiabatic black hole growth in Sérsic models of elliptical galaxies
• The outer halos of elliptical galaxies
• Reconstructing the mass accretion histories of nearby Red Nuggets with their globular cluster systems
• Physically motivated fit to mass surface density profiles observed in galaxies
• The most massive galaxies with large depleted cores: structural parameter relations and black hole masses
• Structural evolution of quiescent galaxies at intermediate redshifts at UV and red rest-frame wavelengths
• AO Observations of Three Powerful Radio Galaxies
• A thick-disk galaxy model and simulations of equal-mass galaxy pair collisions
• DHOST gravity in Ultra-diffuse galaxies -- Part I: the case of NGC1052-DF2
• Non-solar abundance ratios trends of dEs in Fornax Cluster using newly defined high resolution indices
• Early type galaxies and structural parameters from ESO public survey KiDS