activity
20002025
most citedEvidence for a New Elliptical-Galaxy Paradigm: Sersic and Core Galaxies

238 citations · 529 across the 9 of their papers we have counts for

collaborators

9 papers

astro-ph.GA2025

An accurate measure of the size of dark matter halos using the size of galaxies

Claudio Dalla Vecchia, Ignacio Trujillo

The physically motivated definition of galaxy size proposed recently, linked to the farther location of the in situ star formation, considerably reduces the scatter of the galaxy m…

astro-ph.CO2010★ 53 cited

Gemini K-band NIRI Adaptive Optics Observations of Massive Galaxies at 1 < z < 2

Eleazar R. Carrasco, Christopher J. Conselice, I. Trujillo

We present deep K-band adaptive-optics observations of eight very massive (M* ~ 4 x 10^11 Msun) galaxies at 1 < z < 2 utilizing the Gemini NIRI/Altair Laser Guide System. These sys…

astro-ph.GA2010

Outskirts of spiral galaxies: result of a secular evolution process?

J. Bakos, I. Trujillo, R. Azzollini +2

We present our recent results on the properties of the outskirts of disk galaxies. In particular, we focus on spiral galaxies with stellar disk truncations in their radial surface…

astro-ph2004★ 238 cited

Evidence for a New Elliptical-Galaxy Paradigm: Sersic and Core Galaxies

I. Trujillo, Peter Erwin, A. Asensio Ramos +1

We fit the surface-brightness profiles of 21 elliptical galaxies using both the Sersic function and a new empirical model which combines an inner power law with an outer Sersic fun…

astro-ph2002★ 27 cited

A Correlation between Light Concentration and Cluster Local Density for Elliptical Galaxies

I. Trujillo, J. A. L. Aguerri, C. M. Gutierrez +2

Using photometric and redshift data for the Virgo and Coma clusters, we present evidence for a correlation between the light concentration of elliptical galaxies (including dwarf e…

astro-ph2002★ 22 cited

Restrictions to the galaxy evolutionary models from the Hawaiian Deep Fields SSA13 and SSA22

J. A. L. Aguerri, I. Trujillo

Quantitative structural analysis of the galaxies present in the Hawaiian Deep Fields SSA13 and SSA22 is reported. The structural parameters of the galaxies have been obtained autom…

astro-ph2002★ 71 cited

Triaxial stellar systems following the r^{1/n} luminosity law: an analytical mass-density expression, gravitational torques and the bulge/disc interplay

I. Trujillo, A. Asensio Ramos, J. A. Rubino-Martin +4

We have investigated the structural and dynamical properties of triaxial stellar systems whose surface brightness profiles follow the r^{1/n} luminosity law - extending the analysi…

astro-ph2001★ 37 cited

Quantitative Morphology of the Intermediate-Redshift Galaxy Cluster Abell 2443 from Ground-Based Imaging -- Evidence for a galaxy concentration index correlation with cluster density

I. Trujillo, J. A. L. Aguerri, C. M. Gutierrez +1

We present broad-band photometry and provide a quantitative analysis of the structure of galaxies in the inner region of the Abell Cluster 2443 (z~0.1). The galaxy parameters have…

astro-ph2000★ 81 cited

The effects of seeing on Sersic profiles

I. Trujillo, J. A. L. Aguerri, J. Cepa +1

The effects of seeing on the parameters of the Sèrsic profile are studied in an analytical form using a Gaussian point spread function. The surface brightness of Sèrsic profiles is…