Publications (70)
IMF shape constraints from stellar populations and dynamics from CALIFA
M. Lyubenova, I. MartÃn-Navarro, G. van de Ven +22
In this letter we describe how we use stellar dynamics information to constrain the shape of the stellar IMF in a sample of 27 early-type galaxies from the CALIFA survey. We obtain…
Imprints of galaxy evolution on H ii regions Memory of the past uncovered by the CALIFA survey
S. F. Sanchez, E. Perez, F. F. Rosales-Ortega +27
H ii regions in galaxies are the sites of star formation and thus particular places to understand the build-up of stellar mass in the universe. The line ratios of this ionized gas…
The Calar Alto Observatory: current status and future instrumentation
D. Barrado, U. Thiele, J. Aceituno +13
The Calar Alto Observatory, located at 2168m height above the sea level in continental Europe, holds a significant number of astronomical telescopes and experiments, covering a lar…
CALIFA: a diameter-selected sample for an integral field spectroscopy galaxy survey
C. J. Walcher, L. Wisotzki, S. Bekeraité +48
We describe and discuss the selection procedure and statistical properties of the galaxy sample used by the Calar Alto Legacy Integral Field Area Survey (CALIFA), a public legacy s…
Pipe3D, a pipeline to analyse integral field spectroscopy data: II. Analysis sequence and CALIFA dataproducts
S. F. Sánchez, E. Pérez, P. Sánchez-Blázquez +18
We present Pipe3D, an analysis pipeline based on the FIT3D fitting tool, devel- oped to explore the properties of the stellar populations and ionized gas of Integral Field Spectros…
A characteristic oxygen abundance gradient in galaxy disks unveiled with CALIFA
S. F. Sanchez, F. F. Rosales-Ortega, J. Iglesias-Paramo +35
We present the largest and most homogeneous catalog of HII regions and associations compiled so far. The catalog comprises more than 7000 ionized regions, extracted from 306 galaxi…
The effects of spatial resolution on Integral Field Spectrograph surveys at different redshifts. The CALIFA perspective
D. Mast, F. F. Rosales-Ortega, S. F. Sanchez +27
Over the past decade, 3D optical spectroscopy has become the preferred tool for understanding the properties of galaxies and is now increasingly used to carry out galaxy surveys. L…
Integral Field Spectroscopy of a sample of nearby galaxies. I. Sample, Observations and Data Reduction
E. Marmol-Queralto, S. F. Sanchez, R. A. Marino +6
Aims: Integral Field Spectroscopy (IFS) is a powerful approach for the study of nearby galaxies since it enables a detailed analysis of their resolved physical properties. Here we…
The O3N2 and N2 abundance indicators revisited: improved calibrations based on CALIFA and Te-based literature data
R. A. Marino, F. F. Rosales-Ortega, S. F. Sánchez +31
The use of IFS is since recently allowing to measure the emission line fluxes of an increasingly large number of star-forming galaxies both locally and at high redshift. The main g…
Understanding the chemistry of the young stellar object G29.862-0.0044
N. C. Martinez, S. Paron, D. Mast +3
In previous works, we have investigated the star-forming region G29.960.02 where the massive young stellar object (MYSO) G29.8620.0044 (hereafter G29) is embedded in a hot mo…
Nebular emission and the Lyman continuum photon escape fraction in CALIFA early-type galaxies
P. Papaderos, J. M. Gomes, J. M. Vilchez +21
We use deep integral field spectroscopy data from the CALIFA survey to study the warm interstellar medium (WIM) of 32 nearby early-type galaxies (ETGs). We propose a tentative subd…
The CALIFA view on stellar angular momentum across the Hubble sequence
J. Falcón-Barroso, G. van de Ven, M. Lyubenova +32
[Abridged] We present the apparent stellar angular momentum of 300 galaxies across the Hubble sequence, using integral-field spectroscopic data from the CALIFA survey. Adopting the…
Double nucleus in M83
D. Mast, R. J. DÃaz, M. P. Aguero
M 83 is one of the nearest galaxies with an enhanced nuclear star formation and it presents one of the best opportunities to study the kinematics and physical properties of a circu…
Effects of environment on stellar metallicity profiles of late-type galaxies in the CALIFA survey
V. Coenda, D. Mast, H. Muriel +1
We explore the effects of environment in the evolution of late-type galaxies by studying the radial profiles of light- and mass-weighted metallicities of galaxies in two discrete e…
The EDGE-CALIFA survey: the influence of galactic rotation on the molecular depletion time across the Hubble sequence
D. Colombo, V. Kalinova, D. Utomo +15
We present a kpc-scale analysis of the relationship between the molecular depletion time () and the orbital time () across the field…
Connection between the Circumnuclear Star-Forming Regions and the active nuclei in NGC 1068
I. Villicaña-Pedraza, D. Mast, A. DÃaz +3
In recent years, Circumnuclear Star Forming Regions (CNSFRs) have been studied in different frequencies and telescopes, diverse studies about connection between nuclear activity an…
Star formation in the local Universe from the CALIFA sample. II. Activation and quenching mechanisms in bulges, bars, and disks
C. Catalán-Torrecilla, A. Gil de Paz, A. Castillo-Morales +22
We estimate the current extinction-corrected H star formation rate (SFR) of the different morphological components that shape galaxies (bulges, bars, and disks). We use a multi…
Spatially resolved properties of the grand-design spiral galaxy UGC 9837: a case for high-redshift 2D observations
K. Viironen, S. F. Sanchez, E. Marmol-Queralto +8
Context. We carry out a detailed 2D study of the ionised gas in the local universe galaxy UGC9837. In nearby galaxies, like the galaxy in question here, the spatial distribution of…
Spatially-Resolved Star Formation Main Sequence of Galaxies in the CALIFA Survey
M. Cano-DÃaz, S. F. Sánchez, S. Zibetti +17
The "main sequence of galaxies" defined in terms of the total star formation rate vs. the total stellar mass is a well-studied tight relation that has been obser…
HII regions in CALIFA survey: II. The relation between their physical properties and galaxy evolution
C. Espinosa-Ponce, S. F. Sánchez, C. Morisset +5
We present in here the exploration of the physical properties of the sample of HII regions and aggregations of the last HII regions catalog of the CALIFA survey. This sample compri…
CALIFA, the Calar Alto Legacy Integral Field Area survey: Early Report
S. F. Sánchez, R. C. Kennicutt, A. Gil de Paz +8
We present the Calar Alto Legacy Integral Field Area survey (CALIFA). CALIFA's main aim is to obtain spatially resolved spectroscopic information for ~600 galaxies of all Hubble ty…
Outer-disk reddening and gas-phase metallicities: The CALIFA connection
R. A. Marino, A. Gil de Paz, S. F. Sánchez +27
We study, for the first time in a statistically significant and well-defined sample, the relation between the outer-disk ionized-gas metallicity gradients and the presence of break…
Bar pattern speeds in CALIFA galaxies: I. Fast bars across the Hubble sequence
J. A. L. Aguerri, J. Méndez-Abreu, J. Falcón-Barroso +25
The bar pattern speed () is defined as the rotational frequency of the bar, and it determines the bar dynamics. Several methods have been proposed for measuring $Ω_{\r…
No direct coupling between bending of galaxy disc stellar age and light profiles
T. Ruiz-Lara, I. Pérez, E. Florido +19
We study the stellar properties of 44 face-on spiral galaxies from the Calar Alto Legacy Integral Field Area survey via full spectrum fitting techniques. We compare the age profile…
Central star formation and metallicity in CALIFA interacting galaxies
J. K. Barrera-Ballesteros, S. F. Sánchez, B. GarcÃa-Lorenzo +15
We use optical integral-field spectroscopic (IFS) data from 103 nearby galaxies at different stages of the merging event, from close pairs to merger remnants provided by the CALIFA…
Insights on the stellar mass-metallicity relation from the CALIFA survey
R. M. González Delgado, R. Cid Fernandes, R. GarcÃa-Benito +27
We use spatially and temporally resolved maps of stellar population properties of 300 galaxies from the CALIFA integral field survey to investigate how the stellar metallicity (Z*)…
IMF - metallicity: a tight local relation revealed by the CALIFA survey
Ignacio MartÃn-Navarro, Alexandre Vazdekis, Francesco La Barbera +13
Variations in the stellar initial mass function (IMF) have been invoked to explain the spectroscopic and dynamical properties of early-type galaxies. However, no observations have…
Nearby supernova host galaxies from the CALIFA Survey: II. SN environmental metallicity
L. Galbany, V. Stanishev, A. M. Mourão +16
The metallicity of a supernova (SN) progenitor, together with its mass, is one of the main parameters that rules their outcome. We present a metallicity study of 115 nearby SN host…
CALIFA, the Calar Alto Legacy Integral Field Area survey. III. Second public data release
R. GarcÃa-Benito, S. Zibetti, S. F. Sánchez +68
This paper describes the Second Public Data Release (DR2) of the Calar Alto Legacy Integral Field Area (CALIFA) survey. The data for 200 objects are made public, including the 100…
Stellar Population gradients in galaxy discs from the CALIFA survey
P. Sanchez-Blazquez, F. Rosales-Ortega, J. Mendez-Abreu +27
While studies of gas-phase metallicity gradients in disc galaxies are common, very little has been done in the acquisition of stellar abundance gradients in the same regions. We pr…
CALIFA, the Calar Alto Legacy Integral Field Area survey: I. Survey presentation
S. F. Sanchez, R. C. Kennicutt, A. Gil de Paz +69
We present here the Calar Alto Legacy Integral Field Area (CALIFA) survey, which has been designed to provide a first step in this direction.We summarize the survey goals and desig…
The Mass-Metallicity relation explored with CALIFA: I. Is there a dependence on the star formation rate?
S. F. Sanchez, F. F. Rosales-Ortega, B. Jungwiert +40
We present the results on the study of the global and local M-Z relation based on the first data available from the CALIFA survey (150 galaxies). This survey provides integral fiel…
Towards an improvement in the spectral description of central stars of planetary nebulae
W. Weidmann, R. Gamen, D. Mast +7
Context. There are more than 3000 known Galactic planetary nebulae (PNe), but only 492 central stars of Galactic planetary nebulae (CSPN) have known spectral types. It is vital to…
Revisiting G29.862-0.0044: a jet cavity disrupted by an outflow in a likely young stellar object wide binary system
S. Paron, N. C. Martinez, M. E. Ortega +4
A few years ago, we investigated MYSO G29.862-0.0044 (YSO-G29), an intriguing star-forming region at a distance of 6.2 kpc. Although the typical disc-jet scenario was proposed to e…
CALIFA, the Calar Alto Legacy Integral Field Area survey. II. First public data release
CALIFA collaboration, B. Husemann, K. Jahnke +74
We present the first public data release of the CALIFA survey. It consists of science-grade optical datacubes for the first 100 of eventually 600 nearby (0.005<z<0.03) galaxies, ob…
Stellar kinematics across the Hubble sequence in the CALIFA survey: General properties and aperture corrections
J. Falcón-Barroso, M. Lyubenova, G. van de Ven +32
We present the stellar kinematic maps of a large sample of galaxies from the integral-field spectroscopic survey CALIFA. The sample comprises 300 galaxies displaying a wide range o…
First survey of Wolf-Rayet star populations over the full extension of nearby galaxies observed with CALIFA
D. Miralles-Caballero, A. I. DÃaz, Ã. R. López-Sánchez +19
The search of extragalactic regions with conspicuous presence of Wolf-Rayet (WR) stars outside the Local Group is challenging task due to the difficulties in detecting their faint…
Shape of the oxygen abundance profiles in CALIFA face-on spiral galaxies
L. Sánchez-Menguiano, S. F. Sánchez, I. Pérez +25
We measured the gas abundance profiles in a sample of 122 face-on spiral galaxies observed by the CALIFA survey and included all spaxels whose line emission was consistent with sta…
A new scaling relation for HII regions in spiral galaxies: unveiling the true nature of the mass-metallicity relation
F. F. Rosales-Ortega, S. F. Sánchez, J. Iglesias-Páramo +5
We demonstrate the existence of a -local- relation between galaxy surface mass density, gas metallicity, and star-formation rate density using spatially-resolved optical spectrosco…
Photoionization models of the CALIFA HII regions. I. Hybrid models
C. Morisset, G. Delgado-Inglada, S. F. Sánchez +7
Photoionization models of HII regions require as input a description of the ionizing SED and of the gas distribution, in terms of ionization parameter U and chemical abundances (e.…
Catalogue of central stars of planetary nebulae: Expanded edition
W. A. Weidmann, M. B. Mari, E. O. Schmidt +7
Planetary nebulae represent a potential late stage of stellar evolution, however the central stars (CSPNe) are relatively faint and therefore pertinent information is merely availa…
HII regions in the CALIFA survey: I. Catalog presentation
C. Espinosa-Ponce, S. F. Sánchez, C. Morisset +5
We present a new catalog of HII regions based on the integral field spectroscopy (IFS) data of the extended CALIFA and PISCO samples. The selection of HII regions was based on two…
Circumnuclear rings and Lindblad resonances in spiral galaxies
E. O. Schmidt, D. Mast, R. Diaz +5
In order to study the location of circumnuclear rings (CNR) and their possible relation with the inner Lindblad resonances (ILR), we investigate a sample of spiral galaxies. For th…
PyCosmic: a robust method to detect cosmics in CALIFA and other fiber-fed integral-field spectroscopy datasets
B. Husemann, S. Kamann, C. Sandin +3
[Abridged] Detecting cosmic ray hits (cosmics) in fiber-fed IFS data of single exposures is a challenging task, because of the complex signal recorded by IFS instruments. Existing…
Observational hints for radial migration in disc galaxies from CALIFA
T. Ruiz-Lara, I. Pérez, E. Florido +22
Context: According to numerical simulations, stars are not always kept at their birth galactocentric distances but migrate. The importance of this radial migration in shaping galac…
Tracing kinematic (mis)alignments in CALIFA merging galaxies: Stellar and ionized gas kinematic orientations at every merger stage
J. K. Barrera-Ballesteros, B. GarcÃa-Lorenzo, J. Falcón-Barroso +27
We present spatially resolved stellar and/or ionized gas kinematic properties for a sample of 103 interacting galaxies, tracing all merger stages: close companions, pairs with morp…
The ionized gas in the CALIFA early-type galaxies I. Mapping two representative cases: NGC 6762 and NGC 5966
C. Kehrig, A. Monreal-Ibero, P. Papaderos +18
As part of the CALIFA survey, we conducted a thorough 2D analysis of the ionized gas in two E/S0 galaxies, NGC6762 and NGC5966, aiming to shed light on the nature of their warm ion…
The star formation history of CALIFA galaxies: Radial structures
R. M. González Delgado, E. Pérez, R. Cid Fernandes +24
We study the radial structure of the stellar mass surface density () and stellar population age as a function of the total stellar mass and morphology for a sample of 107 galax…
Evolution of the chemical enrichment and the Mass-Metallicity relation in CALIFA galaxies
A. Camps-Fariña, S. F. Sanchez, E. A. D. Lacerda +4
We use fossil record techniques on the CALIFA sample to study how galaxies in the local universe have evolved in terms of their chemical content. We show how the metallicity and th…
Resolving galaxies in time and space: I: Applying STARLIGHT to CALIFA data cubes
R. Cid Fernandes, E. Perez, R. Garcia Benito +8
Fossil record methods based on spectral synthesis techniques have matured over the past decade, and their application to integrated galaxy spectra fostered substantial advances on…
Star Formation in the Local Universe from the CALIFA sample. I. Calibrating the SFR using IFS data
C. Catalán-Torrecilla, A. Gil de Paz, A. Castillo-Morales +24
The Star Formation Rate (SFR) is one of the main parameters used to analyze the evolution of galaxies through time. The need for recovering the light reprocessed by dust commonly r…
Resolving galaxies in time and space: II: Uncertainties in the spectral synthesis of datacubes
R. Cid Fernandes, R. M. Gonzalez Delgado, R. Garcia Benito +11
In a companion paper we have presented many products derived from the application of the spectral synthesis code STARLIGHT to datacubes from the CALIFA survey, including 2D maps of…
Nearby supernova host galaxies from the CALIFA Survey: I. Sample, data analysis, and correlation to star-forming regions
L. Galbany, V. Stanishev, A. M. Mourão +25
[Abridged] We use optical IFS of nearby SN host galaxies provided by the CALIFA Survey with the goal of finding correlations in the environmental parameters at the location of diff…
The evolution of galaxies resolved in space and time: an inside-out growth view from the CALIFA survey
E. Pérez, R. Cid Fernandes, R. M. González Delgado +13
The growth of galaxies is one of the key problems in understanding the structure and evolution of the universe and its constituents. Galaxies can grow their stellar mass by accreti…
Signatures of AGN induced metal loss in the stellar population
A. Camps-Fariña, S. F. Sanchez, L. Carigi +5
One way the AGN are expected to influence the evolution of their host galaxies is by removing metal content via outflows. In this article we present results that show that AGN can…
Aperture effects on the oxygen abundance determinations from CALIFA data
J. Iglesias-Páramo, J. M. VÃlchez, F. F. Rosales-Ortega +23
This paper aims at providing aperture corrections for emission lines in a sample of spiral galaxies from the Calar Alto Legacy Integral Field Area Survey (CALIFA) database. In part…
The CALIFA survey across the Hubble sequence: Spatially resolved stellar population properties in galaxies
R. M. González Delgado, R. GarcÃa-Benito, E. Pérez +32
This paper characterizes the radial structure of stellar population properties of galaxies in the nearby universe, based on 300 galaxies from the CALIFA survey. The sample covers a…
Ionized gas kinematics of galaxies in the CALIFA survey I: Velocity fields, kinematic parameters of the dominant component, and presence of kinematically distinct gaseous systems
B. Garcia-Lorenzo, I. Marquez, J. K. Barrera-Ballesteros +29
This work provides an overall characterization of the kinematic behavior of the ionized gas of the galaxies included in the Calar Alto Legacy Integral field Area (CALIFA), offering…
Studying a precessing jet of a massive young stellar object within a chemically rich region
S. Paron, D. Mast, C. Fariña +4
In addition to the large surveys and catalogs of massive young stellar objects and outflows, dedicated studies of particular sources, in which high-angular observations (mainly at…
A unified scenario for the origin of spiral and elliptical galaxy structural scaling laws
I. Ferrero, J. F. Navarro, M. G. Abadi +2
Elliptical (E) and spiral (S) galaxies follow tight, but different, scaling laws that link their stellar masses, radii, and characteristic velocities. Mass and velocity, for exampl…
Effects of environment on sSFR profiles of late-type galaxies in the CALIFA survey
V. Coenda, D. Mast, H. J. MartÃnez +2
We explore the effects of environment on star formation in late-type galaxies by studying the dependence of the radial profiles of specific star formation rate (sSFR) on environmen…
Aperture corrections for disk galaxy properties derived from the CALIFA survey. Balmer emission lines in spiral galaxies
J. Iglesias-Páramo, J. M. VÃlchez, L. Galbany +37
This work investigates the effect of the aperture size on derived galaxy properties for which we have spatially-resolved optical spectra. We focus on some indicators of star format…
CALIFA, the Calar Alto Legacy Integral Field Area survey: IV. Third Public data release
S. F. Sánchez, R. GarcÃa-Benito, S. Zibetti +60
This paper describes the Third Public Data Release (DR3) of the Calar Alto Legacy Integral Field Area (CALIFA) survey. Science-grade quality data for 667 galaxies are made public,…
VICS82: the VISTA-CFHT Stripe 82 near-infrared survey
J. E. Geach, Y-T. Lin, M. Makler +14
We present the VISTA-CFHT Stripe 82 (VICS82) survey: a near-infrared (J+Ks) survey covering 150 square degrees of the Sloan Digital Sky Survey (SDSS) equatorial Stripe 82 to an ave…
Arm and interarm abundance gradients in CALIFA spiral galaxies
L. Sánchez-Menguiano, S. F. Sánchez, I. Pérez +23
Spiral arms are the most singular features in disc galaxies. These structures can exhibit different patterns, namely grand design and flocculent arms, with easily distinguishable c…
Star formation along the Hubble sequence: Radial structure of the star formation of CALIFA galaxies
R. M. González Delgado, R. Cid Fernandes, E. Pérez +21
The aim of this paper is to characterize the radial structure of the star formation rate (SFR) in galaxies in the nearby Universe as represented by the CALIFA survey. The sample un…
The nature of LINER galaxies: Ubiquitous hot old stars and rare accreting black holes
R. Singh, G. van de Ven, K. Jahnke +19
Galaxies, which often contain ionised gas, sometimes also exhibit a so-called low-ionisation nuclear emission line region (LINER). For 30 years this was attributed to a central mas…
Integral field spectroscopy of a sample of nearby galaxies: II. Properties of the H ii regions
S. F. Sanchez, F. F. Rosales-Ortega, R. A. Marino +17
In this work we analyze the spectroscopic properties of a large number of H ii regions, \sim2600, located in 38 galaxies. The sample of galaxies has been assembled from the face-on…
Kinematic alignment of non-interacting CALIFA galaxies: Quantifying the impact of bars on stellar and ionised gas velocity field orientations
J. K. Barrera-Ballesteros, J. Falcón-Barroso, B. GarcÃa-Lorenzo +20
We present 80 stellar and ionised gas velocity maps from the Calar Alto Legacy Integral Field Area (CALIFA) survey in order to characterize the kinematic orientation of non-interac…
The incidence of bar-like kinematic flows in CALIFA galaxies
L. Holmes, K. Spekkens, S. F. Sánchez +8
We carry out a direct search for bar-like non-circular flows in intermediate-inclination, gas-rich disk galaxies with a range of morphological types and photometric bar classificat…