248 citations · 1.5k across the 25 of their papers we have counts for
25 papers
S-PLUS DR1 galaxy clusters and groups catalogue using PzWav
S. V. Werner, E. S. Cypriano, A. H. Gonzalez +16
We present a catalogue of 4499 groups and clusters of galaxies from the first data release of the multi-filter (5 broad, 7 narrow) Southern Photometric Local Universe Survey (S-PLU…
One hundred SMUDGes in S-PLUS: ultra-diffuse galaxies flourish in the field
C. E. Barbosa, D. Zaritsky, R. Donnerstein +19
We present the first systematic study of the stellar populations of ultra-diffuse galaxies (UDGs) in the field, integrating the large area search and characterization of UDGs by th…
The S-PLUS: a star/galaxy classification based on a Machine Learning approach
M. V. Costa-Duarte, L. Sampedro, A. Molino +32
We present a star/galaxy classification for the Southern Photometric Local Universe Survey (S-PLUS), based on a Machine Learning approach: the Random Forest algorithm. We train the…
Assessing the photometric redshift precision of the S-PLUS survey: the Stripe-82 as a test-case
A. Molino, M. V. Costa-Duarte, L. Sampedro +42
In this paper we present a thorough discussion about the photometric redshift (photo-z) performance of the Southern Photometric Local Universe Survey (S-PLUS). This survey combines…
The Southern Photometric Local Universe Survey (S-PLUS): improved SEDs, morphologies and redshifts with 12 optical filters
C. Mendes de Oliveira, T. Ribeiro, W. Schoenell +142
The Southern Photometric Local Universe Survey (S-PLUS) is imaging ~9300 deg^2 of the celestial sphere in twelve optical bands using a dedicated 0.8 m robotic telescope, the T80-So…
All-sky angular power spectra from cleaned WISESuperCOSMOS galaxy number counts
H. S. Xavier, M. V. Costa-Duarte, A. Balaguera-Antolínez +1
Aiming to extract cosmological information from linear scales of the WISESuperCOSMOS photometric redshift catalog, we perform a characterization of the systematic effects a…
J-PLUS: Identification of low-metallicity stars with artificial neural networks using SPHINX
D. D. Whitten, V. M. Placco, T. C. Beers +24
We present a new methodology for the estimation of stellar atmospheric parameters from narrow- and intermediate-band photometry of the Javalambre Photometric Local Universe Survey…
J-PLUS: analysis of the intracluster light in the Coma cluster
Y. Jiménez-Teja, R. A. Dupke, R. Lopes de Oliveira +19
The intracluster light (ICL) is a luminous component of galaxy clusters composed of stars that are gravitationally bound to the cluster potential but do not belong to the individua…
Studying galaxy troughs and ridges using Weak Gravitational Lensing with the Kilo-Degree Survey
Margot M. Brouwer, Vasiliy Demchenko, Joachim Harnois-Déraps +15
We study projected underdensities in the cosmic galaxy density field known as 'troughs', and their overdense counterparts, which we call 'ridges'. We identify these regions using a…
J-PLUS: measuring emission line fluxes in the nearby universe
R. Logroño-García, G. Vilella-Rojo, C. López-Sanjuan +29
In the present paper we aim to validate a methodology designed to extract the Halpha emission line flux from J-PLUS photometric data. J-PLUS is a multi narrow-band filter survey ca…
J-PLUS: A wide-field multi-band study of the M15 globular cluster. Evidence of multiple stellar populations in the RGB
Charles Bonatto, Ana L. Chies-Santos, Paula R. T. Coelho +21
The Javalambre Photometric Local Universe Survey (J-PLUS) provides wide field-of-view images in 12 narrow, intermediate and broad-band filters optimized for stellar photometry. Her…
J-PLUS: On the identification of new cluster members in the double galaxy cluster A2589 & A2593 using PDFs
A. Molino, M. V. Costa-Duarte, C. Mendes de Oliveira +28
We aim to use multi-band imaging from the Phase-3 Verification Data of the J-PLUS survey to derive accurate photometric redshifts (photo-z) and look for potential new members in th…
J-PLUS: Morphological star/galaxy classification by PDF analysis
C. López-Sanjuan, H. Vázquez Ramió, J. Varela +29
Our goal is to morphologically classify the sources identified in the images of the J-PLUS early data release (EDR) into compact (stars) or extended (galaxies) using a suited Bayes…
J-PLUS: The Javalambre Photometric Local Universe Survey
A. J. Cenarro, M. Moles, D. Cristóbal-Hornillos +119
J-PLUS is an ongoing 12-band photometric optical survey, observing thousands of square degrees of the Northern hemisphere from the dedicated JAST/T80 telescope at the Observatorio…
The Wind/EPACT proton event catalog (1996-2016)
Rositsa Miteva, Susan W. Samwel, Marcus V. Costa-Duarte
We present the finalized catalog of solar energetic proton events detected by Wind/EPACT instrument over the period 1996-2016. Onset times, peak times, peak proton intensity and on…
The galaxy environment in GAMA G3C groups using the Kilo Degree Survey Data Release 3
M. V. Costa-Duarte, M. Viola, A. Molino +13
We aim to investigate the galaxy environment in GAMA Galaxy Groups Catalogue (G3C) using a volume-limited galaxy sample from the Kilo Degree Survey Data Release 3. The k-Nearest Ne…
Observations of the first electromagnetic counterpart to a gravitational wave source by the TOROS collaboration
M. C. Díaz, L. M. Macri, D. Garcia Lambas +52
We present the results of prompt optical follow-up of the electromagnetic counterpart of the gravitational-wave event GW170817 by the Transient Optical Robotic Observatory of the S…
Photometric redshifts for the Kilo-Degree Survey. Machine-learning analysis with artificial neural networks
M. Bilicki, H. Hoekstra, M. J. I. Brown +24
We present a machine-learning photometric redshift analysis of the Kilo-Degree Survey Data Release 3, using two neural-network based techniques: ANNz2 and MLPQNA. Despite limited c…
Solar energetic particle catalogs: assumptions, uncertainties and validity of reports
R. Miteva, S. W. Samwel, M. V. Costa-Duarte
The aim of this work is to summarize the main underlying assumptions, simplifications and uncertainties while studying solar energetic particles (SEPs). In general, numerous defini…
A probabilistic approach to emission-line galaxy classification
R. S. de Souza, M. L. L. Dantas, M. V. Costa-Duarte +7
We invoke a Gaussian mixture model (GMM) to jointly analyse two traditional emission-line classification schemes of galaxy ionization sources: the Baldwin-Phillips-Terlevich (BPT)…
On the realistic validation of photometric redshifts, or why Teddy will never be Happy
R. Beck, C. -A. Lin, E. E. O. Ishida +5
Two of the main problems encountered in the development and accurate validation of photometric redshift (photo-z) techniques are the lack of spectroscopic coverage in feature space…
Dissecting galaxy triplets in the Sloan Digital Sky Survey Data Release 10: I. Stellar populations and emission line analysis
M. V. Costa-Duarte, A. L. O'Mill, F. Duplancic +2
We identify isolated galaxy triplets in a volume-limited sample from the Sloan Digital Sky Survey Data Release 10. Our final sample has 80 galaxy systems in the redshift range 0.04…
J-PAS: The Javalambre-Physics of the Accelerated Universe Astrophysical Survey
N. Benitez, R. Dupke, M. Moles +149
The Javalambre-Physics of the Accelerated Universe Astrophysical Survey (J-PAS) is a narrow band, very wide field Cosmological Survey to be carried out from the Javalambre Observat…
Stellar populations in superclusters of galaxies
M. V. Costa-Duarte, L. Sodre, F. Durret
A catalogue of superclusters of galaxies is used to investigate the influence of the supercluster environment on galaxy populations, considering galaxies brighter than M-21+5$…