C. Furlanetto
A5056825025- Galaxies: Formation, Evolution, Phenomena
- Astronomy and Astrophysical Research
- Stellar, planetary, and galactic studies
- Gamma-ray bursts and supernovae
- Astrophysics and Star Formation Studies
- Astronomical Observations and Instrumentation
- Astrophysics and Cosmic Phenomena
- Cosmology and Gravitation Theories
- Astrophysical Phenomena and Observations
- CCD and CMOS Imaging Sensors
- Radio Astronomy Observations and Technology
- Impact of Light on Environment and Health
- Calibration and Measurement Techniques
- Adaptive optics and wavefront sensing
- Pulsars and Gravitational Waves Research
- Relativity and Gravitational Theory
- Advanced Neural Network Applications
- Anomaly Detection Techniques and Applications
- Domain Adaptation and Few-Shot Learning
- Advanced Mathematical Theories
- Gaussian Processes and Bayesian Inference
- Algorithms and Data Compression
- Space Satellite Systems and Control
- Advanced Mathematical Theories and Applications
- GNSS positioning and interference
Universidade Federal do Rio Grande do Sul
2013-2025
Universidade Federal do Rio Grande
2022
University of Nottingham
2014-2020
Coordenação de Aperfeicoamento de Pessoal de Nível Superior
2015-2020
Ministry of Education
2015-2020
Cardiff University
2018
National Center for Supercomputing Applications
2016
Cerro Tololo Inter-American Observatory
2016
University of Valparaíso
2016
Laboratório Interinstitucional de e-Astronomia
2012-2015
We present the first major data release of largest single key-project in area carried out open time with Herschel Space Observatory. The Astrophysical Terahertz Large Area Survey (H-ATLAS) is a survey 600 deg^2 five photometric bands - 100, 160, 250, 350 and 500 um PACS SPIRE cameras. In this paper companion (Bourne et al. 2016) we three fields on celestial equator, covering total 161.6 previously observed Galaxy Mass Assembly (GAMA) spectroscopic survey. This describes images catalogues...
We present a sample of 80 candidate strongly lensed galaxies with flux density above 100mJy at 500{\mu}m extracted from the Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS), over an area 600 square degrees. Available imaging and spectroscopic data allow us to confirm strong lensing in 20 cases reject it one case. For other 8 objects scenario is supported by presence two sources along same line sight distinct photometric redshifts. The remaining await more follow-up observations...
We have modelled Atacama Large Millimeter/sub-millimeter Array (ALMA) long baseline imaging of the strong gravitational lens system H-ATLAS J090311.6+003906 (SDP.81). reconstructed distribution band 6 and 7 continuum emission in z=3.042 source we determined its kinematic properties by reconstructing CO(5-4) CO(8-7) line bands 4 6. The reveals a highly non-uniform dust with clumps on scales 200 pc. In contrast, CO shows relatively smooth, disk-like velocity field which is well fit rotating...
We exploit long-baseline ALMA sub-mm observations of the lensed star-forming galaxy SDP 81 at z=3.042 to investigate properties inter-stellar medium on scales 50-100pc. The kinematics CO gas within this system are well described by a rotationally-supported disk with an inclination-corrected rotation speed, v=320+/-20km/s and dynamical mass M=(3.5+/-1.0)x10^10Mo radius 1.5 kpc. is rich unstable, Toomre parameter, Q=0.30+/-0.10 so should collapse in regions Jeans length L_J~130pc. identify...
This paper is the second in a pair of articles presenting data release 1 (DR1) Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS), largest single open-time key project carried out with Space Observatory. The H-ATLAS wide-area imaging survey five photometric bands at 100, 160, 250, 350 and 500$μ$m covering total area 600deg$^2$. In this we describe identification optical counterparts to submillimetre sources DR1, comprising an 161 deg$^2$ over three equatorial fields roughly...
We investigate the mean star formation rates (SFRs) in host galaxies of ∼3000 optically selected quasi-stellar objects (QSOs) from Sloan Digital Sky Survey within Herschel-ATLAS fields, and a radio-luminous subsample covering redshift range z = 0.2–2.5. Using Wide-field Infrared Explorer (WISE) Herschel photometry (12–500 μm) we construct composite spectral energy distributions (SEDs) bins active galactic nucleus (AGN) luminosity. perform SED fitting to measure infrared luminosity due...
Abstract We report the results of searches for strong gravitational lens systems in Dark Energy Survey (DES) Science Verification and Year 1 observations. The data span approximately 250 sq. deg. with a median i -band limiting magnitude extended objects (10 σ ) 23.0. 2000 have an 22.9. As these sets are both wide deep, they particularly useful identifying candidates. Potential candidate were initially identified based on color selection DES object catalogs or because system is at location...
We present the properties of first 250 μm blind sample nearby galaxies (15 < D 46 Mpc) containing 42 objects from Herschel Astrophysical Terahertz Large Area Survey. Herschel's sensitivity probes faint end dust luminosity function for time, spanning a range stellar mass (7.4 M⋆ 11.3 log10 M⊙), star formation activity (−11.8 SSFR −8.9 yr−1), gas fraction (3–96 per cent), and colour (0.6 FUV–KS 7.0 mag). The median cold temperature is 14.6 K, colder than in Reference Survey (18.5 K) Planck...
We present a study of the dust, stars and atomic gas (HI) in an HI-selected sample local galaxies (z<0.035) Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS) fields. This reveals population very high fraction (>80 per cent), low stellar mass sources that appear to be earliest stages their evolution. compare this with dust selected samples scaling relations over wide range (proxy for evolutionary state galaxy). The most robust are those linked NUV-r (SSFR) fraction, these do not...
We present the Herschel Bright Sources (HerBS) sample, a sample of bright, high-redshift sources detected in 616.4 deg2Herschel Astrophysical Terahertz Large Area Survey. The HerBS contains 209 galaxies, selected with 500 μm flux density greater than 80 mJy and an estimated redshift 2. consists combination hyperluminous infrared galaxies lensed ultraluminous during epoch peak cosmic star formation. In this paper, we Submillimetre Common-User Bolometer Array 2 (SCUBA-2) observations at 850...
We have modelled high resolution ALMA imaging of six strong gravitationally lensed galaxies detected by the Herschel Space Observatory. Our modelling recovers mass properties lensing and, determining magnification factors, intrinsic sub-millimetre sources. find that all ratios star formation rate to dust mass, consistent with or higher than mean ratio for redshift and low ultra-luminous infra-red galaxies. Source reconstruction reveals most exhibit disturbed morphologies. Both cleaned image...
We present the calibration between dust continuum luminosity and interstellar gas content obtained from Valpara\'{i}so ALMA Line Emission Survey (VALES) sample of 67 main-sequence star-forming galaxies at 0.02<$z$<0.35. use CO(1-0) observations Atacama Large Millimetre/submillimetre Array (ALMA) to trace molecular mass, $M_{\mathrm{H}_{2}}$, estimate rest-frame monochromatic 850 $\mu$m, $L_{\nu_{850}}$, by extrapolating MAGPHYS modelling far-ultraviolet submillimetre spectral energy...
Submillimeter galaxies (SMGs) at $z\gtrsim1$ are luminous in the far-infrared and have star-formation rates, SFR, of hundreds to thousands solar masses per year. However, it is unclear whether they true analogs local ULIRGs or mode their star formation more similar that disk galaxies. We target these questions by using Herschel-PACS examine conditions interstellar medium (ISM) SMGs z~1-4. present 70-160 micron photometry spectroscopy [OIV]26 micron, [FeII]26 [SIII]33 [SiII]34 [OIII]52...
The Herschel Space Observatory has revealed a very different galaxyscape from that shown by optical surveys which presents challenge for galaxy-evolution models. reveal (1) there was rapid galaxy evolution in the recent past and (2) galaxies lie on single Galaxy Sequence (GS) rather than star-forming `main sequence' separate region of `passive' or `red-and-dead' galaxies. form GS is now clearer because far-infrared such as ATLAS pick up population optically-red would have been classified...
The Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS) is a survey of 660 deg2 with the PACS and SPIRE cameras in five photometric bands: 100, 160, 250, 350, 500 μm. This second three papers describing data release for large fields at south north Galactic poles (NGP SGP). In this paper we describe catalogs far-infrared submillimeter sources NGP SGP, which cover 177.1 303.4 deg2, respectively. contain 118,908 field 193,527 SGP detected more than 4σ significance any or μm bands....
Abstract Strong gravitational lensing and stellar dynamics are independent powerful methods to probe the total potential of galaxies, thus, their mass profile. However, inherent degeneracies in individual models makes it difficult obtain a full understanding distribution baryons dark matter (DM), although such might be broken by combination these two tracers, leading more reliable measurements lens galaxy. We use mock data from IllustrisTNG50 compare how dynamical-only, lens-only, joint...
We present Keck-Adaptive Optics and Hubble Space Telescope high resolution near-infrared (IR) imaging for 500 um-bright candidate lensing systems identified by the Herschel Multi-tiered Extra-galactic Survey (HerMES) Astrophysical Terahertz (H-ATLAS). Out of 87 candidates with near-IR imaging, 15 (~17%) display clear morphologies. lens models to reconstruct recover basic rest-frame optical morphological properties background galaxies from 12 new systems. Sources largest magnification factors...
Interstellar dust in galaxies can be traced either through its extinction effects on the star light or thermal emission at infrared wavelengths. Recent radiative transfer studies of several nearby edge-on have found an apparent inconsistency energy balance: models that successfully explain optical underestimate observed fluxes by average factor 3. We investigate balance for IC 4225 and NGC 5166, two spiral Herschel Space Observatory frame H-ATLAS survey. start from which were constrained...
The galaxies found in optical surveys fall two distinct regions of a diagram colour versus absolute magnitude: the red sequence and blue cloud with green valley between. We show that submillimetre survey have almost opposite distribution this diagram, forming `green mountain'. these distinctive distributions follow naturally from single, continuous, curved Galaxy Sequence specific star-formation rate stellar mass without there being need for separate star-forming galaxy Main region passive...
We present an extragalactic survey using observations from the Atacama Large Millimeter/submillimeter Array (ALMA) to characterize galaxy populations up z = 0.35: Valparaíso ALMA Line Emission Survey (VALES). use Band-3 CO(1–0) study molecular gas content in a sample of 67 dusty normal star-forming galaxies selected Herschel Astrophysical Terahertz Area (H-ATLAS). have spectrally detected 49 at >5σ significance and 12 others are seen low stacked spectra. CO luminosities range (0.03–1.31) ×...
The Dark Energy Survey (DES) is an operating optical survey aimed at understanding the accelerating expansion of universe using four complementary methods: weak gravitational lensing, galaxy cluster counts, baryon acoustic oscillations, and Type Ia supernovae. To perform 5000 sq-degree wide field 30 supernova surveys, DES Collaboration built Camera (DECam), a 3 square-degree, 570-Megapixel CCD camera that was installed prime focus Blanco 4-meter telescope Cerro Tololo Inter-American...
We present ALMA and VLA detections of the dense molecular gas tracers HCN, HCO$^+$ HNC in two lensed, high-redshift starbursts selected from {\it Herschel}-ATLAS survey: H}-ATLAS\,J090740.0$-$004200 (SDP.9, $z \sim 1.6$) H}-ATLAS\,J091043.1$-$000321 (SDP.11, 1.8$). observed $J = 3-2$ transitions both sources, while 1-0$ SDP.9. have detected all HCN lines SDP.9 SDP.11, also HNC(3--2) The amplification factors for galaxies been determined sub-arcsec resolution CO dust emission observations...
We explore the behaviour of [C ii] λ157.74 μm forbidden fine-structure line observed in a sample 28 galaxies selected from ∼ 50 deg2 Herschel-Astrophysical Terahertz Large Area Survey survey. The is restricted to with flux densities higher than S160 > 150 mJy and optical spectra Galaxy Mass Assembly survey at 0.02 < z 0.2. Far-IR centred on this redshifted were taken Photodetector Array Camera Spectrometer instrument on-board Herschel Space Observatory. span 10 log(LIR/L⊙) 12 (where LIR ≡...
Abstract We present the largest submillimeter images that have been made of extragalactic sky. The Herschel Astrophysical Terahertz Large Area Survey ( H -ATLAS) is a survey 660 deg 2 with PACS and SPIRE cameras in five photometric bands: 100, 160, 250, 350, 500 μ m. In this paper we from our two fields, which account for ∼75% survey. first field 180.1 size, centered on north Galactic pole (NGP), second 317.6 south pole. NGP serendipitously contains Coma cluster. Over most (∼80%) images,...
An unambiguous manifestation of the magnification bias is cross-correlation between two source samples with non-overlapping redshift distributions. In this work we measure and study signal a foreground sample GAMA galaxies spectroscopic redshifts in range 0.2<z<0.8, background H-ATLAS photometric ≳1.2. It constitutes substantial improvement over measurements made by Gonzalez-Nuevo et al. (2014) updated catalogues wider area (with S/N≳ 5 below 10 arcmin reaching S/N∼ 20 30 arcsec). The better...