J. A. Rubiño-Martín
A5106483637- Galaxies: Formation, Evolution, Phenomena
- Cosmology and Gravitation Theories
- Radio Astronomy Observations and Technology
- Astrophysics and Cosmic Phenomena
- Astrophysics and Star Formation Studies
- Dark Matter and Cosmic Phenomena
- Stellar, planetary, and galactic studies
- Astronomy and Astrophysical Research
- Superconducting and THz Device Technology
- Scientific Research and Discoveries
- Solar and Space Plasma Dynamics
- Gamma-ray bursts and supernovae
- Geophysics and Gravity Measurements
- Astrophysical Phenomena and Observations
- Astronomical Observations and Instrumentation
- Atmospheric Ozone and Climate
- Calibration and Measurement Techniques
- Radioactive Decay and Measurement Techniques
- Adaptive optics and wavefront sensing
- Relativity and Gravitational Theory
- Particle physics theoretical and experimental studies
- Pulsars and Gravitational Waves Research
- Precipitation Measurement and Analysis
- Spectroscopy and Laser Applications
- Astro and Planetary Science
Instituto de Astrofísica de Canarias
2015-2024
Universidad de La Laguna
2015-2024
Stockholm University
2024
National Institute of Standards and Technology
2024
Campbell Collaboration
2023
Brookhaven National Laboratory
2022
High Energy Accelerator Research Organization
2020
University of California, Berkeley
2018
Centre National de la Recherche Scientifique
2018
Aix-Marseille Université
2018
We present cosmological results from the final galaxy clustering data set of Baryon Oscillation Spectroscopic Survey, part Sloan Digital Sky Survey III. Our combined sample comprises 1.2 million massive galaxies over an effective area 9329 deg^2 and volume 18.7 Gpc^3, divided into three partially overlapping redshift slices centred at redshifts 0.38, 0.51, 0.61. measure angular diameter distance DM Hubble parameter H baryon acoustic oscillation (BAO) method after applying reconstruction to...
We derive constraints on cosmological parameters and tests of dark energy models from the combination baryon acoustic oscillation (BAO) measurements with cosmic microwave background (CMB) Type Ia supernova (SN) data. take advantage high-precision BAO galaxy clustering Ly-alpha forest (LyaF) in BOSS survey SDSS-III. data alone yield a high confidence detection energy, CMB angular scale they further imply nearly flat universe. Combining SN into an "inverse distance ladder" yields 1.7%...
Voyage 2050 White Paper highlighting the unique science opportunities using spectral distortions of cosmic microwave background (CMB). CMB probe many processes throughout history Universe. Precision spectroscopy, possible with existing technology, would provide key tests for expected within cosmological standard model and open an enormous discovery space to new physics. This offers scientific furthering our understanding inflation, recombination, reionization structure formation as well dark...
We obtain constraints on cosmological parameters from the spherically averaged redshiftspace correlation function of CMASS Data Release 9 (DR9) sample Baryonic Oscillation Spectroscopic Survey (BOSS).We combine this information with additional data recent cosmic microwave background (CMB), supernova and baryon acoustic oscillation measurements.Our results show no significant evidence deviations standard flat cold dark matter model, whose basic can be specified by m = 0.285 ± 0.009, 100 b...
In this paper we present the Low Frequency Instrument (LFI), designed and developed as part of Planck space mission, ESA program dedicated to precision imaging cosmic microwave background (CMB). Planck-LFI will observe full sky in intensity polarisation three frequency bands centred at 30, 44 70 GHz, while higher frequencies (100-850 GHz) be covered by HFI instrument. The LFI is an array radiometers based on state-of-the-art Indium Phosphide cryogenic HEMT amplifiers implemented a...
We forecast the main cosmological parameter constraints achievable with CORE space mission which is dedicated to mapping polarisation of Cosmic Microwave Background (CMB). was recently submitted in response ESA's fifth call for medium-sized proposals (M5). Here we report results from our pre-submission study impact various instrumental options, particular telescope size and sensitivity level, review great, transformative potential as proposed. Specifically, assess on a broad range...
With the largest spectroscopic galaxy survey volume drawn from SDSS-III Baryon Oscillation Spectroscopic Survey (BOSS), we can extract cosmological constraints measurements of redshift and geometric distortions at quasi-linear scales (e.g. above 50 h−1 Mpc). We analyse broad-range shape monopole quadrupole correlation functions BOSS Data Release 12 (DR12) CMASS sample, effective z = 0.59, to obtain on Hubble expansion rate H(z), angular- diameter distance DA(z), normalized growth f(z)σ8(z),...
ABSTRACT We present QUIJOTE intensity and polarization maps in four frequency bands centred around 11, 13, 17, 19 GHz, covering approximately 29 000 deg2, including most of the northern sky region. These result from 9000 h observations taken between May 2013 June 2018 with first multifrequency instrument (MFI), have angular resolutions 1°, sensitivities within range 35–40 µK per 1° beam, being a factor ∼2–4 worse intensity. discuss data processing pipeline employed, basic characteristics...
We discuss the discovery potential of Dark-photons & Axion-Like particles Interferometer in this paper. The apparatus, currently a design and prototyping phase, will probe axion dark matter from Teide Observatory, an environment protected terrestrial microwave sources, reaching Dine-Fischler-Srednicki-Zhitnitsky-like sensitivity range <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mrow><a:mn>25</a:mn><a:mi>–</a:mi><a:mn>250</a:mn><a:mtext> </a:mtext><a:mtext>...
We present deep Ka-band (ν≈ 33 GHz) observations of the cosmic microwave background (CMB) made with extended Very Small Array (VSA). This configuration produces a naturally weighted synthesized FWHM beamwidth ∼11 arcmin, which covers an ℓ range 300 to 1500. On these scales, foreground extragalactic sources can be major source contamination CMB anisotropy. problem has been alleviated by identifying at 15 GHz Ryle Telescope and then monitoring using single-baseline interferometer collocated...
Primordial magnetic fields (PMF) damp at scales smaller than the photon diffusion and free-streaming scale. This leads to heating of ordinary matter (electrons baryons), which affects both thermal ionization history our Universe. Here, we study effect due ambipolar decaying turbulence. We find that changes computed with recfast are significantly overestimated when compared CosmoRec. The main physical reason for difference is photoionization coefficient has be evaluated using radiation...
Lensing of the CMB is now a well-developed probe large-scale clustering over broad range redshifts. By exploiting non-Gaussian imprints lensing in polarization CMB, CORE mission can produce clean map deflections nearly full-sky. The number high-S/N modes this will exceed current maps by factor 40, and measurement be sample-variance limited on all scales where linear theory valid. Here, we summarise product discuss science that it enable. For example, summed mass neutrinos determined to an...
In this paper, we present Q-U-I JOint Tenerife Experiment (QUIJOTE) 10–20 GHz observations (194 h in total over ≈250 deg2) intensity and polarisation of G159.6-18.5, one the most widely studied regions harbouring anomalous microwave emission (AME). By combining with other publicly available data, achieve precise spectrum AME measured to date an individual region, 13 independent data points between 10 50 being dominated by emission. The four QUIJOTE provide first confirmation downturn at low...
Abstract This work is part of a series papers describing in detail the design and characterization LSPE-Strip , microwave telescope operating Q- W-bands which foreseen to be installed at Observatorio del Teide Tenerife. The paper aims describe Pointing Reconstruction Model (PRM) prototype Star Tracker, will mounted on . reconstruction crucial step deriving sky maps foreground emissions. PRM charge integrating information instantaneous attitude provided by control system, encoded two angles,...
We present direct evidence for anomalous microwave emission in the Perseus molecular cloud, which shows a clear rising spectrum from 11 to 17 GHz data COSMOSOMAS experiment. By extending frequency coverage using W ilkinson Microwave Anisotropy Probe maps convolved with scanning pattern, we reveal peak flux density of 42 ± 4 Jy at 22 integrated over an extended area 165 × 10 centered on R.A. = 554 01 and decl. +318 (J2000). The that measure this is nearly order magnitude higher than can be...
We have observed the cosmic microwave background (CMB) in three regions of sky using Very Small Array (VSA) an extended configuration with antennas beamwidth 2° at 34 GHz. Combined data from previous VSA observations a more compact array larger beamwidth, we measure power spectrum primordial CMB anisotropies between angular multipoles ℓ= 160 and 1400. Such measurements high ℓ are vital for breaking degeneracies parameter estimation other cosmological data. The clearly resolves first acoustic...
We compute the spectral distortions of cosmic microwave background (CMB) arising during epoch cosmological hydrogen recombination within standard (concordance) model for frequencies in range 1–3500 GHz. follow evolution populations levels including states up to principle quantum number n= 30 redshift 500 ≤z≤ 3500. All angular momentum substates are treated individually, resulting a total 465 levels. The matter temperature and fraction electrons coming from He ii also included. present...
The main goal of this work is to calculate the contributions bound-bound transitions helium cosmological recombination spectrum. We show that in early Universe causes unique features appear total These may provide a observational possibility determine relative abundance primordial helium, well before formation first stars. include effect tiny fraction neutral hydrogen atoms on dynamics He II I at redshifts z ~ 2500. As discussed recently, process significantly accelerates recombination,...
[Abridged] We use our most recent training set for the RICO code to estimate impact of recombination uncertainties on posterior probability distributions which will be obtained from future CMB experiments, and in particular Planck satellite. Using a MCMC analysis sample distribution cosmological parameters, we find that have biases -0.7, -0.3 -0.4 sigmas n_S, Omega_b h2 log(As), respectively, minimal 6-parameter LCDM model, if description history given by is not used. The remaining...
We present Q-U-I JOint TEnerife (QUIJOTE) intensity and polarisation maps at 10-20 GHz covering a region along the Galactic plane 24<l<45 deg, |b|<8 deg. These result from 210 h of data, have sensitivity in ~40 muK/beam an angular resolution ~1 Our data are crucial to confirm presence anomalous microwave emission (AME) towards two molecular complexes W43 (22 sigma) W47 (8 sigma). also detect high significance (6 AME associated with W44, first clear detection this SNR. The new QUIJOTE...
The QUIJOTE (Q-U-I JOint Tenerife) CMB Experiment will operate at the Teide Observatory with aim of characterizing polarisation and other processes Galactic extragalactic emission in frequency range 10-40GHz large medium angular scales. first two telescopes multi-frequency (10-30GHz) instrument are already built have been tested laboratory. QUIJOTE-CMB be a valuable complement low frequencies for Planck mission, required sensitivity to detect primordial gravitational-wave component if...
We analyse the broad-range shape of monopole and quadrupole correlation functions BOSS Data Release 12 (DR12) CMASS LOWZ galaxy sample to obtain constraints on Hubble expansion rate $H(z)$, angular-diameter distance $D_A(z)$, normalised growth $f(z)\sigma_8(z)$, physical matter density $\Omega_mh^2$. adopt wide flat priors all model parameters in order ensure results are those a `single-probe' clustering analysis. also marginalise over three nuisance terms that account for potential...
Abstract We present a catalog of 4195 optically confirmed Sunyaev–Zel’dovich (SZ) selected galaxy clusters detected with signal-to-noise ratio >4 in 13,211 deg 2 sky surveyed by the Atacama Cosmology Telescope (ACT). Cluster candidates were applying multifrequency matched filter to 98 and 150 GHz maps constructed from ACT observations obtained 2008 2018 using deep, wide-area optical surveys. The span redshift range 0.04 < z 1.91 (median = 0.52). contains 222 > 1 clusters, total 868...