66 citations · 786 across the 42 of their papers we have counts for
43 papers
The BINGO Project IX: Search for Fast Radio Bursts -- A Forecast for the BINGO Interferometry System
Marcelo V. dos Santos, Ricardo G. Landim, Gabriel A. Hoerning +19
The Baryon Acoustic Oscillations (BAO) from Integrated Neutral Gas Observations (BINGO) radio telescope will use the neutral Hydrogen emission line to map the Universe in the redsh…
Constraining interacting dark energy models with the halo concentration-mass relation
Yu Zhao, Yun Liu, Shihong Liao +3
The interacting dark energy (IDE) model is a promising alternative cosmological model which has the potential to solve the fine-tuning and coincidence problems by considering the i…
Void Lensing in Cubic Galileon Gravity
Chen Su, Huanyuan Shan, Jiajun Zhang +6
Weak lensing studies via cosmic voids are a promising probe of Modified Gravity (MG). Excess surface mass density (ESD) is widely used as a lensing statistic in weak lensing resear…
Near-infrared chemical abundances of stars in the Sculptor dwarf galaxy
Baitian Tang, Jiajun Zhang, Zhiqiang Yan +3
Owing to the recent identification of major substructures in our Milky Way (MW), the astronomical community has started to reevaluate the importance of dissolved and existing dwarf…
Foreground removal and 21 cm signal estimates: comparing different blind methods for the BINGO Telescope
Alessandro Marins, Filipe B. Abdalla, Elcio Abdalla +17
The BINGO radiotelescope will observe hydrogen distribution using Intensity Mapping (IM) to analyze the Dark Energy paradigm through Baryon Acoustic Oscillations. The target signal…
The BINGO project VIII: On the recoverability of the BAO signal on HI intensity mapping simulations
Camila Paiva Novaes, Jiajun Zhang, Eduardo J. de Mericia +17
A new and promising technique for observing the Universe and study the dark sector is the intensity mapping of the redshifted 21cm line of neutral hydrogen (HI). The BINGO radio te…
Improvement of cosmological constraints with the cross correlation between line-of-sight optical galaxy and FRB dispersion measure
Chenghao Zhu, Jiajun Zhang
Fast Radio Bursts (hereafter FRBs) can be used in cosmology by studying the Dispersion Measure (hereafter DM) as a function of redshift. The large scale structure of matter distrib…
N-body simulations, halo mass functions, and halo density profile in gravity
Yiqi Huang, Jiajun Zhang, Xin Ren +2
We perform N-body simulations for gravity using the ME-Gadget code, in order to investigate for the first time the structure formation process in detail. Focusing on the pow…
Testing synchrotron models and frequency resolution in BINGO 21 cm simulated maps using GNILC
Eduardo J. de Mericia, Larissa Santos, Carlos Alexandre Wuensche +16
To recover the 21 cm hydrogen line, it is essential to separate the cosmological signal from the much stronger foreground contributions at radio frequencies. The BINGO radio telesc…
Dark Matter Halos in Interacting Dark Energy Models: Formation History, Density Profile, Spin and Shape
Yun Liu, Shihong Liao, Xiangkun Liu +3
The interacting dark energy (IDE) model, which considers the interaction between dark energy and dark matter, provides a natural mechanism to alleviate the coincidence problem and…
White dwarfs identified in LAMOST Data Release 5
Jincheng Guo, Jingkun Zhao, Huawei Zhang +5
In this paper, we report white dwarfs identified in the 5th Data Release of the Large Area Multi-Object fibre Spectroscopic Telescope, including spectral types of DA, DB, DC, DZ, a…
Extended Tidal Tails of IC 4756 detected by {\it Gaia} EDR3
Xianhao Ye, Jinkun Zhao, Jiajun Zhang +2
We report the discovery of emerged tidal tails around open cluster IC 4756 ( 1 Gyr) based on 644 members identified from {\it Gaia} EDR3. Three-dimensional spatial positions,…
Tracing the Origin of Moving Groups. III. Detecting Moving Groups in The LAMOST DR7
Yong Yang, Jingkun Zhao, Jiajun Zhang +2
We revisit the moving groups (MGs) in the solar neighborhood with a sample of 91969 nearby stars constructed from LAMOST DR7. Using the wavelet technique and Monte Carlo simulation…
Numerical convergence of pre-initial conditions on dark matter halo properties
Tianchi Zhang, Shihong Liao, Ming Li +1
Generating pre-initial conditions (or particle loads) is the very first step to set up a cosmological N-body simulation. In this work, we revisit the numerical convergence of pre-i…
The BINGO Project VI: HI Halo Occupation Distribution and Mock Building
Jiajun Zhang, Pablo Motta, Camila P. Novaes +19
BINGO (Baryon Acoustic Oscillations from Integrated Neutral Gas Observations.) is a radio telescope designed to survey from 980 MHz to 1260 MHz, observe the neutral Hydrogen (HI) 2…
The BINGO Project VII: Cosmological Forecasts from 21cm Intensity Mapping
Andre A. Costa, Ricardo G. Landim, Camila P. Novaes +17
The 21cm line of neutral hydrogen (HI) opens a new avenue in our exploration of the structure and evolution of the Universe. It provides complementary data to the current large-sca…
The BINGO Project V: Further steps in Component Separation and Bispectrum Analysis
Karin S. F. Fornazier, Filipe B. Abdalla, Mathieu Remazeilles +20
Observing the neutral hydrogen distribution across the Universe via redshifted 21cm line intensity mapping constitutes a powerful probe for cosmology. However, the redshifted 21cm…
The BINGO Project IV: Simulations for mission performance assessment and preliminary component separation steps
Vincenzo Liccardo, Eduardo J. de Mericia, Carlos A. Wuensche +21
The large-scale distribution of neutral hydrogen (HI) in the Universe is luminous through its 21 cm emission. The goal of the Baryon Acoustic Oscillations from Integrated Neutral G…
The BINGO Project III: Optical design and optimisation of the focal plane
Filipe B. Abdalla, Alessandro Marins, Pablo Motta +26
The BINGO telescope was designed to measure the fluctuations of the 21-cm radiation arising from the hyperfine transition of neutral hydrogen and aims to measure the Baryon Acousti…
The BINGO Project II: Instrument Description
Carlos A. Wuensche, Thyrso Villela, Elcio Abdalla +41
The measurement of diffuse 21-cm radiation from the hyperfine transition of neutral hydrogen (HI signal) in different redshifts is an important tool for modern cosmology. However,…
The BINGO Project I: Baryon Acoustic Oscillations from Integrated Neutral Gas Observations
Elcio Abdalla, Elisa G. M. Ferreira, Ricardo G. Landim +43
Observations of the redshifted 21-cm line of neutral hydrogen (HI) are a new and powerful window of observation that offers us the possibility to map the spatial distribution of co…
Baryon Acoustic Oscillations from Integrated Neutral Gas Observations: an instrument to observe the 21cm hydrogen line in the redshift range 0.13 z 0.45 -- status update
Carlos A. Wuensche, Elcio Abdalla, Filipe Batoni Abdalla +48
BINGO (BAO from Integrated Neutral Gas Observations) is a unique radio telescope designed to map the intensity of neutral hydrogen distribution at cosmological distances, making th…
Nearly 30,000 late-type main-sequence stars with stellar age from LAMOST DR5
Jiajun Zhang, Jingkun Zhao, Terry D. Oswalt +3
We construct a sample of nearly 30,000 main-sequence stars with 4500K 5000K and stellar ages estimated by the chromospheric activityage relation. This sample is u…
Estimating Atmospheric Parameters of DA White Dwarf Stars with Deep Learning
Yong Yang, Jingkun Zhao, Jiajun Zhang +2
The determination of atmospheric parameters of white dwarf stars (WDs) is crucial for researches on them. Traditional methodology is to fit the model spectra to observed absorption…