快速射电暴(Fast Radio Burst, FRB)是一种非常亮的、毫秒时标的瞬态射电发射现象. Lorimer 等人在2007 年首次发现FRB 010724,截至2021 年4 月已公布超过110 个FRB[1]1.从观测上来看,快 …
[2101.08005] The z-DM distribution of fast radio bursts - arXiv.org
2021年1月20日 · We develop a sophisticated model of FRB observations, accounting for the intrinsic cosmological gas distribution and host galaxy contributions, and give the most …
Comparison of the Parkes and FAST FRB DM Distribution
2022年3月16日 · We model the Fast Radio Burst (FRB) dispersion measure (DM) distribution for the Five-hundred-meter Aperture Spherical Telescope (FAST) and compare this with the four …
GitHub - FRBs/FRB: Python code related to DM calculations, estimations ...
Python code and data related to FRB calculations, observations, estimations, and analysis. Brought to you by: J. Xavier Prochaska, Sunil Simha, Nicholas Tejos, Kasper Heintz, …
FRB/frb/frb.py at main · FRBs/FRB · GitHub
Returns: """ if outfile is None: outfile = self.make_outfile () # Build the dict frb_dict = {} # Basics if self.coord is not None: frb_dict ['ra'] = self.coord.ra.value frb_dict ['dec'] = self.coord.dec.value …
Dispersion Measure Variation of Repeating Fast Radio Burst …
2017年7月10日 · The repeating fast radio burst (FRB) 121102 was recently localized in a dwarf galaxy at a cosmological distance. The dispersion measure (DM) derived for each burst from …
CHIME/FRB 目录 1 中快速射电暴色散测量的分布：对 FRB 起源的 …
Recently, CHIME/FRB project published its first fast radio burst (FRB) catalog (hereafter, Catalog 1), which contains in total 536 unique bursts. With the help of the latest set of FRBs in this …
国家天文台团队深度解析重复快速射电暴的宿主矮星系--中国科学 …
2025年4月1日 · 近日，国家天文台星际介质演化及恒星形成研究组主导的国际合作团队在《天体物理学杂志快报》（ApJL）和《天体物理学杂志》（ApJ）先后发表两项研究成果，针对超活跃 …
Observations of fast radio bursts at frequencies down to 400 ... - Nature
2019年1月9日 · Although the redshift of each FRB determines how the emitted frequency compares to the observed frequency, the presence of 400-MHz emission in bursts with low …
GitHub - kmsmith137/frb_olympics: Simulation framework for …
An frb_olympics Monte Carlo ensemble (class ensemble) consists of: A set of parameter ranges (represented by class search_params) for the following parameters: DM, pulse width, spectral …