Research

2021.03.16

A new vocabulary for patterns and its cosmological applications, or, a CNN without training

Textures and patterns are ubiquitous in astronomical data but challenging to quantify. The speaker will present a novel statistical tool, called the “scattering transform”. It borrows ideas from con...

2020.12.22

Workflow of deep learning application on astronomical research: Hunting Giant Radio Galxy as an case study

Machine learning application upon astronomical studies can be traced back to 1990s, while it was until recent years that astronomical community started to pay significant attention to this area. In th...

2020.12.15

Mass tranfer in AGB binaries - uncovering a new evolution channel by simulations

The origin of chemically peculiar stars and non-zero eccentricity in evolved close binaries have been long-standing problems in binary stellar evolution. Answers to these questions may trace back to a...

2020.12.14

时域天文学与司天工程 Time-domain astrophysics and the "sitian” project

天文学的发展，持久的动力来自观测，特别是突破性的新发现。观测天文学目前已经从刻画静态宇宙发展到认识动态宇宙，通过多波段、时域监测来揭示宇宙中各类天体的变化并发现和探索各类新天体、新现象。时域天文学已然...

2020.11.24

周培源-彭桓武时空观——兼论“天眼”与“慧眼”对中子星与黑洞的观测