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19962026
most citedThe Astropy Project: Sustaining and Growing a Community-oriented Open-source Project and the Latest Major Release (v5.0) of the Core Package

5k citations

Showing 2021 · astro-ph.IMShow all

5 papers · 2 filters

astro-ph.IM2021★ 9 cited

Nii: a Bayesian orbit retrieval code applied to differential astrometry

Sheng Jin, Xiaojian Ding, Su Wang +2

Here we present an open source Python-based Bayesian orbit retrieval code (Nii) that implements an automatic parallel tempering Markov chain Monte Carlo (APT-MCMC) strategy. Nii pr…

astro-ph.IM2021★ 11 cited

Molecular Clump Extraction Algorithm Based on Local Density Clustering

Xiaoyu Luo, Sheng Zheng, Yao Huang +4

The detection and parametrization of molecular clumps is the first step in studying them. We propose a method based on Local Density Clustering algorithm while physical parameters…

astro-ph.IM2021★ 58 cited

Image Subtraction in Fourier Space

Lei Hu, Lifan Wang, Xingzhuo Chen +1

Image subtraction is essential for transient detection in time-domain astronomy. The point spread function (PSF), photometric scaling, and sky background generally vary with time a…

astro-ph.IM2021★ 17 cited

Calibration of the Air Shower Energy Scale of the Water and Air Cherenkov Techniques in the LHAASO experiment

F. Aharonian, Q. An, Axikegu +246

The Wide Field-of-View Cherenkov Telescope Array (WFCTA) and the Water Cherenkov Detector Arrays (WCDA) of LHAASO are designed to work in combination for measuring the energy spect…

astro-ph.IM2021★ 22 cited

Orbital effects on time delay interferometry for TianQin

Ming-Yue Zhou, Xin-Chun Hu, Bobing Ye +5

The proposed space-borne laser interferometric gravitational wave (GW) observatory TianQin adopts a geocentric orbit for its nearly equilateral triangular constellation formed by t…