论文标题
捕获:UGMRT的连续成像管道
CAPTURE: A continuum imaging pipeline for the uGMRT
论文作者
论文摘要
我们提出了第一条全自动管道,用于从升级的巨型Metrewave射电望远镜(UGMRT)获得的干涉数据中制作图像,称为CASA Pipeline-Cum-Toolkit用于升级的巨型Metrewave射程望远镜数据减少 - 捕获。这是一个Python程序,它使用NRAO通用天文学软件应用程序(CASA)的任务执行标记不良数据,校准,成像和自我校准的步骤。 The salient features of the pipeline are: i) a fully automatic mode to go from the raw data to a self-calibrated continuum image, ii) specialized flagging strategies for short and long baselines that ensure minimal loss of extended structure, iii) flagging of persistent narrow band radio frequency interference (RFI), iv) flexibility for the user to configure the pipeline for step-by-step analysis or special cases and v) analysis of data from the legacy GMRT。捕获可在GitHub(https://github.com/ruta-k/ugmrt-pipeline,版本v1.0.0)上公开获得。在https://github.com/ruta-k/ugmrtprimarybeam上分别提供了带有捕获的UGMRT图像的主要光束校正。我们展示了在UGMRT和Legacy GMRT数据上使用捕获的示例。原则上,可以针对来自其他望远镜的无线电干涉测量数据量身定制捕获。
We present the first fully automated pipeline for making images from the interferometric data obtained from the upgraded Giant Metrewave Radio Telescope (uGMRT) called CAsa Pipeline-cum-Toolkit for Upgraded Giant Metrewave Radio Telescope data REduction - CAPTURE. It is a python program that uses tasks from the NRAO Common Astronomy Software Applications (CASA) to perform the steps of flagging of bad data, calibration, imaging and self-calibration. The salient features of the pipeline are: i) a fully automatic mode to go from the raw data to a self-calibrated continuum image, ii) specialized flagging strategies for short and long baselines that ensure minimal loss of extended structure, iii) flagging of persistent narrow band radio frequency interference (RFI), iv) flexibility for the user to configure the pipeline for step-by-step analysis or special cases and v) analysis of data from the legacy GMRT. CAPTURE is available publicly on github (https://github.com/ruta-k/uGMRT-pipeline, release v1.0.0). The primary beam correction for the uGMRT images produced with CAPTURE is made separately available at https://github.com/ruta-k/uGMRTprimarybeam. We show examples of using CAPTURE on uGMRT and legacy GMRT data. In principle, CAPTURE can be tailored for use with radio interferometric data from other telescopes.