A case study in adaptable and reusable infrastructure at the Keck Observatory Archive: VO interfaces, moving targets, and more

A case study in adaptable and reusable infrastructure at the Keck Observatory Archive: VO interfaces, moving targets, and more
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凯克天文台档案馆适应性和可重复使用基础设施的案例研究:VO 接口、移动目标等

DOI:
10.1117/12.2231719
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发表时间:
2016
期刊:
SPIE Proceedings
影响因子:
--
通讯作者:
Mader, Jeffrey A.
Mader, Jeffrey A.
中科院分区:
--
文献类型:
--
作者:
Chiozzi, Gianluca;Guzman, Juan C.;Berriman, G. Bruce;Cohen, Richard W.;Colson, Andrew;Gelino, Christopher R.;Good, John C.;Kong, Mihseh;Laity, Anastasia C.;Mader, Jeffrey A.

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凯克天文台档案馆 (KOA)(https://koa.ipac.caltech.edu) 整理了 WM 凯克天文台 (WMKO) 自 1994 年开始运行以来获得的所有观测数据,包括来自八台现役仪器和两台退役仪器的数据。该档案由 WMKO 和 NASA 系外行星科学研究所 (NExScI) 合作建立。自 2004 年成立以来,KOA 使用的科学信息系统采用了强调软件重用和适应性的架构方法。本文介绍了 KOA 目前如何利用和扩展开源软件组件来开发新服务并支持交付一整套仪器元数据,这将实现比目前更复杂和更广泛的查询。 2015 年 8 月,KOA 部署了一个程序接口,用于从配备成像模式的所有仪器中发现公共数据。该接口符合国际虚拟天文台联盟 (IVOA) 正在开发的简单成像访问协议 (SIAP) 第 2 版,该协议定义了通过空间查询发现图像的标准机制。 KOA 服务的核心是基于 R 树的数据库索引机制,该机制由虚拟天文台 (VAO) 原型设计,并由 Montage Image Mosaic 项目进一步开发,旨在提供对大型成像数据集的快速访问,作为创建广域图像马赛克(例如 SDSS DR9 版本的 470 万张图像的子集的马赛克)的第一步。 KOA 服务使用空间 R 树搜索的结果创建 SQLite 数据数据库以进行进一步的关系过滤。该服务使用 JSON 配置文件来描述仪器参数和服务查询参数之间的关联,并使其适用于 Keck 仪器之外。
The Keck Observatory Archive (KOA)(https://koa. ipac. caltech. edu) curates all observations acquired at the WM Keck Observatory (WMKO) since it began operations in 1994, including data from eight active instruments and two decommissioned instruments. The archive is a collaboration between WMKO and the NASA Exoplanet Science Institute (NExScI). Since its inception in 2004, the science information system used at KOA has adopted an architectural approach that emphasizes software re-use and adaptability. This paper describes how KOA is currently leveraging and extending open source software components to develop new services and to support delivery of a complete set of instrument metadata, which will enable more sophisticated and extensive queries than currently possible.In August 2015, KOA deployed a program interface to discover public data from all instruments equipped with an imaging mode. The interface complies with version 2 of the Simple Imaging Access Protocol (SIAP), under development by the International Virtual Observatory Alliance (IVOA), which defines a standard mechanism for discovering images through spatial queries. The heart of the KOA service is an R-tree-based, database-indexing mechanism prototyped by the Virtual Astronomical Observatory (VAO) and further developed by the Montage Image Mosaic project, designed to provide fast access to large imaging data sets as a first step in creating wide-area image mosaics (such as mosaics of subsets of the 4.7 million images of the SDSS DR9 release). The KOA service uses the results of the spatial R-tree search to create an SQLite data database for further relational filtering. The service uses a JSON configuration file to describe the association between instrument parameters and the service query parameters, and to make it applicable beyond the Keck instruments.
DOI: 10.1504/ijcse.2009.026999
发表时间: 2009-07
期刊: ArXiv
影响因子: --
作者:
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DOI: 10.1117/12.2054772
发表时间: 2014
影响因子: 6.5
作者:
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DOI: --
发表时间: 2014
期刊: Astronomical Telescopes and Instrumentation
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