斯隆数字巡天第十五次数据发布:MaNGA导出量、数据可视化工具和恒星库的首次发布
The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA Derived Quantities, Data Visualization Tools and Stellar Library
摘要:
自从斯隆数字巡天(SDSS)第一次出现以来,已经过去了20年。在这里,我们发布了SDSS第四阶段(SDSS-IV)在其运行的前三年(2014年7月至2017年7月)所采集的数据。这是SDSS-IV的第三次数据发布,也是SDSS的第十五次数据发布(数据发布十五; DR 15)。新数据来自MaNGA -我们发布了4824个数据立方体,以及MaNGA恒星库(MaStar)中的第一批恒星光谱,来自MaNGA数据分析管道(DAP)的第一套调查支持的分析产品(例如恒星和气体运动学,发射线和其他地图),以及我们称为“Marvin”的新数据可视化和访问工具。下一个数据发布DR 16将包括来自APOGEE-2和eBOSS的新数据;这些调查在这里没有发布新数据,但我们记录了对其数据处理管道的更新和更正。发布是累积的;它还包括SDSS自第一次亮相以来所获取的所有数据的最新减少和校准。在本文中,我们描述了数据和工具的位置和格式,并引用了描述如何获得和处理数据和工具的技术参考文献。SDSS网站(www.sdss.org)也已更新,提供数据下载链接、教程和数据使用实例。虽然SDSS-IV将继续收集天文数据,直到2020年,并将随后SDSS-V(2020-2025),我们通过描述计划,以确保SDSS数据档案的可持续性超过多年的数据收集结束本文。
英文摘要:
Twenty years have passed since first light for the Sloan Digital Sky Survey (SDSS). Here, we release data taken by the fourth phase of SDSS (SDSS-IV) across its first three years of operation (July 2014-July 2017). This is the third data release for SDSS-IV, and the fifteenth from SDSS (Data Release Fifteen; DR15). New data come from MaNGA - we release 4824 datacubes, as well as the first stellar spectra in the MaNGA Stellar Library (MaStar), the first set of survey-supported analysis products (e.g. stellar and gas kinematics, emission line, and other maps) from the MaNGA Data Analysis Pipeline (DAP), and a new data visualisation and access tool we call "Marvin". The next data release, DR16, will include new data from both APOGEE-2 and eBOSS; those surveys release no new data here, but we document updates and corrections to their data processing pipelines. The release is cumulative; it also includes the most recent reductions and calibrations of all data taken by SDSS since first light. In this paper we describe the location and format of the data and tools and cite technical references describing how it was obtained and processed. The SDSS website (www.sdss.org) has also been updated, providing links to data downloads, tutorials and examples of data use. While SDSS-IV will continue to collect astronomical data until 2020, and will be followed by SDSS-V (2020-2025), we end this paper by describing plans to ensure the sustainability of the SDSS data archive for many years beyond the collection of data.
机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。