The Cologne Database for Molecular Spectroscopy, CDMS, in the Virtual Atomic and Molecular Data Centre, VAMDC
The Cologne Database for Molecular Spectroscopy, CDMS, in the Virtual Atomic and Molecular Data Centre, VAMDC
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DOI：
10.1016/j.jms.2016.03.005
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发表时间：
2016-09-01
影响因子：
1.4
通讯作者：
Mueller, Holger S. P.
中科院分区：
文献类型：
--
作者：
Endres, Christian P.;Schlemmer, Stephan;Mueller, Holger S. P.
科隆分子光谱学数据库(CDMS)成立于1998年，在其目录部分提供了通过射电天文手段在各种天文来源(通常是)中观测到的或可能观测到的主要分子物种的线表。线表包含具有合格精度、强度、量子数的跃迁频率，以及进一步的辅助信息。它们是从经过严格评估的实验线表中产生的，大多数是从实验室实验中产生的，使用了已建立的哈密顿模型。不同的同位素物种有不同的条目，通常也有不同的振动状态。截至2015年12月，参赛作品数量为792个。虚拟原子和分子数据中心VAMDC成立于5年多前，是一个原子和分子数据的通用平台。该平台不仅促进了与天体物理或天体化学有关的光谱数据库之间的交流，而且还促进了与碰撞和动力学数据库之间的交流。开发了一个专用的基础设施，以便在各种数据库中提供一种通用的数据格式，从而能够一次查询关于原子和分子数据的各种数据库。对于CDMS，纳入VAMDC结合了对CDMS目录条目生成的几次修改。在这里，我们介绍了CDMS中数据结构和数据内容的相关更改。新的数据方案允许我们纳入所有以前的数据条目，但另外还允许我们包括基于新的理论描述的条目。此外，CDMS条目已转换为MySQL数据库格式。VAMDC框架内的这些发展在一定程度上是因为天文学界需要能够有效地处理用赫歇尔空间望远镜或最近用阿塔卡马大毫米阵列获得的大数据集。(C)2016 Elsevier Inc.保留所有权利。
The Cologne Database for Molecular Spectroscopy, CDMS, was founded 1998 to provide in its catalog section line lists of mostly molecular species which are or may be observed in various astronomical sources (usually) by radio astronomical means. The line lists contain transition frequencies with qualified accuracies, intensities, quantum numbers, as well as further auxiliary information. They have been generated from critically evaluated experimental line lists, mostly from laboratory experiments, employing established Hamiltonian models. Separate entries exist for different isotopic species and usually also for different vibrational states. As of December 2015, the number of entries is 792. They are available online as ascii tables with additional files documenting information on the entries.The Virtual Atomic and Molecular Data Centre, VAMDC, was founded more than 5 years ago as a common platform for atomic and molecular data. This platform facilitates exchange not only between spectroscopic databases related to astrophysics or astrochemistry, but also with collisional and kinetic databases. A dedicated infrastructure was developed to provide a common data format in the various databases enabling queries to a large variety of databases on atomic and molecular data at once.For CDMS, the incorporation in VAMDC was combined with several modifications on the generation of CDMS catalog entries. Here we introduce related changes to the data structure and the data content in the CDMS. The new data scheme allows us to incorporate all previous data entries but in addition allows us also to include entries based on new theoretical descriptions. Moreover, the CDMS entries have been transferred into a mySQL database format. These developments within the VAMDC framework have in part been driven by the needs of the astronomical community to be able to deal efficiently with large data sets obtained with the Herschel Space Telescope or, more recently, with the Atacama Large Millimeter Array. (C) 2016 Elsevier Inc. All rights reserved.