arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 1502.00996astro-ph.IMcs.SE
收藏

从FITS中学习:现代天文学研究中使用的局限性

Learning from FITS: Limitations in use in modern astronomical research

Brian Thomas, Tim Jenness, Frossie Economou, Perry Greenfield, Paul Hirst, David S. Berry, Erik Bray, Norman Gray, Demitri Muna, James Turner, Miguel de Val-Bor… 展开作者

Brian Thomas, Tim Jenness, Frossie Economou, Perry Greenfield, Paul Hirst, David S. Berry, Erik Bray, Norman Gray, Demitri Muna, James Turner, Miguel de Val-Borro, Juande Santander-Vela, David Shupe, John Good, G. Bruce Berriman, Slava Kitaeff, Jonathan Fay, Omar Laurino, Anastasia Alexov, Walter Landry, Joe Masters, Adam Brazier, Reinhold Schaaf, Kevin Edwards, Russell O. Redman, Thomas R. Marsh, Ole Streicher, Pat Norris, Sergio Pascual, Matthew Davie, Michael Droettboom, Thomas Robitaille, Riccardo Campana, Alex Hagen, Paul Hartogh, Dominik Klaes, Matthew W. Craig, Derek Homeier

摘要:

灵活的图像传输系统(FITS)标准一直是天文学的一大福音,使天文台,科学家和公众能够轻松交换天文信息。然而,FITS标准正在显示其年龄。FITS开发于20世纪70年代末,作者做出了许多实现选择,虽然在当时很常见,但现在被认为限制了其对现代数据的效用。FITS标准的作者无法预见我们今天在天文计算中面临的挑战。我们现在面临的困难包括,但不限于,解决需要处理范围扩大的专业数据产品类型(数据模型),更有利于数据的网络交换和存储,处理非常大的数据集,并捕获更复杂的元数据和数据关系。今天,社区中的一些成员发现这些限制中的一些或全部不可行,并决定继续以其他格式存储数据。如果这种分裂继续下去,我们就有可能放弃FITS格式为天文学提供的广泛互操作性和现成可存档性的优势。在本文中,我们详细介绍了一些选定的重要问题,存在于FITS标准的今天。这些问题可能有助于深入了解存在于格式中的更深层次的根本问题,我们提供了一些经验教训的讨论。我们在这里并不打算对这些问题提出具体的补救措施;相反,它是为了引起FITS和更大的天文计算社区对这些问题的关注,希望它能刺激解决这些问题的行动。

英文摘要:

The Flexible Image Transport System (FITS) standard has been a great boon to astronomy, allowing observatories, scientists and the public to exchange astronomical information easily. The FITS standard, however, is showing its age. Developed in the late 1970s, the FITS authors made a number of implementation choices that, while common at the time, are now seen to limit its utility with modern data. The authors of the FITS standard could not anticipate the challenges which we are facing today in astronomical computing. Difficulties we now face include, but are not limited to, addressing the need to handle an expanded range of specialized data product types (data models), being more conducive to the networked exchange and storage of data, handling very large datasets, and capturing significantly more complex metadata and data relationships. There are members of the community today who find some or all of these limitations unworkable, and have decided to move ahead with storing data in other formats. If this fragmentation continues, we risk abandoning the advantages of broad interoperability, and ready archivability, that the FITS format provides for astronomy. In this paper we detail some selected important problems which exist within the FITS standard today. These problems may provide insight into deeper underlying issues which reside in the format and we provide a discussion of some lessons learned. It is not our intention here to prescribe specific remedies to these issues; rather, it is to call attention of the FITS and greater astronomical computing communities to these problems in the hope that it will spur action to address them.

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。

↑