Processing Images from the Zwicky Transient Facility

Processing Images from the Zwicky Transient Facility
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处理来自 Zwicky 瞬态设施的图像

DOI:
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发表时间:
2017
期刊:
Robotic Telescopes, Student Research and Education Proceedings, Vol 1, No 1
影响因子:
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通讯作者:
S. Kulkarni
S. Kulkarni
中科院分区:
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文献类型:
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作者:
R. Laher;F. Masci;S. Groom;B. Rusholme;D. Shupe;E. Jackson;J. Surace;D. Flynn;W. Landry;S. Terek;G. Helou;R. Beck;Eugean Hacopians;U. Rebbapragada;B. Bue;Roger M. Smith;R. Dekany;Adam A. Miller;S. Cenko;E. Bellm;M. Patterson;T. Kupfer;Lin Yan;T. Barlow;M. Graham;M. Kasliwal;T. Prince;S. Kulkarni

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兹维基瞬变设备是一个新的机器人观测项目,一个新设计的600像素数码相机,具有开创性的大视场,47平方度,将安装在帕洛马天文台的48英寸塞缪尔·奥辛望远镜中。该相机将在三年的运行中产生$sim 1$~PB的原始图像数据。在并行的相关工作中,正在开发新的硬件和软件系统,以实时处理这些数据,并为处理后的产品建立长期档案。计划于2019年初首次公开发布存档产品,其中将包括经过处理的图像和$g$和$r$波段的北方天空天文来源星表。将根据两种不同的方法为档案生成源目录:光圈光度法和点扩散函数拟合法。
The Zwicky Transient Facility is a new robotic-observing program, in which a newly engineered 600-MP digital camera with a pioneeringly large field of view, 47~square degrees, will be installed into the 48-inch Samuel Oschin Telescope at the Palomar Observatory. The camera will generate $sim 1$~petabyte of raw image data over three years of operations. In parallel related work, new hardware and software systems are being developed to process these data in real time and build a long-term archive for the processed products. The first public release of archived products is planned for early 2019, which will include processed images and astronomical-source catalogs of the northern sky in the $g$ and $r$ bands. Source catalogs based on two different methods will be generated for the archive: aperture photometry and point-spread-function fitting.