Archiving multi-epoch data and the discovery of variables in the near-infrared
Archiving multi-epoch data and the discovery of variables in the near-infrared
复制标题
归档多历元数据并发现近红外变量
DOI:
10.1111/j.1365-2966.2009.15396.x
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发表时间:
2009
影响因子:
4.8
通讯作者:
Cross N
中科院分区:
文献类型:
--
作者:
Cross N
We present a description of the design and usage of a new synoptic pipeline and data base model for time series photometry in the VISTA Data Flow System (VDFS). All UK Infra-Red Telescope Wide Field Camera (UKIRT) data and most of the VISTA main survey data will be processed and archived by the VDFS. Much of these data are multi-epoch, useful for finding moving and variable objects. Our new data base design allows the users to easily find rare objects of these types amongst the huge volume of data being produced by modern survey telescopes. Its effectiveness is demonstrated through examples using Data Release 5 of the UKIRT Deep Infrared Sky Survey (UKIDSS-Deep Extragalactic Survey (DXS) and the Wide Field Camera standard star data. The synoptic pipeline provides additional quality control and calibration to these data in the process of generating accurate light curves. We find that 0.6 ± 0.1 per cent of stars and 2.3 ± 0.6 per cent of galaxies in the UKIDSS-DXS withK< 15 mag are variable with amplitudes ΔK> 0.015 mag.
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1969
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Tycho Brahe
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发表时间:
2008
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作者:
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作者:
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F. Bessel
DOI:
10.1046/j.1365-8711.2001.04460.x
发表时间:
2001
影响因子:
4.8
作者:
T. Hawarden;S. Leggett;M. Letawsky;D. Ballantyne;M. Casali
通讯作者:
M. Casali