Using EMCCD's to improve the photometric precision of ground-based astronomical observations

被引：4

作者：

Giltinan, Alan ^{[1
]}

Loughnan, Dylan ^{[1
]}

Collins, Adrian ^{[1
]}

Smith, Niall ^{[1
]}

机构：

[1] Cork Inst Technol, Blackrock Castle Observ, Cork, Ireland

来源：

SENSORS & THEIR APPLICATIONS XVI | 2011年 / 307卷

关键词：

D O I：

10.1088/1742-6596/307/1/012010

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

We report on a novel data reduction technique that uses the fast, low-noise operation of EMCCD's to provide improvements in ground-based astronomical photometry of up to 48% by removing much of the incoherent wavelength-dependent absorption of the atmosphere. The technique has significant application potential in multicolour photometry where inter-colour short-timescale variability are particularly prone to atmospheric effects. We comment on a two-colour photometer we have developed to take advantage of the technique.

引用

页数：6

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