The astrophysics of star formation across cosmic time at &10 GHz with the square kilometre array
The astrophysics of star formation across cosmic time at &10 GHz with the square kilometre array
复制标题
整个宇宙时间恒星形成的天体物理学
DOI：
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发表时间：
2015
期刊：
影响因子：
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通讯作者：
J. Wagg
中科院分区：
文献类型：
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作者：
E. Murphy;M. Sargent;R. Beswick;C. Dickinson;I. Heywood;L. Hunt;M. Huynh;M. Jarvis;A. Karim;M. Krause;I. Prandoni;N. Seymour;E. Schinnerer;F. Tabatabaei;J. Wagg
在本章中，我们重点介绍了一些科学研究，这些研究是由包含
In this chapter, we highlight a number of science investigations that are enabled by the inclusion of
Band 5 (4.6-13.8 GHz) for SKA1-MID science operations, while focusing on the astrophysics of star formation over cosmic time. For studying the detailed astrophysics of star formation at highredshift, surveys at frequencies ≳10 GHz have the distinct advantage over traditional ~1.4 GHz
surveys as they are able to yield higher angular resolution imaging while probing higher rest frame frequencies of galaxies with increasing redshift, where emission of star-forming galaxies becomes dominated by thermal (free-free) radiation. In doing so, surveys carried out at ≳10 GHz provide a robust, dust-unbiased measurement of the massive star formation rate by being highly sensitive to the number of ionizing photons that are produced. To access this powerful star formation rate diagnostic requires that Band 5 be available for SKA1-MID. We additionally present a detailed science case for frequency coverage extending up to 30 GHz during full SKA2 operations, as this allows for highly diverse science while additionally providing contiguous frequency coverage between the SKA and ALMA, which will likely be the two most powerful interferometers for the coming decades. To enable this synergy, it is crucial that the dish design of the SKA be flexible
enough to include the possibility of being fit with receivers operating up to 30 GHz.
DOI：
10.22323/1.215.0070
发表时间：
2014-12
期刊：
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影响因子：
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作者：
R. Beswick;E. Brinks;M. Pérez-Torres;A. Richards;S. Aalto;A. Alberdi;M. Argo;I. Bemmel;J. Conway;C. Dickinson;D. Fenech;M. Gray;H. Klöckner;E. Murphy;T. Muxlow;M. Peel;A. Rushton;E. Schinnerer
通讯作者：
R. Beswick;E. Brinks;M. Pérez-Torres;A. Richards;S. Aalto;A. Alberdi;M. Argo;I. Bemmel;J. Conway;C. Dickinson;D. Fenech;M. Gray;H. Klöckner;E. Murphy;T. Muxlow;M. Peel;A. Rushton;E. Schinnerer