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The Cradle of Life and the SKA

Hoare, M. G. and Perez, L. and Bourke, T. L. and Testi, L. and Jimenez-Serra, I. and Zarka, P. and Siemion, A. P. V. and Langevelde, H. J. v. and Loinard, L. and Anglada, G. and Belloche, A. and Bergman, P. and Booth, R. and Caselli, P. and Chandler, C. J. and Codella, C. and Hallinan, G. and Lazio, J. and Morrison, I. S. and Podio, L. and Remijan, A. and Tarter, J. (2015) The Cradle of Life and the SKA. In: Advancing Astrophysics with the Square Kilometre Array. Proceedings of Science. Vol.215. SISSA , Trieste, Italy, Art. No. 115. ISBN 9781909204706. https://resolver.caltech.edu/CaltechAUTHORS:20180821-141110239

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Abstract

We provide an overview of the exciting capabilities of the SKA in the Cradle of Life theme. With the deployment of the high frequency band 5 receivers, the phase 1 of the SKA can conduct headline science in the study of the earliest stages of grain growth in proto-planetary disks. SKA1-MID can map the 2 cm continuum emission at a resolution of 4 au in the nearest systems and therefore begin to probe the distribuion of cm-sized particles across the snow line. This frequency range will also enable deep searches for pre-biotic molecules such as amino acids from pre-stellar cores to the cold, outer regions of proto-planetary disks where cometary material forms. The lowest frequency capabilities of SKA1 can be used to examine the magnetic fields of exo-planets via their auroral radio emission. This gives unique insight into their interiors and could potentially detect exo-moons. Across the full frequency range, the SKA1 will also carry out systematic, volume-limited searches of exo-planet systems for signals from technologically advanced civilizations. The sensitivity of SKA1 means that these only need to be at the level of typical airport radar signals in the nearest systems. Hence, the SKA1 can conduct high impact science from the first steps on the road to planets and life, through areas affecting the habitability of planets, and ultimately, to whether we are alone in the Galaxy. These inspirational themes will greatly help in the effort to bring SKA1 science to a wide audience and to ensure the progression to the full SKA.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.22323/1.215.0115DOIArticle
ORCID:
AuthorORCID
Perez, L.0000-0002-1199-9564
Testi, L.0000-0003-1859-3070
Hallinan, G.0000-0002-7083-4049
Alternate Title:SKA and the Cradle of Life
Additional Information:© 2015 owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-ShareAlike. Published on: 2015 May 29. We thank R. Gutermuth for providing Figure 4. Part of this research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration. GA acknowledges support from MICINN (Spain) grant AYA2011-30228-C03 (co-funded with FEDER funds).
Funders:
Funding AgencyGrant Number
NASA/JPL/CaltechUNSPECIFIED
Ministerio de Ciencia e Innovación (MCINN)AYA2011-30228-C03-01
Fondo Europeo de Desarrollo Regional (FEDER)UNSPECIFIED
Series Name:Proceedings of Science
Record Number:CaltechAUTHORS:20180821-141110239
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180821-141110239
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:88989
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:21 Aug 2018 22:50
Last Modified:03 Oct 2019 20:12

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