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SONG China project – participating in the global network

Published online by Cambridge University Press:  30 January 2013

Licai Deng*
Affiliation:
National Astronomical Observatories, CAS, 20A Datun Road, 100012 Beijing, China
Yu Xin
Affiliation:
National Astronomical Observatories, CAS, 20A Datun Road, 100012 Beijing, China
Xiaobin Zhang
Affiliation:
National Astronomical Observatories, CAS, 20A Datun Road, 100012 Beijing, China
Yan Li
Affiliation:
Yunnan Astronomical Observatory, CAS, Kunming, China
Xiaojun Jiang
Affiliation:
National Astronomical Observatories, CAS, 20A Datun Road, 100012 Beijing, China
Guomin Wang
Affiliation:
Nanjing Institute of Astronomical Optics and Technolog, CAS, China
Kun Wang
Affiliation:
National Astronomical Observatories, CAS, 20A Datun Road, 100012 Beijing, China School of Physics and Electronic Information, China-West Normal University, China
Jilin Zhou
Affiliation:
School of Astronomy and Space Science, Nanjing University, China
Zhengzhou Yan
Affiliation:
School of Physics and Electronic Information, China-West Normal University, China
Zhiquan Luo
Affiliation:
School of Physics and Electronic Information, China-West Normal University, China
*
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Abstract

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SONG (Stellar Observations Network Goup) is a low-cost ground based international collaboration aimed at two cutting edge problems in contemporary astrophysics in the time-domain: 1) Direct diagnostics of the internal structure of stars and 2) looking for and studying extra solar planets, possibly in the habitable zone. The general plan is to set up a network of 1m telescopes uniformly distributed in geographic latitude (in both hemispheres). China jointed the collaboration (initiated by Danish astronomers) at the very beginning. In addition to SONG's original plan (http://song.phys.au.dk), the Chinese team proposed a parallel photometry subnet work in the northern hemisphere, namely 50BiN (50cm Binocular Network, previously known as mini-SONG), to enable a large field photometric capability for the network, therefore maximising the potential of the network platform. The network will be able to produce nearly continuous time series observations of a number of selected objects with high resolution spectroscopy (SONG) and accurate photometry (50BiN), and to produce ultra-high accuracy photometry in dense field to look for micro-lensing events caused by planetary systems. This project has great synergy with Chinese Astronomical activities in Antarctica (Dome A), and other similar networks (e.g. LCOGT). The plan and current status of the project are overviewed in this poster.

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Copyright © International Astronomical Union 2013
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