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Observations of the radial velocity of the Sun as measured with the novel SONG spectrograph: results from a 1-week campaign

Publikation: Forskning - fagfællebedømtKonferenceartikel


P. L. Pallé, F. Grundahl, A. Triviño Hage, J. Christensen-Dalsgaard, S. Frandsen, R. A. García, K. Uytterhoeven, M. F. Andersen, Per Kjærgaard Rasmussen, Anton Norup Sørensen, H. Kjeldsen, P. Spano, H. Nilsson, H. Hartman, Uffe Gråe Jørgensen, Jesper Mirsa Skottfelt, Kennet Bomann West Harpsøe, Michael Ingemann Andersen

Deployment of the prototype node of the SONG project took place in April 2012 at Observatorio del Teide (Canary Islands). Its key instrument (echelle spectrograph) was installed and operational a few weeks later while its 1 m feeding telescope suffered a considerable delay to meet the required specifications. Using a fibre-feed, solar light could be fed to the spectrograph and we carried out a 1-week observing campaign in June 2012 to evaluate its performance for measuring precision radial velocities. In this work we present the first results of this campaign by comparing the sensitivity of the SONG spectrograph with other helioseismology reference instruments (Mark-I and GOLF) when simultaneous data are considered.
BogserieJournal of Physics: Conference Series (Online)
Antal sider5
StatusUdgivet - 23 jul. 2013
Begivenhed - Palm Cove, Australien


KonferenceEclipse on the Coral Sea
ByPalm Cove

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