SOXS: a wide band spectrograph to follow up transients

P. Schipani, S. Campana, R. Claudi, H. U. Käufl, M. Accardo, M. Aliverti, A. Baruffolo, S. Ben-Ami, F. Biondi, A. Brucalassi, G. Capasso, R. Cosentino, F. D'Alessio, P. D'Avanzo, O. Hershko, D. Gardiol, H. Kuncarayakti, M. Munari, A. Rubin, S. ScuderiF. Vitali, J. Achrén, J. Antonio Araiza-Duran, I. Arcavi, A. Bianco, E. Cappellaro, M. Colapietro, M. Della Valle, O. Diner, S. D'Orsi, D. Fantinel, J. Fynbo, A. Gal-Yam, M. Genoni, M. Hirvonen, J. Kotilainen, T. Kumar, M. Landoni, J. Lehti, G. Li Causi, D. Loreggia, L. Marafatto, S. Mattila, G. Pariani, G. Pignata, M. Rappaport, D. Ricci, M. Riva, B. Salasnich, R. Zanmar Sanchez, S. Smartt, M. Turatto

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SOXS (Son Of X-Shooter) will be a spectrograph for the ESO NTT telescope capable to cover the optical and NIR bands, based on the heritage of the X-Shooter at the ESO-VLT. SOXS will be built and run by an international consortium, carrying out rapid and longer term Target of Opportunity requests on a variety of astronomical objects. SOXS will observe all kind of transient and variable sources from different surveys. These will be a mixture of fast alerts (e.g. gamma-ray bursts, gravitational waves, neutrino events), mid-term alerts (e.g. supernovae, X-ray transients), fixed time events (e.g. close-by passage of minor bodies). While the focus is on transients and variables, still there is a wide range of other astrophysical targets and science topics that will benefit from SOXS. The design foresees a spectrograph with a Resolution-Slit product ~ 4500, capable of simultaneously observing over the entire band the complete spectral range from the U- to the H-band. The limiting magnitude of R~20 (1 hr at S/N~10) is suited to study transients identified from on-going imaging surveys. Light imaging capabilities in the optical band (grizy) are also envisaged to allow for multi-band photometry of the faintest transients. This paper outlines the status of the project, now in Final Design Phase.
Original languageEnglish
JournalProceedings of SPIE
Early online date06 Jul 2018
Publication statusPublished - 23 Jul 2018

Bibliographical note

12 pages, 14 figures, to be published in SPIE Proceedings 10702


  • astro-ph.IM


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