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arxiv: 2012.12804 · v1 · pith:CGKZTGUNnew · submitted 2020-12-23 · 🌌 astro-ph.IM

The development status of the NIR Arm of the new SoXS instrument at the ESO/NTT telescope

F. Vitali , M. Aliverti , G. Capasso , F. D'Alessio , M. Munari , M. Riva , S. Scuderi , R. Zanmar Sanchez
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S. Campana P. Schipani R. Claudi A. Baruffolo S. Ben-Ami F. Biondi A. Brucalassi R. Cosentino D. Ricci P. D'Avanzo H. Kuncarayakti A. Rubin J. Achr\'en J. A. Araiza-Duran I. Arcavi A. Bianco R. Bruch E. Cappellaro M. Colapietro M. Della Valle M. De Pascale R. Di Benedetto S. D'Orsi D. Fantinel A. Gal-Yam M. Genoni M. Hernandez O. Hershko J. Kotilainen M. Landoni G. Li Causi S. Mattila G. Pignata K. Radhakrishnan M. Rappaport B. Salasnich S. Smartt M. Stritzinger E. Ventura D. Young
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keywords spectrographwillmicronsoxsthermalarraydevelopmentequipped
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We present here the development status of the NIR spectrograph of the Son Of X-Shooter (SOXS) instrument, for the ESO/NTT telescope at La Silla (Chile). SOXS is a R~4,500 mean resolution spectrograph, with a simultaneously coverage from about 0.35 to 2.00 micron. It will be mounted at the Nasmyth focus of the NTT. The two UV-VIS-NIR wavelength ranges will be covered by two separated arms. The NIR spectrograph is a fully cryogenic echelle-dispersed spectrograph, working in the range 0.80-2.00 micron, equipped with a Hawaii H2RG IR array from Teledyne. The whole spectrograph will be cooled down to about 150 K (but the array at 40 K), to lower the thermal background, and equipped with a thermal filter to block any thermal radiation above 2.0 micron. In this work, we will show the advanced phase of integration of the NIR spectrograph.

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