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Progress on the UV-VIS arm of SOXS

: Rubin, A.; Ben-Ami, S.; Hershko, O.; Rappaport, M.; Gal-Yam, A.; Bruch, R.; Campana, S.; Claudi, R.; Schipani, P.; Aliverti, M.; Baruffolo, A.; Biondi, F.; Capasso, G.; Cosentino, R.; D'Alessio, F.; D'Avanzo, P.; Kuncarayakti, H.; Landoni, M.; Munari, M.; Pignata, G.; Scuderi, S.; Vitali, F.; Young, D.; Achrén, J.; Araiza-Duran, J.A.; Arcavi, I.; Brucalassi, A.; Cappellaro, E.; Colapietro, M.; Valle, M. della; Pascale, M. de; Benedetto, R. di; D'Orsi, S.; Flügel-Paul, T.; Genoni, M.; Hernandez, M.; Kotilainen, J.; Causi, G. li; Mattila, S.; Radhakrishnan, K.; Ricci, D.; Riva, M.; Sadlowski, S.; Salasnich, B.; Smartt, S.; Sanchez, R.Z.; Stritzinger, M.; Ventura, H.


Evans, C.J. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Ground-based and Airborne Instrumentation for Astronomy VIII : 14-22 December 2020, Online Only, United States
Bellingham, WA: SPIE, 2020 (Proceedings of SPIE 11447)
ISBN: 978-1-5106-3681-1
ISBN: 978-1-5106-3682-8
Paper 114475L, 12 S.
Conference "Ground-Based and Airborne Instrumentation for Astronomy" <8, 2020, Online>
Fraunhofer IOF ()
spectrograph; transient

We present our progress on the UV-VIS arm of Son Of X-Shooter (SOXS), a new spectrograph for the NTT. Our design splits the spectral band into four sub-bands that are imaged onto a single detector. Each band uses an optimized high efficiency grating that operates in 1st order (m=1). In our previous paper we presented the concept and preliminary design. SOXS passed a Final Design Review in July 2018 and is well into the construction phase. Here we present the final design, performances of key manufactured elements, and the progress in the assembly. Based on the as-built elements, the expected throughput of the visual arm will be > 55%. This paper is accompanied by a series of contributions describing the progress made on the SOXS instrument.