PypeIt GTC-OSIRIS/OSIRIS+ Office Hours: MOS data reduction pipeline by Marta Lorenzo, On-line, 19 October 2023 GTC-OSIRIS/OSIRIS+ Hands-on Data Reduction Workshop, Madrid, 3-4 July 2023 Kick-off GTC-MAAT workshop on the OSIRIS Mask Loader upgrade & OSIRIS+MAAT Optics held at the GTC telescope on May 17-18, 2023 Bertin-Winlight signed the contract for the construction of MAAT in April 2023 The new OSIRIS detector was successfully installed and is now being commissioned! First simulated MAAT observation! MAAT@GTC SEA Session, 7 Sept 2022 Paper on the MAAT Final Optical Design presented at the SPIE July 2022 conference Artículo sobre MAAT en el Boletín de la SEA Verano 2022 MAAT Workshop at La Palma, 10 June 2022 PypeIt v 1.9.0 has just been released , and included updates to GTC/OSIRIS data reduction by our MAAT collaborator Ryan Cooke (bad pixel mask, better edge detection, and improve wavelength solution+tilts) Simulations of OSIRIS long-slit observations using ScopeSim A video of MAAT being inserted in the OSIRIS Mask Loader MAAT has successfully passed the Preliminary Design Review on April 2022 First science paper from the MAAT Collaboration on observing Kilonovae with MAAT@GTC The MAAT Exposure Time Calculator is available Verification and acceptance tests of the MAAT-Pupil camera completed on 7 Mar 2022 MAAT mechanical preliminary design as 11 Feb 2022 OSIRIS has been attached to the Cassegrain focus on 5 Feb 2022 (see here ) By end of August, and after 12 years in operation, OSIRIS was withdrawn from the Nasmyth-B focus for its migration to the main Cassegrain focus, see this GTC post in Facebook OSIRIS 'out-of-focus' masks measurements were successfully completed on 20 August 2021. Many images and spectra were taken, and being analysed to characterise the OSIRIS optical aberrations Hardware to measure the OSIRIS optical aberrations ('out-of-focus' tests) is built and shipped to La Palma (3 August 2021) New OSIRIS e2v CDD as being tested at the IAC (26 July 2021) The MAAT Exposure Time Calculator is functioning (18 July 2021) MAAT PDR Workshop: Instrument Session (25 May 2021); Science Session & Data System Session (1 June 2021) Final design of the tools to take 'out-of-focus' images to characterise the OSIRIS optical aberrations (Proactive R&D, 4 May 2021). Manufacturing of the mechanical pieces will start. MAAT member David Jones's reduction of OSIRIS long-slit with PypeIt is released (Version 1.4.0) on 23 April 2021 MAAT Press Note 30 March 2021 , ( Spanish version ) MAAT presentation video on Youtube MAAT optical preliminary design as 23 March 2021 MAAT Data System Workshop 2-4 March 2021 MAAT-module dummy_v1 testing in OSIRIS on 1-3 March 2021 Optical Design of MAAT presented at the SPIE 2020 Digital Forum 14-18 December 2020 MAAT starts its Preliminary Design Phase on 1 November 2020 Consensus on the MAAT Collaboration Agreement reached by IAA-CSIC, IAC, DARK and OKC on Oct. 30, 2020 MAAT kick-off meeting on Oct. 20, 22, and 27, 2020 MAAT-envelope dummy_v0 and interface testing on OSIRIS , carried out successfully by the GTC staff on Sept. 30, Oct. 1-2, 2020 GTC Steering Committee recommends MAAT as visitor instrument on 7 August 2020 White Paper on MAAT@GTC, 19 July 2020 MAAT@GTC Workshop, 5 May 2020