DeepSpec: a broad-band R~650 spectrograph with multiplexing capabilities

I. Irani; S. Ben-Ami; Y. Sofer-Rimalt; E. O. Ofek; G. Mikhnevich; A. Gal-Yam; J. Achren; A. Bichkovsky; A. Blumenweig; N. Hallakoun; O. Hershko; H. Kuncarayakti; S. Mattila; O. Ironi; D. Polishook; O. Yaron

doi:10.1117/12.3018423

11 September 2024 DeepSpec: a broad-band R~650 spectrograph with multiplexing capabilities

I. Irani, S. Ben-Ami, Y. Sofer-Rimalt, E. O. Ofek, G. Mikhnevich, A. Gal-Yam, J. Achren, A. Bichkovsky, A. Blumenweig, N. Hallakoun, O. Hershko, H. Kuncarayakti, S. Mattila, O. Ironi, D. Polishook, O. Yaron

Author Affiliations +

Proceedings Volume 13094, Ground-based and Airborne Telescopes X; 1309453 (2024) https://doi.org/10.1117/12.3018423
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

DeepSpec is a novel R~650 broad-band (365nm-900nm) spectrograph planned for the Weizmann Multi-Aperture Spectroscopic Telescope (MAST). MAST is an array of twenty 60cm PlaneWave telescopes, capable of either acting as a single 2.7m telescope or multiplexing over the entire sky using smaller flexible groups. This approach will make the combination of MAST/DeepSpec a unique facility worldwide in terms of its low cost, flexibility and efficiency, capable of observing up to hundreds of targets per night spread over large areas. With an end-to-end throughput of >65%, DeepSpec will be able to observe targets fainter than 20.5mag in a 15-min exposure using all telescopes, or tens/hundreds of spectra per hour of 18-19 magnitude targets using smaller groups of telescopes – making it an ideal instrument for time-domain astronomy. DeepSpec is currently in the assembly, integration and testing phase and is planned to start on-sky commissioning by summer of 2024.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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I. Irani, S. Ben-Ami, Y. Sofer-Rimalt, E. O. Ofek, G. Mikhnevich, A. Gal-Yam, J. Achren, A. Bichkovsky, A. Blumenweig, N. Hallakoun, O. Hershko, H. Kuncarayakti, S. Mattila, O. Ironi, D. Polishook, and O. Yaron "DeepSpec: a broad-band R~650 spectrograph with multiplexing capabilities", Proc. SPIE 13094, Ground-based and Airborne Telescopes X, 1309453 (11 September 2024); https://doi.org/10.1117/12.3018423

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