The Calibration of theta-phi Fiber Positioners Based on the Differential Evolution Algorithm

F Zhang, Y Huang, B Chen, L Yu, Y Wang… - The Astronomical …, 2024 - iopscience.iop.org
Robotic fiber positioner (RFP) arrays are commonly adopted in multiobject spectroscopic
instruments. The positioning accuracy is a common but vital issue for RFP as inaccurate …

Sphinx: a massively multiplexed fiber positioner for MSE

S Smedley, G Baker, R Brown, J Gilbert… - Ground-based and …, 2018 - spiedigitallibrary.org
In this paper we present the Australian Astronomical Observatory's concept design for
Sphinx-a fiber positioner with 4,332 “spines” on a 7.77 mm pitch for CFHT's Mauna Kea …

4MOST–4-meter Multi-Object Spectroscopic Telescope

RS de Jong, C Chiappini, O Schnurr - EPJ Web of Conferences, 2012 - epj-conferences.org
The 4MOST consortium aims to provide the ESO community with a fibre-fed spectroscopic
survey facility on a 4m-class telescope with a large enough field-of-view (FoV) to survey a …

Prime focus wide-field corrector designs with lossless atmospheric dispersion correction

W Saunders, P Gillingham, G Smith… - Advances in Optical …, 2014 - spiedigitallibrary.org
Wide-Field Corrector designs are presented for the Blanco and Mayall telescopes, the CFHT
and the AAT. The designs are Terezibh-style, with 5 or 6 lenses, and modest negative …

Systems budgets architecture and development for the Maunakea Spectroscopic Explorer

S Mignot, N Flagey, K Szeto… - … for Astronomy VII, 2016 - spiedigitallibrary.org
The Maunakea Spectroscopic Explorer (MSE) project is an enterprise to upgrade the
existing Canada-France-Hawaii observatory into a spectroscopic facility based on a 10 …

Fiber assignment in wide-field multiobject fiber-fed spectrographs

F Zhang, J Wang, C Zhai, Y Jin, Z Liu… - Journal of …, 2020 - spiedigitallibrary.org
Multiobject spectroscopy is applied in numerous modern astronomical facilities conducting
observations of a large number of targets per pointing. Assigning the maximum number of …

TOAD: a numerical model for the 4MOST instrument

R Winkler, DM Haynes, O Bellido-Tirado… - … for Astronomy VI, 2014 - spiedigitallibrary.org
TOAD, the “Top Of the Atmosphere to Detector” simulator, is a primary engineering tool that
accompanies the development of the 4MOST instrument. The ultimate goal is to provide a …

Collision possibility analysis and collision avoidance for multi-object fibre-fed spectrographs with theta–phi positioners

F Zhang, J Wang, Z Liu, C Zhai… - Monthly Notices of the …, 2021 - academic.oup.com
Multi-object spectroscopy has become a valuable technique in numerous modern
astronomical facilities. Most spectrographs have thousands of fibre positioners packed at a …

The Maunakea Spectroscopic Explorer: Thousands of fibers, infinite possibilities

A Sheinis, SC Barden, J Sobeck… - Astronomische …, 2023 - Wiley Online Library
The Maunakea Spectroscopic Explorer (MSE) is a massively multiplexed spectroscopic
survey facility that will replace the Canada–France–Hawai'i Telescope over the next two …

Probabilistic fibre-to-target assignment algorithm for multi-object spectroscopic surveys

E Tempel, P Norberg, T Tuvikene, T Bensby… - Astronomy & …, 2020 - aanda.org
Context. Several new multi-object spectrographs are currently planned or under construction
that are capable of observing thousands of Galactic and extragalactic objects …