SIMBAD references

2024PASP..136c5001M - Publ. Astron. Soc. Pac., 136, part no 3, 5001 (2024/March-0)

The Science Performance of the Gemini High Resolution Optical Spectrograph.

McCONNACHIE A.W., HAYES C.R., ROBERTSON J.G., PAZDER J., IRELAND M., BURLEY G., CHURILOV V., LOTHROP J., ZHELEM R., KALARI V., ANTHONY A., BAKER G., BERG T., CHAPIN E.L., CHIN T., DENSMORE A., DIAZ R., DUNN J., EDGAR M.L., FARRELL T., FIRPO V., FUENTES J., GOMEZ-JIMENEZ M., HARDY T., HENDERSON D., HILL A., LABRIE K., JENSEN J., LAMBERT S., LAWRENCE J., MACDONALD G.S., MARGHEIM S., MILLAR B., MULLER R., NIELSEN J.G., PEREZ G., QUIROZ C., RUIZ-CARMONA R., SEBO K.M., SESTITO F., SILVA K., SIMPSON C., SMITH G., VENKATESAN S., WALLER F., WALLER L., WEVERS I., VENN K.A., YOUNG P. and SILVERSIDES K.

Abstract (from CDS):

The Gemini High Resolution Optical Spectrograph (GHOST) is a fiber-fed spectrograph system on the Gemini South telescope that provides simultaneous wavelength coverage from 348 to 1061 nm, and is designed for optimal performance between 363 and 950 nm. It can observe up to two objects simultaneously in a 7.'5 diameter field of regard at R ≃ 56,000 or a single object at R ≃ 75,000. The spectral resolution modes are obtained by using integral field units to image slice a 1.″2 aperture by a factor of five in width using 19 fibers in the high resolution mode and by a factor of three in width using 7 fibers in the standard resolution mode. GHOST is equipped with hardware to allow for precision radial velocity measurements, expected to approach meters per second precision. Here, we describe the basic design and operational capabilities of GHOST, and proceed to derive and quantify the key aspects of its on-sky performance that are of most relevance to its science users.

Abstract Copyright: © 2024. The Author(s). Published by IOP Publishing Ltd on behalf of the Astronomical Society of the Pacific (ASP). All rights reserved

Journal keyword(s): Astronomical instrumentation - High resolution spectroscopy

Simbad objects: 6

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