The Science Performance of the Gemini High Resolution Optical Spectrograph
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arXiv
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| Natura: | Preprint |
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2024
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| author | McConnachie, Alan W. Hayes, Christian R. Robertson, J. Gordon Pazder, John Ireland, Michael Burley, Greg Churilov, Vladimir Lothrop, Jordan Zhelem, Ross Kalari, Venu Anthony, André Baker, Gabriella Berg, Trystyn Chapin, Edward L. Chin, Timothy Densmore, Adam Diaz, Ruben Dunn, Jennifer Edgar, Michael L. Farrell, Tony Firpo, Veronica Fuentes, Javier Gomez-Jimenez, Manuel Hardy, Tim Henderson, David Hill, Alexis Labrie, Kathleen Jensen, Jaclyn Lambert, Sam Lawrence, Jon Macdonald, G. Scott Margheim, Steven Millar, Bryan Muller, Rolf Nielsen, Jon G. Pérez, Gabriel Quiroz, Carlos Ruiz-Carmona, Roque Sebo, Kim M. Sestito, Federico Silva, Kareleyne Simpson, Chris Smith, Greg Venkatesan, Sudharshan Waller, Fletcher Waller, Lewis Wevers, Ivan Venn, Kim A. Young, Peter |
| author_facet | McConnachie, Alan W. Hayes, Christian R. Robertson, J. Gordon Pazder, John Ireland, Michael Burley, Greg Churilov, Vladimir Lothrop, Jordan Zhelem, Ross Kalari, Venu Anthony, André Baker, Gabriella Berg, Trystyn Chapin, Edward L. Chin, Timothy Densmore, Adam Diaz, Ruben Dunn, Jennifer Edgar, Michael L. Farrell, Tony Firpo, Veronica Fuentes, Javier Gomez-Jimenez, Manuel Hardy, Tim Henderson, David Hill, Alexis Labrie, Kathleen Jensen, Jaclyn Lambert, Sam Lawrence, Jon Macdonald, G. Scott Margheim, Steven Millar, Bryan Muller, Rolf Nielsen, Jon G. Pérez, Gabriel Quiroz, Carlos Ruiz-Carmona, Roque Sebo, Kim M. Sestito, Federico Silva, Kareleyne Simpson, Chris Smith, Greg Venkatesan, Sudharshan Waller, Fletcher Waller, Lewis Wevers, Ivan Venn, Kim A. Young, Peter |
| contents | 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 - 1061nm, and designed for optimal performance between 363 - 950nm. It can observe up to two objects simultaneously in a 7.5 arcmin 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_07452 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The Science Performance of the Gemini High Resolution Optical Spectrograph McConnachie, Alan W. Hayes, Christian R. Robertson, J. Gordon Pazder, John Ireland, Michael Burley, Greg Churilov, Vladimir Lothrop, Jordan Zhelem, Ross Kalari, Venu Anthony, André Baker, Gabriella Berg, Trystyn Chapin, Edward L. Chin, Timothy Densmore, Adam Diaz, Ruben Dunn, Jennifer Edgar, Michael L. Farrell, Tony Firpo, Veronica Fuentes, Javier Gomez-Jimenez, Manuel Hardy, Tim Henderson, David Hill, Alexis Labrie, Kathleen Jensen, Jaclyn Lambert, Sam Lawrence, Jon Macdonald, G. Scott Margheim, Steven Millar, Bryan Muller, Rolf Nielsen, Jon G. Pérez, Gabriel Quiroz, Carlos Ruiz-Carmona, Roque Sebo, Kim M. Sestito, Federico Silva, Kareleyne Simpson, Chris Smith, Greg Venkatesan, Sudharshan Waller, Fletcher Waller, Lewis Wevers, Ivan Venn, Kim A. Young, Peter Instrumentation and Methods for Astrophysics 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 - 1061nm, and designed for optimal performance between 363 - 950nm. It can observe up to two objects simultaneously in a 7.5 arcmin 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. |
| title | The Science Performance of the Gemini High Resolution Optical Spectrograph |
| topic | Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2401.07452 |