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High-resolution Dayside Spectroscopy of WASP-189 b: Detection of Iron during the GHOST/Gemini South System Verification Run
| Indexado |
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| DOI | 10.3847/1538-3881/AD643F | ||||
| Año | 2024 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
With high equilibrium temperatures and tidally locked rotation, ultra-hot Jupiters (UHJs) are unique laboratories within which to probe extreme atmospheric physics and chemistry. In this paper, we present high-resolution dayside spectroscopy of the UHJ WASP-189 b obtained with the new Gemini High-resolution Optical SpecTrograph (GHOST) at the Gemini South Observatory. The observations, which cover 3 hr of post-eclipse orbital phases, were obtained during the instrument's System Verification run. We detect the planet's atmosphere via the Doppler cross-correlation technique, and recover a detection of neutral iron in the planet's dayside atmosphere at a significance of 7.5 sigma in the red arm of the data, verifying the presence of a thermal inversion. We also investigate the presence of other species in the atmosphere and discuss the implications of model injection/recovery tests. These results represent the first atmospheric characterization of an exoplanet with GHOST's high-resolution mode, and demonstrate the potential of this new instrument in detecting and studying ultra-hot exoplanet atmospheres.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Deibert, E. K. | Mujer |
Gemini Observ NSFs NOIRLab - Chile
Gemini ObservatorySouthern Operations Center - Chile |
| 2 | Langeveld, Adam B. | - |
CORNELL UNIV - Estados Unidos
Cornell University - Estados Unidos |
| 3 | Young, Mitchell E. | - |
Queens Univ Belfast - Reino Unido
Queen's University Belfast - Reino Unido |
| 4 | Flagg, Laura | Mujer |
CORNELL UNIV - Estados Unidos
Cornell University - Estados Unidos |
| 5 | Turner, J. D. | Hombre |
CORNELL UNIV - Estados Unidos
Cornell University - Estados Unidos |
| 6 | Smith, Peter C. B. | - |
Arizona State Univ - Estados Unidos
School of Earth and Space Exploration - Estados Unidos |
| 7 | de Mooij, Ernst | Hombre |
Queens Univ Belfast - Reino Unido
Queen's University Belfast - Reino Unido |
| 8 | Jayawardhana, Ray | - |
Johns Hopkins Univ - Estados Unidos
|
| 9 | Chiboucas, Kristin | Mujer |
Gemini Observ NSFs NOIRLab - Estados Unidos
Gemini Observatory - Estados Unidos |
| 10 | Gamen, Roberto | Hombre |
CONICET UNLP - Argentina
Instituto de Astrofisica de La Plata - Argentina |
| 11 | Hayes, Christian R. | - |
Space Telescope Sci Inst - Estados Unidos
Space Telescope Science Institute - Estados Unidos |
| 12 | Heo, Jeong-Eun | Mujer |
Gemini Observ NSFs NOIRLab - Chile
Gemini ObservatorySouthern Operations Center - Chile |
| 13 | Jeong, Miji | - |
Chungnam Natl Univ - Corea del Sur
Chungnam National University - Corea del Sur |
| 14 | Kalari, Venu M. | - |
Gemini Observ NSFs NOIRLab - Chile
Gemini ObservatorySouthern Operations Center - Chile |
| 15 | Martioli, E. | Hombre |
Lab Nacl Astrofis - Brasil
Laboratorio Nacional de Astrofisica, Itajuba - Brasil |
| 16 | Placco, Vinicius M. | Hombre |
NSFs NOIRLab - Estados Unidos
NOIRLab - Estados Unidos |
| 17 | Xu, Siyi | - |
Gemini Observ NSFs NOIRLab - Estados Unidos
Gemini Observatory - Estados Unidos |
| 18 | Diaz, Ruben | Hombre |
Gemini Observ NSFs NOIRLab - Chile
Gemini ObservatorySouthern Operations Center - Chile |
| 19 | Gomez-Jimenez, Manuel | - |
Gemini Observ NSFs NOIRLab - Chile
Gemini ObservatorySouthern Operations Center - Chile |
| 20 | Quiroz, Carlos | Hombre |
Gemini Observ NSFs NOIRLab - Chile
Gemini ObservatorySouthern Operations Center - Chile |
| 21 | Ruiz-Carmona, Roque | - |
Gemini Observ NSFs NOIRLab - Chile
Gemini ObservatorySouthern Operations Center - Chile |
| 22 | Simpson, Chris | - |
Gemini Observ NSFs NOIRLab - Estados Unidos
Gemini Observatory - Estados Unidos |
| 23 | McConnachie, Alan | Hombre |
NRC Herzberg Astron & Astrophys Res Ctr - Canadá
National Research Council Canada - Canadá |
| 24 | Pazder, J. | Hombre |
NRC Herzberg Astron & Astrophys Res Ctr - Canadá
Univ Victoria - Canadá National Research Council Canada - Canadá University of Victoria - Canadá |
| 25 | Burley, Greg | Hombre |
NRC Herzberg Astron & Astrophys Res Ctr - Canadá
National Research Council Canada - Canadá |
| 26 | Ireland, Michael J. | Hombre |
Australian Natl Univ - Australia
The Australian National University - Australia |
| 27 | Waller, Fletcher | Hombre |
Univ Victoria - Canadá
University of Victoria - Canadá |
| 28 | Berg, Trystyn A. M. | - |
NRC Herzberg Astron & Astrophys Res Ctr - Canadá
National Research Council Canada - Canadá |
| 29 | Robertson, Gordon | Hombre |
Macquarie Univ - Australia
UNIV SYDNEY - Australia Macquarie University - Australia The University of Sydney - Australia |
| 30 | Jones, D. | Hombre |
Gemini Observ NSFs NOIRLab - Estados Unidos
Univ Hawaii - Estados Unidos Gemini Observatory - Estados Unidos University Hawaii Institute for Astronomy - Estados Unidos |
| 31 | Labrie, Kathleen | Mujer |
Gemini Observ NSFs NOIRLab - Estados Unidos
Gemini Observatory - Estados Unidos |
| 32 | Ridgway, Susan | - |
NSFs NOIRLab - Estados Unidos
NOIRLab - Estados Unidos |
| 33 | Thomas-Osip, Jo | Mujer |
Gemini Observ NSFs NOIRLab - Chile
Gemini ObservatorySouthern Operations Center - Chile |
| Fuente |
|---|
| National Science Foundation |
| Conselho Nacional de Desenvolvimento Científico e Tecnológico |
| FAPEMIG |
| Fundação de Amparo à Pesquisa do Estado de Minas Gerais |
| NASA |
| Natural Sciences and Engineering Research Council of Canada |
| National Aeronautics and Space Administration |
| CNPq, Brazil |
| Australian National University |
| Natural Sciences and Engineering Research Council of Canada (NSERC) |
| Space Telescope Science Institute |
| Korea Astronomy and Space Science Institute |
| National Research Council Canada |
| Ministério da Ciência, Tecnologia, Inovações e Comunicações |
| Macquarie University |
| NASA through the NASA Hubble Fellowship grant - Space Telescope Science Institute |
| Agencia Nacional de Investigación y Desarrollo |
| international Gemini Observatory, a program of NSF's NOIRLab |
| Ministerio de Ciencia, Tecnología e Innovación |
| International Gemini partnership |
| National Research Council Herzberg of Canada |
| Rockefeller Foundation Bellagio Residency |
| Joy Chavez and Karleyne Silva |
| Agradecimiento |
|---|
| Based on observations obtained under Program ID GS-2023A-SV-102, at the International Gemini Observatory, a program of NSF's NOIRLab, which is managed by the Association of Universities for Research in Astronomy (AURA) under a cooperative agreement with the National Science Foundation on behalf of the Gemini Observatory partnership: the National Science Foundation (United States), National Research Council (Canada), Agencia Nacional de Investigacion y Desarrollo (Chile), Ministerio de Ciencia, Tecnologia e Innovacion (Argentina), Ministerio da Ciencia, Tecnologia, Inovacoes e Comunicacoes (Brazil), and Korea Astronomy and Space Science Institute (Republic of Korea). Data were processed using Data Reduction for Astronomy from Gemini Observatory North and South (DRAGONS).GHOST was built by a collaboration between Australian Astronomical Optics at Macquarie University, National Research Council Herzberg of Canada, and the Australian National University, and funded by the International Gemini partnership. The instrument scientist is Dr. Alan McConnachie at NRC, and the instrument team is also led by Dr. Gordon Robertson (at AAO) and Dr. Michael Ireland (at ANU).The authors would like to acknowledge the contributions of the GHOST instrument build team, the Gemini GHOST instrument team, the full SV team, and the rest of the Gemini operations team that were involved in making the SV observations a success.E.K.D. acknowledges the support of the Natural Sciences and Engineering Research Council of Canada (NSERC), funding reference number 568281-2022. J.D.T. was supported for this work by NASA through the NASA Hubble Fellowship grant No. HST-HF2-51495.001-A awarded by the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Incorporated, under NASA contract NAS5-26555. E.M. acknowledges funding from FAPEMIG under project number APQ-02493-22 and a research productivity grant No. 309829/2022-4 awarded by the CNPq, Brazil. R.J. acknowledges support from a Rockefeller Foundation Bellagio Residency.This research has made use of the NASA Exoplanet Archive, which is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program |
| GHOST was built by a collaboration between Australian Astronomical Optics at Macquarie University, National Research Council Herzberg of Canada, and the Australian National University, and funded by the International Gemini partnership. The instrument scientist is Dr. Alan McConnachie at NRC, and the instrument team is also led by Dr. Gordon Robertson (at AAO) and Dr. Michael Ireland (at ANU). |
| Based on observations obtained under Program ID GS-2023A-SV-102, at the International Gemini Observatory, a program of NSF\u2019s NOIRLab, which is managed by the Association of Universities for Research in Astronomy (AURA) under a cooperative agreement with the National Science Foundation on behalf of the Gemini Observatory partnership: the National Science Foundation (United States), National Research Council (Canada), Agencia Nacional de Investigaci\u00F3n y Desarrollo (Chile), Ministerio de Ciencia, Tecnolog\u00EDa e Innovaci\u00F3n (Argentina), Minist\u00E9rio da Ci\u00EAncia, Tecnologia, Inova\u00E7\u00F5es e Comunica\u00E7\u00F5es (Brazil), and Korea Astronomy and Space Science Institute (Republic of Korea). Data were processed using Data Reduction for Astronomy from Gemini Observatory North and South (DRAGONS). |
| E.K.D. acknowledges the support of the Natural Sciences and Engineering Research Council of Canada (NSERC), funding reference number 568281-2022. J.D.T. was supported for this work by NASA through the NASA Hubble Fellowship grant No. HST-HF2-51495.001-A awarded by the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Incorporated, under NASA contract NAS5-26555. E.M. acknowledges funding from FAPEMIG under project number APQ-02493-22 and a research productivity grant No. 309829/2022-4 awarded by the CNPq, Brazil. R.J. acknowledges support from a Rockefeller Foundation Bellagio Residency. |
| We thank Kim Venn, David Henderson, Pablo Prado, Christian Urrutia, Zachary Hartman, Janice Lee, Bryan Miller, Gabriel Perez, and the Gemini Observatory staff for their contributions to the GHOST System Verification (SV). We also thank Joy Chavez and Karleyne Silva, the observer and operator on duty, for their support in obtaining these observations. We thank John Blakeslee for the helpful discussions. Finally, we thank the anonymous referee for the thoughtful and constructive comments which helped improved the quality of this manuscript. |
