Early Release Science of the exoplanet WASP-39b with JWST NIRCam
Measuring the metallicity and carbon-to-oxygen (C/O) ratio in exoplanet atmospheres is a fundamental step towards constraining the dominant chemical processes at work and, if in equilibrium, revealing planet formation histories. Transmission spectroscopy provides the necessary means by constraining...
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creator | Eva-Maria Ahrer Stevenson, Kevin B Mansfield, Megan Moran, Sarah E Brande, Jonathan Morello, Giuseppe Murray, Catriona A Nikolov, Nikolay K Dominique J M Petit dit de la Roche Everett Schlawin Wheatley, Peter J Zieba, Sebastian Batalha, Natasha E Damiano, Mario Goyal, Jayesh M Lendl, Monika Lothringer, Joshua D Mukherjee, Sagnick Ohno, Kazumasa Batalha, Natalie M Battley, Matthew P Bean, Jacob L Beatty, Thomas G Benneke, Björn Berta-Thompson, Zachory K Carter, Aarynn L Cubillos, Patricio E Daylan, Tansu Espinoza, Néstor Gao, Peter Gibson, Neale P Gill, Samuel Harrington, Joseph Hu, Renyu Kreidberg, Laura Lewis, Nikole K Line, Michael R López-Morales, Mercedes Parmentier, Vivien Powell, Diana K Sing, David K Shang-Min Tsai Wakeford, Hannah R Welbanks, Luis Alam, Munazza K Alderson, Lili Allen, Natalie H Anderson, David R Barstow, Joanna K Bayliss, Daniel Bell, Taylor J Blecic, Jasmina Bryant, Edward M Burleigh, Matthew R Carone, Ludmila Casewell, S L Changeat, Quentin Chubb, Katy L Crossfield, Ian J M Crouzet, Nicolas Decin, Leen Jean-Michel Désert Feinstein, Adina D Flagg, Laura tney, Jonathan J Gizis, John E Heng, Kevin Iro, Nicolas Kempton, Eliza M -R Kendrew, Sarah Kirk, James Knutson, Heather A Komacek, Thaddeus D Pierre-Olivier Lagage Leconte, Jérémy Lustig-Yaeger, Jacob MacDonald, Ryan J Mancini, Luigi May, E M Mayne, N J Yamila Miguel Mikal-Evans, Thomas Molaverdikhani, Karan Palle, Enric Piaulet, Caroline Rackham, Benjamin V Redfield, Seth Rogers, Laura K Pierre-Alexis, Roy Rustamkulov, Zafar Shkolnik, Evgenya L Sotzen, Kristin S Taylor, Jake Tremblin, P Tucker, Gregory S Turner, Jake D Miguel de Val-Borro Venot, Olivia Zhang, Xi |
description | Measuring the metallicity and carbon-to-oxygen (C/O) ratio in exoplanet atmospheres is a fundamental step towards constraining the dominant chemical processes at work and, if in equilibrium, revealing planet formation histories. Transmission spectroscopy provides the necessary means by constraining the abundances of oxygen- and carbon-bearing species; however, this requires broad wavelength coverage, moderate spectral resolution, and high precision that, together, are not achievable with previous observatories. Now that JWST has commenced science operations, we are able to observe exoplanets at previously uncharted wavelengths and spectral resolutions. Here we report time-series observations of the transiting exoplanet WASP-39b using JWST's Near InfraRed Camera (NIRCam). The long-wavelength spectroscopic and short-wavelength photometric light curves span 2.0 - 4.0 \(\mu\)m, exhibit minimal systematics, and reveal well-defined molecular absorption features in the planet's spectrum. Specifically, we detect gaseous H\(_2\)O in the atmosphere and place an upper limit on the abundance of CH\(_4\). The otherwise prominent CO\(_2\) feature at 2.8 \(\mu\)m is largely masked by H\(_2\)O. The best-fit chemical equilibrium models favour an atmospheric metallicity of 1-100\(\times\) solar (i.e., an enrichment of elements heavier than helium relative to the Sun) and a sub-stellar carbon-to-oxygen (C/O) ratio. The inferred high metallicity and low C/O ratio may indicate significant accretion of solid materials during planet formation or disequilibrium processes in the upper atmosphere. |
doi_str_mv | 10.48550/arxiv.2211.10489 |
format | Article |
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Stevenson, Kevin B ; Mansfield, Megan ; Moran, Sarah E ; Brande, Jonathan ; Morello, Giuseppe ; Murray, Catriona A ; Nikolov, Nikolay K ; Dominique J M Petit dit de la Roche ; Everett Schlawin ; Wheatley, Peter J ; Zieba, Sebastian ; Batalha, Natasha E ; Damiano, Mario ; Goyal, Jayesh M ; Lendl, Monika ; Lothringer, Joshua D ; Mukherjee, Sagnick ; Ohno, Kazumasa ; Batalha, Natalie M ; Battley, Matthew P ; Bean, Jacob L ; Beatty, Thomas G ; Benneke, Björn ; Berta-Thompson, Zachory K ; Carter, Aarynn L ; Cubillos, Patricio E ; Daylan, Tansu ; Espinoza, Néstor ; Gao, Peter ; Gibson, Neale P ; Gill, Samuel ; Harrington, Joseph ; Hu, Renyu ; Kreidberg, Laura ; Lewis, Nikole K ; Line, Michael R ; López-Morales, Mercedes ; Parmentier, Vivien ; Powell, Diana K ; Sing, David K ; Shang-Min Tsai ; Wakeford, Hannah R ; Welbanks, Luis ; Alam, Munazza K ; Alderson, Lili ; Allen, Natalie H ; Anderson, David R ; Barstow, Joanna K ; Bayliss, Daniel ; Bell, Taylor J ; Blecic, Jasmina ; Bryant, Edward M ; Burleigh, Matthew R ; Carone, Ludmila ; Casewell, S L ; Changeat, Quentin ; Chubb, Katy L ; Crossfield, Ian J M ; Crouzet, Nicolas ; Decin, Leen ; Jean-Michel Désert ; Feinstein, Adina D ; Flagg, Laura ; tney, Jonathan J ; Gizis, John E ; Heng, Kevin ; Iro, Nicolas ; Kempton, Eliza M -R ; Kendrew, Sarah ; Kirk, James ; Knutson, Heather A ; Komacek, Thaddeus D ; Pierre-Olivier Lagage ; Leconte, Jérémy ; Lustig-Yaeger, Jacob ; MacDonald, Ryan J ; Mancini, Luigi ; May, E M ; Mayne, N J ; Yamila Miguel ; Mikal-Evans, Thomas ; Molaverdikhani, Karan ; Palle, Enric ; Piaulet, Caroline ; Rackham, Benjamin V ; Redfield, Seth ; Rogers, Laura K ; Pierre-Alexis, Roy ; Rustamkulov, Zafar ; Shkolnik, Evgenya L ; Sotzen, Kristin S ; Taylor, Jake ; Tremblin, P ; Tucker, Gregory S ; Turner, Jake D ; Miguel de Val-Borro ; Venot, Olivia ; Zhang, Xi</creator><creatorcontrib>Eva-Maria Ahrer ; Stevenson, Kevin B ; Mansfield, Megan ; Moran, Sarah E ; Brande, Jonathan ; Morello, Giuseppe ; Murray, Catriona A ; Nikolov, Nikolay K ; Dominique J M Petit dit de la Roche ; Everett Schlawin ; Wheatley, Peter J ; Zieba, Sebastian ; Batalha, Natasha E ; Damiano, Mario ; Goyal, Jayesh M ; Lendl, Monika ; Lothringer, Joshua D ; Mukherjee, Sagnick ; Ohno, Kazumasa ; Batalha, Natalie M ; Battley, Matthew P ; Bean, Jacob L ; Beatty, Thomas G ; Benneke, Björn ; Berta-Thompson, Zachory K ; Carter, Aarynn L ; Cubillos, Patricio E ; Daylan, Tansu ; Espinoza, Néstor ; Gao, Peter ; Gibson, Neale P ; Gill, Samuel ; Harrington, Joseph ; Hu, Renyu ; Kreidberg, Laura ; Lewis, Nikole K ; Line, Michael R ; López-Morales, Mercedes ; Parmentier, Vivien ; Powell, Diana K ; Sing, David K ; Shang-Min Tsai ; Wakeford, Hannah R ; Welbanks, Luis ; Alam, Munazza K ; Alderson, Lili ; Allen, Natalie H ; Anderson, David R ; Barstow, Joanna K ; Bayliss, Daniel ; Bell, Taylor J ; Blecic, Jasmina ; Bryant, Edward M ; Burleigh, Matthew R ; Carone, Ludmila ; Casewell, S L ; Changeat, Quentin ; Chubb, Katy L ; Crossfield, Ian J M ; Crouzet, Nicolas ; Decin, Leen ; Jean-Michel Désert ; Feinstein, Adina D ; Flagg, Laura ; tney, Jonathan J ; Gizis, John E ; Heng, Kevin ; Iro, Nicolas ; Kempton, Eliza M -R ; Kendrew, Sarah ; Kirk, James ; Knutson, Heather A ; Komacek, Thaddeus D ; Pierre-Olivier Lagage ; Leconte, Jérémy ; Lustig-Yaeger, Jacob ; MacDonald, Ryan J ; Mancini, Luigi ; May, E M ; Mayne, N J ; Yamila Miguel ; Mikal-Evans, Thomas ; Molaverdikhani, Karan ; Palle, Enric ; Piaulet, Caroline ; Rackham, Benjamin V ; Redfield, Seth ; Rogers, Laura K ; Pierre-Alexis, Roy ; Rustamkulov, Zafar ; Shkolnik, Evgenya L ; Sotzen, Kristin S ; Taylor, Jake ; Tremblin, P ; Tucker, Gregory S ; Turner, Jake D ; Miguel de Val-Borro ; Venot, Olivia ; Zhang, Xi</creatorcontrib><description>Measuring the metallicity and carbon-to-oxygen (C/O) ratio in exoplanet atmospheres is a fundamental step towards constraining the dominant chemical processes at work and, if in equilibrium, revealing planet formation histories. Transmission spectroscopy provides the necessary means by constraining the abundances of oxygen- and carbon-bearing species; however, this requires broad wavelength coverage, moderate spectral resolution, and high precision that, together, are not achievable with previous observatories. Now that JWST has commenced science operations, we are able to observe exoplanets at previously uncharted wavelengths and spectral resolutions. Here we report time-series observations of the transiting exoplanet WASP-39b using JWST's Near InfraRed Camera (NIRCam). The long-wavelength spectroscopic and short-wavelength photometric light curves span 2.0 - 4.0 \(\mu\)m, exhibit minimal systematics, and reveal well-defined molecular absorption features in the planet's spectrum. Specifically, we detect gaseous H\(_2\)O in the atmosphere and place an upper limit on the abundance of CH\(_4\). The otherwise prominent CO\(_2\) feature at 2.8 \(\mu\)m is largely masked by H\(_2\)O. The best-fit chemical equilibrium models favour an atmospheric metallicity of 1-100\(\times\) solar (i.e., an enrichment of elements heavier than helium relative to the Sun) and a sub-stellar carbon-to-oxygen (C/O) ratio. The inferred high metallicity and low C/O ratio may indicate significant accretion of solid materials during planet formation or disequilibrium processes in the upper atmosphere.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.2211.10489</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Abundance ; Astrochemistry ; Atmospheric models ; Carbon ; Chemical reactions ; Constraining ; Deposition ; Extrasolar planets ; Infrared cameras ; Infrared photometry ; Light curve ; Metallicity ; Molecular absorption ; Observatories ; Oxygen ; Physics - Earth and Planetary Astrophysics ; Physics - Instrumentation and Methods for Astrophysics ; Physics - Solar and Stellar Astrophysics ; Planet formation ; Planetary atmospheres ; Spectral resolution ; Transit ; Upper atmosphere</subject><ispartof>arXiv.org, 2022-11</ispartof><rights>2022. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>http://creativecommons.org/licenses/by/4.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,782,786,887,27932</link.rule.ids><backlink>$$Uhttps://doi.org/10.1038/s41586-022-05590-4$$DView published paper (Access to full text may be restricted)$$Hfree_for_read</backlink><backlink>$$Uhttps://doi.org/10.48550/arXiv.2211.10489$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Eva-Maria Ahrer</creatorcontrib><creatorcontrib>Stevenson, Kevin B</creatorcontrib><creatorcontrib>Mansfield, Megan</creatorcontrib><creatorcontrib>Moran, Sarah E</creatorcontrib><creatorcontrib>Brande, Jonathan</creatorcontrib><creatorcontrib>Morello, Giuseppe</creatorcontrib><creatorcontrib>Murray, Catriona A</creatorcontrib><creatorcontrib>Nikolov, Nikolay K</creatorcontrib><creatorcontrib>Dominique J M Petit dit de la Roche</creatorcontrib><creatorcontrib>Everett Schlawin</creatorcontrib><creatorcontrib>Wheatley, Peter J</creatorcontrib><creatorcontrib>Zieba, Sebastian</creatorcontrib><creatorcontrib>Batalha, Natasha E</creatorcontrib><creatorcontrib>Damiano, Mario</creatorcontrib><creatorcontrib>Goyal, Jayesh M</creatorcontrib><creatorcontrib>Lendl, Monika</creatorcontrib><creatorcontrib>Lothringer, Joshua D</creatorcontrib><creatorcontrib>Mukherjee, Sagnick</creatorcontrib><creatorcontrib>Ohno, Kazumasa</creatorcontrib><creatorcontrib>Batalha, Natalie M</creatorcontrib><creatorcontrib>Battley, Matthew P</creatorcontrib><creatorcontrib>Bean, Jacob L</creatorcontrib><creatorcontrib>Beatty, Thomas G</creatorcontrib><creatorcontrib>Benneke, Björn</creatorcontrib><creatorcontrib>Berta-Thompson, Zachory K</creatorcontrib><creatorcontrib>Carter, Aarynn L</creatorcontrib><creatorcontrib>Cubillos, Patricio E</creatorcontrib><creatorcontrib>Daylan, Tansu</creatorcontrib><creatorcontrib>Espinoza, Néstor</creatorcontrib><creatorcontrib>Gao, Peter</creatorcontrib><creatorcontrib>Gibson, Neale P</creatorcontrib><creatorcontrib>Gill, Samuel</creatorcontrib><creatorcontrib>Harrington, Joseph</creatorcontrib><creatorcontrib>Hu, Renyu</creatorcontrib><creatorcontrib>Kreidberg, Laura</creatorcontrib><creatorcontrib>Lewis, Nikole K</creatorcontrib><creatorcontrib>Line, Michael R</creatorcontrib><creatorcontrib>López-Morales, Mercedes</creatorcontrib><creatorcontrib>Parmentier, Vivien</creatorcontrib><creatorcontrib>Powell, Diana K</creatorcontrib><creatorcontrib>Sing, David K</creatorcontrib><creatorcontrib>Shang-Min Tsai</creatorcontrib><creatorcontrib>Wakeford, Hannah R</creatorcontrib><creatorcontrib>Welbanks, Luis</creatorcontrib><creatorcontrib>Alam, Munazza K</creatorcontrib><creatorcontrib>Alderson, Lili</creatorcontrib><creatorcontrib>Allen, Natalie H</creatorcontrib><creatorcontrib>Anderson, David R</creatorcontrib><creatorcontrib>Barstow, Joanna K</creatorcontrib><creatorcontrib>Bayliss, Daniel</creatorcontrib><creatorcontrib>Bell, Taylor J</creatorcontrib><creatorcontrib>Blecic, Jasmina</creatorcontrib><creatorcontrib>Bryant, Edward M</creatorcontrib><creatorcontrib>Burleigh, Matthew R</creatorcontrib><creatorcontrib>Carone, Ludmila</creatorcontrib><creatorcontrib>Casewell, S L</creatorcontrib><creatorcontrib>Changeat, Quentin</creatorcontrib><creatorcontrib>Chubb, Katy L</creatorcontrib><creatorcontrib>Crossfield, Ian J M</creatorcontrib><creatorcontrib>Crouzet, Nicolas</creatorcontrib><creatorcontrib>Decin, Leen</creatorcontrib><creatorcontrib>Jean-Michel Désert</creatorcontrib><creatorcontrib>Feinstein, Adina D</creatorcontrib><creatorcontrib>Flagg, Laura</creatorcontrib><creatorcontrib>tney, Jonathan J</creatorcontrib><creatorcontrib>Gizis, John E</creatorcontrib><creatorcontrib>Heng, Kevin</creatorcontrib><creatorcontrib>Iro, Nicolas</creatorcontrib><creatorcontrib>Kempton, Eliza M -R</creatorcontrib><creatorcontrib>Kendrew, Sarah</creatorcontrib><creatorcontrib>Kirk, James</creatorcontrib><creatorcontrib>Knutson, Heather A</creatorcontrib><creatorcontrib>Komacek, Thaddeus D</creatorcontrib><creatorcontrib>Pierre-Olivier Lagage</creatorcontrib><creatorcontrib>Leconte, Jérémy</creatorcontrib><creatorcontrib>Lustig-Yaeger, Jacob</creatorcontrib><creatorcontrib>MacDonald, Ryan J</creatorcontrib><creatorcontrib>Mancini, Luigi</creatorcontrib><creatorcontrib>May, E M</creatorcontrib><creatorcontrib>Mayne, N J</creatorcontrib><creatorcontrib>Yamila Miguel</creatorcontrib><creatorcontrib>Mikal-Evans, Thomas</creatorcontrib><creatorcontrib>Molaverdikhani, Karan</creatorcontrib><creatorcontrib>Palle, Enric</creatorcontrib><creatorcontrib>Piaulet, Caroline</creatorcontrib><creatorcontrib>Rackham, Benjamin V</creatorcontrib><creatorcontrib>Redfield, Seth</creatorcontrib><creatorcontrib>Rogers, Laura K</creatorcontrib><creatorcontrib>Pierre-Alexis, Roy</creatorcontrib><creatorcontrib>Rustamkulov, Zafar</creatorcontrib><creatorcontrib>Shkolnik, Evgenya L</creatorcontrib><creatorcontrib>Sotzen, Kristin S</creatorcontrib><creatorcontrib>Taylor, Jake</creatorcontrib><creatorcontrib>Tremblin, P</creatorcontrib><creatorcontrib>Tucker, Gregory S</creatorcontrib><creatorcontrib>Turner, Jake D</creatorcontrib><creatorcontrib>Miguel de Val-Borro</creatorcontrib><creatorcontrib>Venot, Olivia</creatorcontrib><creatorcontrib>Zhang, Xi</creatorcontrib><title>Early Release Science of the exoplanet WASP-39b with JWST NIRCam</title><title>arXiv.org</title><description>Measuring the metallicity and carbon-to-oxygen (C/O) ratio in exoplanet atmospheres is a fundamental step towards constraining the dominant chemical processes at work and, if in equilibrium, revealing planet formation histories. Transmission spectroscopy provides the necessary means by constraining the abundances of oxygen- and carbon-bearing species; however, this requires broad wavelength coverage, moderate spectral resolution, and high precision that, together, are not achievable with previous observatories. Now that JWST has commenced science operations, we are able to observe exoplanets at previously uncharted wavelengths and spectral resolutions. Here we report time-series observations of the transiting exoplanet WASP-39b using JWST's Near InfraRed Camera (NIRCam). The long-wavelength spectroscopic and short-wavelength photometric light curves span 2.0 - 4.0 \(\mu\)m, exhibit minimal systematics, and reveal well-defined molecular absorption features in the planet's spectrum. Specifically, we detect gaseous H\(_2\)O in the atmosphere and place an upper limit on the abundance of CH\(_4\). The otherwise prominent CO\(_2\) feature at 2.8 \(\mu\)m is largely masked by H\(_2\)O. The best-fit chemical equilibrium models favour an atmospheric metallicity of 1-100\(\times\) solar (i.e., an enrichment of elements heavier than helium relative to the Sun) and a sub-stellar carbon-to-oxygen (C/O) ratio. The inferred high metallicity and low C/O ratio may indicate significant accretion of solid materials during planet formation or disequilibrium processes in the upper atmosphere.</description><subject>Abundance</subject><subject>Astrochemistry</subject><subject>Atmospheric models</subject><subject>Carbon</subject><subject>Chemical reactions</subject><subject>Constraining</subject><subject>Deposition</subject><subject>Extrasolar planets</subject><subject>Infrared cameras</subject><subject>Infrared photometry</subject><subject>Light curve</subject><subject>Metallicity</subject><subject>Molecular absorption</subject><subject>Observatories</subject><subject>Oxygen</subject><subject>Physics - Earth and Planetary Astrophysics</subject><subject>Physics - Instrumentation and Methods for Astrophysics</subject><subject>Physics - Solar and Stellar Astrophysics</subject><subject>Planet formation</subject><subject>Planetary atmospheres</subject><subject>Spectral resolution</subject><subject>Transit</subject><subject>Upper atmosphere</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GOX</sourceid><recordid>eNotj81OwkAURicmJhLkAVw5ievizJ3O305CUDFEDW3CsplO74SSQrEtCm9vBVff5uTLOYTccTaOjZTs0TXH8nsMwPmYs9jYKzIAIXhkYoAbMmrbDWMMlAYpxYA8zVxTnegSK3Qt0sSXuPNI60C7NVI81vvK7bCjq0nyGQmb05-yW9O3VZLS9_ly6ra35Dq4qsXR_w5J-jxLp6_R4uNlPp0sImeljQoOhdRKMWckOs9t0SsFlgtUymru46AsQxtyCVIhB53HwRfax8Kr4I0XQ3J_uT3nZfum3LrmlP1lZufMnni4EPum_jpg22Wb-tDseqcMtDCaAQcjfgEw5lKY</recordid><startdate>20221118</startdate><enddate>20221118</enddate><creator>Eva-Maria Ahrer</creator><creator>Stevenson, Kevin B</creator><creator>Mansfield, Megan</creator><creator>Moran, Sarah E</creator><creator>Brande, 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Nicolas</creator><creator>Decin, Leen</creator><creator>Jean-Michel Désert</creator><creator>Feinstein, Adina D</creator><creator>Flagg, Laura</creator><creator>tney, Jonathan J</creator><creator>Gizis, John E</creator><creator>Heng, Kevin</creator><creator>Iro, Nicolas</creator><creator>Kempton, Eliza M -R</creator><creator>Kendrew, Sarah</creator><creator>Kirk, James</creator><creator>Knutson, Heather A</creator><creator>Komacek, Thaddeus D</creator><creator>Pierre-Olivier Lagage</creator><creator>Leconte, Jérémy</creator><creator>Lustig-Yaeger, Jacob</creator><creator>MacDonald, Ryan J</creator><creator>Mancini, Luigi</creator><creator>May, E M</creator><creator>Mayne, N J</creator><creator>Yamila Miguel</creator><creator>Mikal-Evans, Thomas</creator><creator>Molaverdikhani, Karan</creator><creator>Palle, Enric</creator><creator>Piaulet, Caroline</creator><creator>Rackham, Benjamin V</creator><creator>Redfield, Seth</creator><creator>Rogers, Laura K</creator><creator>Pierre-Alexis, Roy</creator><creator>Rustamkulov, Zafar</creator><creator>Shkolnik, Evgenya L</creator><creator>Sotzen, Kristin S</creator><creator>Taylor, Jake</creator><creator>Tremblin, P</creator><creator>Tucker, Gregory S</creator><creator>Turner, Jake D</creator><creator>Miguel de Val-Borro</creator><creator>Venot, Olivia</creator><creator>Zhang, Xi</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20221118</creationdate><title>Early Release Science of the exoplanet WASP-39b with JWST NIRCam</title><author>Eva-Maria Ahrer ; Stevenson, Kevin B ; Mansfield, Megan ; Moran, Sarah E ; Brande, Jonathan ; Morello, Giuseppe ; Murray, Catriona A ; Nikolov, Nikolay K ; Dominique J M Petit dit de la Roche ; Everett Schlawin ; Wheatley, Peter J ; Zieba, Sebastian ; Batalha, Natasha E ; Damiano, Mario ; Goyal, Jayesh M ; Lendl, Monika ; Lothringer, Joshua D ; Mukherjee, Sagnick ; Ohno, Kazumasa ; Batalha, Natalie M ; Battley, Matthew P ; Bean, Jacob L ; Beatty, Thomas G ; Benneke, Björn ; Berta-Thompson, Zachory K ; Carter, Aarynn L ; Cubillos, Patricio E ; Daylan, Tansu ; Espinoza, Néstor ; Gao, Peter ; Gibson, Neale P ; Gill, Samuel ; Harrington, Joseph ; Hu, Renyu ; Kreidberg, Laura ; Lewis, Nikole K ; Line, Michael R ; López-Morales, Mercedes ; Parmentier, Vivien ; Powell, Diana K ; Sing, David K ; Shang-Min Tsai ; Wakeford, Hannah R ; Welbanks, Luis ; Alam, Munazza K ; Alderson, Lili ; Allen, Natalie H ; Anderson, David R ; Barstow, Joanna K ; Bayliss, Daniel ; Bell, Taylor J ; Blecic, Jasmina ; Bryant, Edward M ; Burleigh, Matthew R ; Carone, Ludmila ; Casewell, S L ; Changeat, Quentin ; Chubb, Katy L ; Crossfield, Ian J M ; Crouzet, Nicolas ; Decin, Leen ; Jean-Michel Désert ; Feinstein, Adina D ; Flagg, Laura ; tney, Jonathan J ; Gizis, John E ; Heng, Kevin ; Iro, Nicolas ; Kempton, Eliza M -R ; Kendrew, Sarah ; Kirk, James ; Knutson, Heather A ; Komacek, Thaddeus D ; Pierre-Olivier Lagage ; Leconte, Jérémy ; Lustig-Yaeger, Jacob ; MacDonald, Ryan J ; Mancini, Luigi ; May, E M ; Mayne, N J ; Yamila Miguel ; Mikal-Evans, Thomas ; Molaverdikhani, Karan ; Palle, Enric ; Piaulet, Caroline ; Rackham, Benjamin V ; Redfield, Seth ; Rogers, Laura K ; Pierre-Alexis, Roy ; Rustamkulov, Zafar ; Shkolnik, Evgenya L ; Sotzen, Kristin S ; Taylor, Jake ; Tremblin, P ; Tucker, Gregory S ; Turner, Jake D ; Miguel de Val-Borro ; Venot, Olivia ; Zhang, Xi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a959-d12d57660a85eac19d331f0b3e66971c4f690e9fb5256e127b4fcd7c43c6fc8c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Abundance</topic><topic>Astrochemistry</topic><topic>Atmospheric models</topic><topic>Carbon</topic><topic>Chemical reactions</topic><topic>Constraining</topic><topic>Deposition</topic><topic>Extrasolar planets</topic><topic>Infrared cameras</topic><topic>Infrared photometry</topic><topic>Light curve</topic><topic>Metallicity</topic><topic>Molecular absorption</topic><topic>Observatories</topic><topic>Oxygen</topic><topic>Physics - Earth and Planetary Astrophysics</topic><topic>Physics - Instrumentation and Methods for Astrophysics</topic><topic>Physics - Solar and Stellar Astrophysics</topic><topic>Planet formation</topic><topic>Planetary atmospheres</topic><topic>Spectral resolution</topic><topic>Transit</topic><topic>Upper atmosphere</topic><toplevel>online_resources</toplevel><creatorcontrib>Eva-Maria Ahrer</creatorcontrib><creatorcontrib>Stevenson, Kevin B</creatorcontrib><creatorcontrib>Mansfield, Megan</creatorcontrib><creatorcontrib>Moran, Sarah E</creatorcontrib><creatorcontrib>Brande, Jonathan</creatorcontrib><creatorcontrib>Morello, Giuseppe</creatorcontrib><creatorcontrib>Murray, Catriona A</creatorcontrib><creatorcontrib>Nikolov, Nikolay K</creatorcontrib><creatorcontrib>Dominique J M Petit dit de la Roche</creatorcontrib><creatorcontrib>Everett Schlawin</creatorcontrib><creatorcontrib>Wheatley, Peter J</creatorcontrib><creatorcontrib>Zieba, Sebastian</creatorcontrib><creatorcontrib>Batalha, Natasha E</creatorcontrib><creatorcontrib>Damiano, Mario</creatorcontrib><creatorcontrib>Goyal, Jayesh M</creatorcontrib><creatorcontrib>Lendl, Monika</creatorcontrib><creatorcontrib>Lothringer, Joshua D</creatorcontrib><creatorcontrib>Mukherjee, Sagnick</creatorcontrib><creatorcontrib>Ohno, Kazumasa</creatorcontrib><creatorcontrib>Batalha, Natalie M</creatorcontrib><creatorcontrib>Battley, Matthew P</creatorcontrib><creatorcontrib>Bean, Jacob L</creatorcontrib><creatorcontrib>Beatty, Thomas G</creatorcontrib><creatorcontrib>Benneke, Björn</creatorcontrib><creatorcontrib>Berta-Thompson, Zachory K</creatorcontrib><creatorcontrib>Carter, Aarynn L</creatorcontrib><creatorcontrib>Cubillos, Patricio E</creatorcontrib><creatorcontrib>Daylan, Tansu</creatorcontrib><creatorcontrib>Espinoza, Néstor</creatorcontrib><creatorcontrib>Gao, Peter</creatorcontrib><creatorcontrib>Gibson, Neale P</creatorcontrib><creatorcontrib>Gill, Samuel</creatorcontrib><creatorcontrib>Harrington, Joseph</creatorcontrib><creatorcontrib>Hu, Renyu</creatorcontrib><creatorcontrib>Kreidberg, Laura</creatorcontrib><creatorcontrib>Lewis, Nikole K</creatorcontrib><creatorcontrib>Line, Michael R</creatorcontrib><creatorcontrib>López-Morales, Mercedes</creatorcontrib><creatorcontrib>Parmentier, Vivien</creatorcontrib><creatorcontrib>Powell, Diana K</creatorcontrib><creatorcontrib>Sing, David K</creatorcontrib><creatorcontrib>Shang-Min Tsai</creatorcontrib><creatorcontrib>Wakeford, Hannah R</creatorcontrib><creatorcontrib>Welbanks, Luis</creatorcontrib><creatorcontrib>Alam, Munazza K</creatorcontrib><creatorcontrib>Alderson, Lili</creatorcontrib><creatorcontrib>Allen, Natalie H</creatorcontrib><creatorcontrib>Anderson, David R</creatorcontrib><creatorcontrib>Barstow, Joanna K</creatorcontrib><creatorcontrib>Bayliss, Daniel</creatorcontrib><creatorcontrib>Bell, Taylor J</creatorcontrib><creatorcontrib>Blecic, Jasmina</creatorcontrib><creatorcontrib>Bryant, Edward M</creatorcontrib><creatorcontrib>Burleigh, Matthew R</creatorcontrib><creatorcontrib>Carone, Ludmila</creatorcontrib><creatorcontrib>Casewell, S L</creatorcontrib><creatorcontrib>Changeat, Quentin</creatorcontrib><creatorcontrib>Chubb, Katy L</creatorcontrib><creatorcontrib>Crossfield, Ian J M</creatorcontrib><creatorcontrib>Crouzet, Nicolas</creatorcontrib><creatorcontrib>Decin, Leen</creatorcontrib><creatorcontrib>Jean-Michel Désert</creatorcontrib><creatorcontrib>Feinstein, Adina D</creatorcontrib><creatorcontrib>Flagg, Laura</creatorcontrib><creatorcontrib>tney, Jonathan J</creatorcontrib><creatorcontrib>Gizis, John E</creatorcontrib><creatorcontrib>Heng, Kevin</creatorcontrib><creatorcontrib>Iro, Nicolas</creatorcontrib><creatorcontrib>Kempton, Eliza M -R</creatorcontrib><creatorcontrib>Kendrew, Sarah</creatorcontrib><creatorcontrib>Kirk, James</creatorcontrib><creatorcontrib>Knutson, Heather A</creatorcontrib><creatorcontrib>Komacek, Thaddeus D</creatorcontrib><creatorcontrib>Pierre-Olivier Lagage</creatorcontrib><creatorcontrib>Leconte, Jérémy</creatorcontrib><creatorcontrib>Lustig-Yaeger, Jacob</creatorcontrib><creatorcontrib>MacDonald, Ryan J</creatorcontrib><creatorcontrib>Mancini, Luigi</creatorcontrib><creatorcontrib>May, E M</creatorcontrib><creatorcontrib>Mayne, N J</creatorcontrib><creatorcontrib>Yamila Miguel</creatorcontrib><creatorcontrib>Mikal-Evans, Thomas</creatorcontrib><creatorcontrib>Molaverdikhani, Karan</creatorcontrib><creatorcontrib>Palle, Enric</creatorcontrib><creatorcontrib>Piaulet, Caroline</creatorcontrib><creatorcontrib>Rackham, Benjamin V</creatorcontrib><creatorcontrib>Redfield, Seth</creatorcontrib><creatorcontrib>Rogers, Laura K</creatorcontrib><creatorcontrib>Pierre-Alexis, Roy</creatorcontrib><creatorcontrib>Rustamkulov, Zafar</creatorcontrib><creatorcontrib>Shkolnik, Evgenya L</creatorcontrib><creatorcontrib>Sotzen, Kristin S</creatorcontrib><creatorcontrib>Taylor, Jake</creatorcontrib><creatorcontrib>Tremblin, P</creatorcontrib><creatorcontrib>Tucker, Gregory S</creatorcontrib><creatorcontrib>Turner, Jake D</creatorcontrib><creatorcontrib>Miguel de Val-Borro</creatorcontrib><creatorcontrib>Venot, Olivia</creatorcontrib><creatorcontrib>Zhang, Xi</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Eva-Maria Ahrer</au><au>Stevenson, Kevin B</au><au>Mansfield, Megan</au><au>Moran, Sarah E</au><au>Brande, Jonathan</au><au>Morello, Giuseppe</au><au>Murray, Catriona A</au><au>Nikolov, Nikolay K</au><au>Dominique J M Petit dit de la Roche</au><au>Everett Schlawin</au><au>Wheatley, Peter J</au><au>Zieba, Sebastian</au><au>Batalha, Natasha E</au><au>Damiano, Mario</au><au>Goyal, Jayesh M</au><au>Lendl, Monika</au><au>Lothringer, Joshua D</au><au>Mukherjee, Sagnick</au><au>Ohno, Kazumasa</au><au>Batalha, Natalie M</au><au>Battley, Matthew P</au><au>Bean, Jacob L</au><au>Beatty, Thomas G</au><au>Benneke, Björn</au><au>Berta-Thompson, Zachory K</au><au>Carter, Aarynn L</au><au>Cubillos, Patricio E</au><au>Daylan, Tansu</au><au>Espinoza, Néstor</au><au>Gao, Peter</au><au>Gibson, Neale P</au><au>Gill, Samuel</au><au>Harrington, Joseph</au><au>Hu, Renyu</au><au>Kreidberg, Laura</au><au>Lewis, Nikole K</au><au>Line, Michael R</au><au>López-Morales, Mercedes</au><au>Parmentier, Vivien</au><au>Powell, Diana K</au><au>Sing, David K</au><au>Shang-Min Tsai</au><au>Wakeford, Hannah R</au><au>Welbanks, Luis</au><au>Alam, Munazza K</au><au>Alderson, Lili</au><au>Allen, Natalie H</au><au>Anderson, David R</au><au>Barstow, Joanna K</au><au>Bayliss, Daniel</au><au>Bell, Taylor J</au><au>Blecic, Jasmina</au><au>Bryant, Edward M</au><au>Burleigh, Matthew R</au><au>Carone, Ludmila</au><au>Casewell, S L</au><au>Changeat, Quentin</au><au>Chubb, Katy L</au><au>Crossfield, Ian J M</au><au>Crouzet, Nicolas</au><au>Decin, Leen</au><au>Jean-Michel Désert</au><au>Feinstein, Adina D</au><au>Flagg, Laura</au><au>tney, Jonathan J</au><au>Gizis, John E</au><au>Heng, Kevin</au><au>Iro, Nicolas</au><au>Kempton, Eliza M -R</au><au>Kendrew, Sarah</au><au>Kirk, James</au><au>Knutson, Heather A</au><au>Komacek, Thaddeus D</au><au>Pierre-Olivier Lagage</au><au>Leconte, Jérémy</au><au>Lustig-Yaeger, Jacob</au><au>MacDonald, Ryan J</au><au>Mancini, Luigi</au><au>May, E M</au><au>Mayne, N J</au><au>Yamila Miguel</au><au>Mikal-Evans, Thomas</au><au>Molaverdikhani, Karan</au><au>Palle, Enric</au><au>Piaulet, Caroline</au><au>Rackham, Benjamin V</au><au>Redfield, Seth</au><au>Rogers, Laura K</au><au>Pierre-Alexis, Roy</au><au>Rustamkulov, Zafar</au><au>Shkolnik, Evgenya L</au><au>Sotzen, Kristin S</au><au>Taylor, Jake</au><au>Tremblin, P</au><au>Tucker, Gregory S</au><au>Turner, Jake D</au><au>Miguel de Val-Borro</au><au>Venot, Olivia</au><au>Zhang, Xi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Early Release Science of the exoplanet WASP-39b with JWST NIRCam</atitle><jtitle>arXiv.org</jtitle><date>2022-11-18</date><risdate>2022</risdate><eissn>2331-8422</eissn><abstract>Measuring the metallicity and carbon-to-oxygen (C/O) ratio in exoplanet atmospheres is a fundamental step towards constraining the dominant chemical processes at work and, if in equilibrium, revealing planet formation histories. Transmission spectroscopy provides the necessary means by constraining the abundances of oxygen- and carbon-bearing species; however, this requires broad wavelength coverage, moderate spectral resolution, and high precision that, together, are not achievable with previous observatories. Now that JWST has commenced science operations, we are able to observe exoplanets at previously uncharted wavelengths and spectral resolutions. Here we report time-series observations of the transiting exoplanet WASP-39b using JWST's Near InfraRed Camera (NIRCam). The long-wavelength spectroscopic and short-wavelength photometric light curves span 2.0 - 4.0 \(\mu\)m, exhibit minimal systematics, and reveal well-defined molecular absorption features in the planet's spectrum. Specifically, we detect gaseous H\(_2\)O in the atmosphere and place an upper limit on the abundance of CH\(_4\). The otherwise prominent CO\(_2\) feature at 2.8 \(\mu\)m is largely masked by H\(_2\)O. The best-fit chemical equilibrium models favour an atmospheric metallicity of 1-100\(\times\) solar (i.e., an enrichment of elements heavier than helium relative to the Sun) and a sub-stellar carbon-to-oxygen (C/O) ratio. The inferred high metallicity and low C/O ratio may indicate significant accretion of solid materials during planet formation or disequilibrium processes in the upper atmosphere.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.2211.10489</doi><oa>free_for_read</oa></addata></record> |
fulltext | fulltext |
identifier | EISSN: 2331-8422 |
ispartof | arXiv.org, 2022-11 |
issn | 2331-8422 |
language | eng |
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source | Freely Accessible Journals; arXiv.org |
subjects | Abundance Astrochemistry Atmospheric models Carbon Chemical reactions Constraining Deposition Extrasolar planets Infrared cameras Infrared photometry Light curve Metallicity Molecular absorption Observatories Oxygen Physics - Earth and Planetary Astrophysics Physics - Instrumentation and Methods for Astrophysics Physics - Solar and Stellar Astrophysics Planet formation Planetary atmospheres Spectral resolution Transit Upper atmosphere |
title | Early Release Science of the exoplanet WASP-39b with JWST NIRCam |
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