Buchumschlag

A Benchmark JWST Near-Infrared Spectrum for the Exoplanet WASP-39b

Fuente: arXiv

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Bibliographische Detailangaben
Hauptverfasser:	Carter, A. L., May, E. M., Espinoza, N., Welbanks, L., Ahrer, E., Alderson, L., Brahm, R., Feinstein, A. D., Grant, D., Line, M., Morello, G., O'Steen, R., Radica, M., Rustamkulov, Z., Stevenson, K. B., Turner, J. D., Alam, M. K., Anderson, D. R., Batalha, N. M., Battley, M. P., Bayliss, D., Bean, J. L., Benneke, B., Berta-Thompson, Z. K., Brande, J., Bryant, E. M., Burleigh, M. R., Coulombe, L., Crossfield, I. J. M., Damiano, M., Désert, J. -M., Flagg, L., Gill, S., Inglis, J., Kirk, J., Knutson, H., Kreidberg, L., Morales, M. López, Mansfield, M., Moran, S. E., Murray, C. A., Nixon, M. C., de la Roche, D. J. M. Petit dit, Rackham, B. V., Schlawin, E., Sing, D. K., Wakeford, H. R., Wallack, N. L., Wheatley, P. J., Zieba, S., Aggarwal, K., Barstow, J. K., Bell, T. J., Blecic, J., Caceres, C., Crouzet, N., Cubillos, P. E., Daylan, T., de Val-Borro, M., Decin, L., Fortney, J. J., Gibson, N. P., Heng, K., Hu, R., Kempton, E M. -R., Lagage, P., Lothringer, J. D., Lustig-Yaeger, J., Mancini, L., Mayne, N. J., Mayorga, L. C., Molaverdikhani, K., Nasedkin, E., Ohno, K., Parmentier, V., Powell, D., Redfield, S., Roy, P., Taylor, J., Zhang, X.
Format:	Preprint
Veröffentlicht:	2024
Schlagworte:	Earth and Planetary Astrophysics
Online-Zugang:	Acceder al recurso
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_version_	1866913436688973824
author	Carter, A. L. May, E. M. Espinoza, N. Welbanks, L. Ahrer, E. Alderson, L. Brahm, R. Feinstein, A. D. Grant, D. Line, M. Morello, G. O'Steen, R. Radica, M. Rustamkulov, Z. Stevenson, K. B. Turner, J. D. Alam, M. K. Anderson, D. R. Batalha, N. M. Battley, M. P. Bayliss, D. Bean, J. L. Benneke, B. Berta-Thompson, Z. K. Brande, J. Bryant, E. M. Burleigh, M. R. Coulombe, L. Crossfield, I. J. M. Damiano, M. Désert, J. -M. Flagg, L. Gill, S. Inglis, J. Kirk, J. Knutson, H. Kreidberg, L. Morales, M. López Mansfield, M. Moran, S. E. Murray, C. A. Nixon, M. C. de la Roche, D. J. M. Petit dit Rackham, B. V. Schlawin, E. Sing, D. K. Wakeford, H. R. Wallack, N. L. Wheatley, P. J. Zieba, S. Aggarwal, K. Barstow, J. K. Bell, T. J. Blecic, J. Caceres, C. Crouzet, N. Cubillos, P. E. Daylan, T. de Val-Borro, M. Decin, L. Fortney, J. J. Gibson, N. P. Heng, K. Hu, R. Kempton, E M. -R. Lagage, P. Lothringer, J. D. Lustig-Yaeger, J. Mancini, L. Mayne, N. J. Mayorga, L. C. Molaverdikhani, K. Nasedkin, E. Ohno, K. Parmentier, V. Powell, D. Redfield, S. Roy, P. Taylor, J. Zhang, X.
author_facet	Carter, A. L. May, E. M. Espinoza, N. Welbanks, L. Ahrer, E. Alderson, L. Brahm, R. Feinstein, A. D. Grant, D. Line, M. Morello, G. O'Steen, R. Radica, M. Rustamkulov, Z. Stevenson, K. B. Turner, J. D. Alam, M. K. Anderson, D. R. Batalha, N. M. Battley, M. P. Bayliss, D. Bean, J. L. Benneke, B. Berta-Thompson, Z. K. Brande, J. Bryant, E. M. Burleigh, M. R. Coulombe, L. Crossfield, I. J. M. Damiano, M. Désert, J. -M. Flagg, L. Gill, S. Inglis, J. Kirk, J. Knutson, H. Kreidberg, L. Morales, M. López Mansfield, M. Moran, S. E. Murray, C. A. Nixon, M. C. de la Roche, D. J. M. Petit dit Rackham, B. V. Schlawin, E. Sing, D. K. Wakeford, H. R. Wallack, N. L. Wheatley, P. J. Zieba, S. Aggarwal, K. Barstow, J. K. Bell, T. J. Blecic, J. Caceres, C. Crouzet, N. Cubillos, P. E. Daylan, T. de Val-Borro, M. Decin, L. Fortney, J. J. Gibson, N. P. Heng, K. Hu, R. Kempton, E M. -R. Lagage, P. Lothringer, J. D. Lustig-Yaeger, J. Mancini, L. Mayne, N. J. Mayorga, L. C. Molaverdikhani, K. Nasedkin, E. Ohno, K. Parmentier, V. Powell, D. Redfield, S. Roy, P. Taylor, J. Zhang, X.
contents	Observing exoplanets through transmission spectroscopy supplies detailed information on their atmospheric composition, physics, and chemistry. Prior to JWST, these observations were limited to a narrow wavelength range across the near-ultraviolet to near-infrared, alongside broadband photometry at longer wavelengths. To understand more complex properties of exoplanet atmospheres, improved wavelength coverage and resolution are necessary to robustly quantify the influence of a broader range of absorbing molecular species. Here we present a combined analysis of JWST transmission spectroscopy across four different instrumental modes spanning 0.5-5.2 micron using Early Release Science observations of the Saturn-mass exoplanet WASP-39b. Our uniform analysis constrains the orbital and stellar parameters within sub-percent precision, including matching the precision obtained by the most precise asteroseismology measurements of stellar density to-date, and further confirms the presence of Na, K, H$_2$O, CO, CO$_2$, and SO$_2$ atmospheric absorbers. Through this process, we also improve the agreement between the transmission spectra of all modes, except for the NIRSpec PRISM, which is affected by partial saturation of the detector. This work provides strong evidence that uniform light curve analysis is an important aspect to ensuring reliability when comparing the high-precision transmission spectra provided by JWST.
format	Preprint
id	arxiv_https___arxiv_org_abs_2407_13893
institution	arXiv
publishDate	2024
record_format	arxiv
spellingShingle	A Benchmark JWST Near-Infrared Spectrum for the Exoplanet WASP-39b Carter, A. L. May, E. M. Espinoza, N. Welbanks, L. Ahrer, E. Alderson, L. Brahm, R. Feinstein, A. D. Grant, D. Line, M. Morello, G. O'Steen, R. Radica, M. Rustamkulov, Z. Stevenson, K. B. Turner, J. D. Alam, M. K. Anderson, D. R. Batalha, N. M. Battley, M. P. Bayliss, D. Bean, J. L. Benneke, B. Berta-Thompson, Z. K. Brande, J. Bryant, E. M. Burleigh, M. R. Coulombe, L. Crossfield, I. J. M. Damiano, M. Désert, J. -M. Flagg, L. Gill, S. Inglis, J. Kirk, J. Knutson, H. Kreidberg, L. Morales, M. López Mansfield, M. Moran, S. E. Murray, C. A. Nixon, M. C. de la Roche, D. J. M. Petit dit Rackham, B. V. Schlawin, E. Sing, D. K. Wakeford, H. R. Wallack, N. L. Wheatley, P. J. Zieba, S. Aggarwal, K. Barstow, J. K. Bell, T. J. Blecic, J. Caceres, C. Crouzet, N. Cubillos, P. E. Daylan, T. de Val-Borro, M. Decin, L. Fortney, J. J. Gibson, N. P. Heng, K. Hu, R. Kempton, E M. -R. Lagage, P. Lothringer, J. D. Lustig-Yaeger, J. Mancini, L. Mayne, N. J. Mayorga, L. C. Molaverdikhani, K. Nasedkin, E. Ohno, K. Parmentier, V. Powell, D. Redfield, S. Roy, P. Taylor, J. Zhang, X. Earth and Planetary Astrophysics Observing exoplanets through transmission spectroscopy supplies detailed information on their atmospheric composition, physics, and chemistry. Prior to JWST, these observations were limited to a narrow wavelength range across the near-ultraviolet to near-infrared, alongside broadband photometry at longer wavelengths. To understand more complex properties of exoplanet atmospheres, improved wavelength coverage and resolution are necessary to robustly quantify the influence of a broader range of absorbing molecular species. Here we present a combined analysis of JWST transmission spectroscopy across four different instrumental modes spanning 0.5-5.2 micron using Early Release Science observations of the Saturn-mass exoplanet WASP-39b. Our uniform analysis constrains the orbital and stellar parameters within sub-percent precision, including matching the precision obtained by the most precise asteroseismology measurements of stellar density to-date, and further confirms the presence of Na, K, H$_2$O, CO, CO$_2$, and SO$_2$ atmospheric absorbers. Through this process, we also improve the agreement between the transmission spectra of all modes, except for the NIRSpec PRISM, which is affected by partial saturation of the detector. This work provides strong evidence that uniform light curve analysis is an important aspect to ensuring reliability when comparing the high-precision transmission spectra provided by JWST.
title	A Benchmark JWST Near-Infrared Spectrum for the Exoplanet WASP-39b
topic	Earth and Planetary Astrophysics
url	https://arxiv.org/abs/2407.13893