The DOI matches its Crossref record; 10 of the 10 references it cites were found in a registry or an index.
THE IMPRINT OF EXOPLANET FORMATION HISTORY ON OBSERVABLE PRESENT-DAY SPECTRA OF HOT JUPITERS
Open accessAbstract
The composition of a planet’s atmosphere is determined by its formation, evolution, and present-day insolation. A planet’s spectrum therefore may hold clues on its origins. We present a “chain” of models, linking the formation of a planet to its observable present-day spectrum. The chain links include (1) the planet’s formation and migration, (2) its long-term thermodynamic evolution, (3) a variety of disk chemistry models, (4) a non-gray atmospheric model, and (5) a radiometric model to obtain simulated spectroscopic observations with James Webb Space Telescope and ARIEL. In our standard chemistry model the inner disk is depleted in refractory carbon as in the Solar System and in white dwarfs polluted by extrasolar planetesimals. Our main findings are: (1) envelope enrichment by planetesimal impacts during formation dominates the final planetary atmospheric composition of hot Jupiters. We investigate two, under this finding, prototypical formation pathways: a formation inside or outside the water iceline, called “dry” and “wet” planets, respectively. (2) Both the “dry” and “wet” planets are oxygen-rich (C/O < 1) due to the oxygen-rich nature of the solid building blocks. The “dry” planet’s C/O ratio is <0.2 for standard carbon depletion, while the “wet” planet has typical C/O values between 0.1 and 0.5 depending mainly on the clathrate formation efficiency. Only non-standard disk chemistries without carbon depletion lead to carbon-rich C/O ratios >1 for the “dry” planet. (3) While we consistently find C/O ratios <1, they still vary significantly. To link a formation history to a specific C/O, a better understanding of the disk chemistry is thus needed.
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Cites
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HOT STARS WITH HOT JUPITERS HAVE HIGH OBLIQUITIES
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Cited by
Kempton, E. M.-R., Bean, J. L., Louie, D. R., Deming, D., Koll, D. D. B., Mansfield, M., Christiansen, J. L., López-Morales, M., Swain, M. R., Zellem, R. T., et al. (2018) · Publications of the Astronomical Society of the Pacific · doi:10.1088/1538-3873/aadf6f · Cited by 587
PandExo: A Community Tool for Transiting Exoplanet Science with JWST&HST
Batalha, N. E., Mandell, A., Pontoppidan, K., Stevenson, K. B., Lewis, N. K., Kalirai, J., Earl, N., Greene, T., Albert, L., & Nielsen, L. D. (2017) · Publications of the Astronomical Society of the Pacific · doi:10.1088/1538-3873/aa65b0 · Cited by 328
Molecules with ALMA at Planet-forming Scales (MAPS). I. Program Overview and Highlights
Öberg, K. I., Guzmán, V. V., Walsh, C., Aikawa, Y., Bergin, E. A., Law, C. J., Loomis, R. A., Alarcón, F., Andrews, S. M., Bae, J., et al. (2021) · The Astrophysical Journal Supplement Series · doi:10.3847/1538-4365/ac1432 · Cited by 280
Metadata
- Authors
- Mordasini, C., van Boekel, R., Mollière, P., Henning, T., & Benneke, B.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 2016-11-15
- Volume
- 832
- Issue
- 1
- Pages
- 41
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2518835803
- Cited by
- 380
- References
- 10
- FWCI
- 17.09
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Mordasini, C., van Boekel, R., Mollière, P., Henning, T., & Benneke, B. (2016). THE IMPRINT OF EXOPLANET FORMATION HISTORY ON OBSERVABLE PRESENT-DAY SPECTRA OF HOT JUPITERS. The Astrophysical Journal. https://doi.org/10.3847/0004-637x/832/1/41
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