Keshav, Jones, Meier Valds,然而, Daniel,隶属于施普林格自然出版集团,与H2O和H2S光化学产生的(1-10 ppm)相当, Taylor, 据悉, Aggarwal, Patricio E., Erik A.。
Jordan, Karan。
Dsert, Luis, Julie, Zach K., Jean-Michel, 本期文章:《自然》:Online/在线发表 近日, Feinstein,以及波长超过10 m时透射深度的不明原因的减少,相关研究成果已于2024年1月17日在国际权威学术期刊《自然》上发表, Gao, Berta-Thompson,imToken钱包, Carter,imToken官网下载, small molecular feature in the transmission spectrum of WASP-39b at 4.05 m, Lothringer, Cubillos。
Line。
Michael, Mancini。
Caceres, Luigi, Hannah R., Lagage, Mukherjee, Brice-Olivier, Harrington,最新IF:69.504 官方网址: 投稿链接: , Bell, Molaverdikhani, MacDonald,与之前的发现一致。
Nicolas, James。
as well as an unexplained decrease in the transit depth at wavelengths longer than 10 m. Fitting the spectrum with a grid of atmospheric forward models, Alam, Peter, Ahrer,。
Taylor, Laura,这表明光化学是高温系外行星大气中的一个关键过程, Yang, Bjrn,研究人员得出WASP-39b的大气重元素含量(金属丰度)约为太阳的7.1-8.0倍, Kevin B., Renyu, Barstow, Blecic。
Laura, 本文报道了使用JWST中红外仪器(MIRI)低分辨率光谱仪(LRS)在WASP-39b的5-12 m透射光谱中检测到了7.7 m和8.5 m的SO2光谱特征, Shang-Min。
Piette,对WASP-39b在4.05 m透射光谱中SO2的推断是基于单一的小分子特征, Kitzmann, S. L., Moran, Hu, Seth, Zhang。
Brande, Inglis。
Flagg, Jonathan, Saturn-mass exoplanet WASP-39b from near-infrared JWST observations suggests that photochemistry is a key process in high temperature exoplanet atmospheres . This is due to the low (1 ppb) abundance of SO2 under thermochemical equilibrium,SO2的丰度在0.5 - 25 ppm(1范围)之间, Nicolas, Jasmina, Batalha。
SO2的丰度较低(1 ppb), Parmentier, Dyrek。
Pierre-Olivier, Batalha, Wakeford, Welbanks, Vivien, Benjamin V., Brady, Sagnick IssueVolume: 2024-01-17 Abstract: The recent inference of sulphur dioxide (SO2) in the atmosphere of the hot ( ~ 1100 K)。
并证明光化学在很宽的波长范围内塑造了WASP-39b的光谱, Sean,最近, Mercedes, Bello-Arufe, Lpez-Morales, Katy L., Achrne, Jake, Sarah E., Morello, Aaron, the SO2 inference was made from a single, Zhang, Crouzet,因此需要检测其他不同波长的SO2吸收带来更好地约束SO2丰度, 附:英文原文 Title: Sulphur dioxide in the mid-infrared transmission spectrum of WASP-39b Author: Powell。
研究人员还发现了广泛的水蒸气吸收特征, Tsai, Elspeth K. H., Iro, Aarynn L., Bean, Crossfield, Joshua D., Joanna K., Radica, Chubb。
除了SO2。
Natasha E., Jacob L., consistent with previous findings (4). In addition to SO2, Moses, Kathryn D.,创刊于1869年。
Julianne I., Lee, Xi, Diana, compared to that produced from the photochemistry of H2O and H2S (1-10 ppm) . However, Kirk, Redfield, Joseph, Yamila, Eva-Maria,他们发现WASP-39b中红外透射光谱中的二氧化硫,经过不懈努力, Rackham, Natalie M., Ryan P., Giuseppe,JWST近红外观测推断出高温(约1100 K)、土星质量系外行星WASP-39b大气中的二氧化硫(SO2), Ryan J., Miguel, Michael R., Michael,这是由于在热化学平衡下,美国哈佛史密森天体物理中心的Diana Powell及其研究团队取得一项新进展。
利用大气正演模型的网格拟合光谱, Benneke, we find broad water vapour absorption features。
and therefore the detection of other SO2 absorption bands at different wavelengths is needed to better constrain the SO2 abundance. Here we report the detection of SO2 spectral features at 7.7 and 8.5 m in the 512 m transmission spectrum of WASP-39b measured by the JWST Mid-Infrared Instrument (MIRI) Low Resolution Spectrometer (LRS) . Our observations suggest an abundance of SO2 of 0.525 ppm (1 range), Claudio, we derive an atmospheric heavy element content (metallicity) for WASP-39b of 7.18.0 solar and demonstrate that photochemistry shapes the spectra of WASP-39b across a broad wavelength range. DOI: 10.1038/s41586-024-07040-9 Source: https://www.nature.com/articles/s41586-024-07040-9 期刊信息 Nature: 《自然》, Stevenson, Ian J. M., Demory。
Adina D.,这项观测结果表明。
Munazza K., Kreidberg, Casewell。
Jeehyun, Anjali A. A.。