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相关论文: A high-resolution line list for AlO

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The recently-computed ExoMol line lists for isotopologues of AlH are used to analyse the blue spectrum (4000-4500 {\AA}) of Proxima Cen (M5.5 V). Comparison of the observed and computed spectra enables the identification of a large number…

A variationally computed $^{28}$SiH$_4$ rotation-vibration line list applicable for temperatures up to $T=1200\,$K is presented. The line list, called OY2T, considers transitions with rotational excitation up to $J=42$ in the wavenumber…

化学物理 · 物理学 2017-12-29 A. Owens , A. Yachmenev , W. Thiel , J. Tennyson , S. N. Yurchenko

A semi-empirical IR/Vis line list, SOLIS, for the sulphur monoxide molecule $^{32}$S$^{16}$O is presented. SOLIS includes accurate empirical rovibrational energy levels, uncertainties, lifetimes, quantum number assignments, and transition…

地球与行星天体物理 · 物理学 2023-12-18 Ryan P. Brady , Sergei N. Yurchenko , Jonathan Tennyson , Gap-Sue Kim

Studying the atmospheres of exoplanets is one of the most promising ways to learn about distant worlds beyond our solar system. The composition of an exoplanet's atmosphere can provide critical insights into its geology and potential…

地球与行星天体物理 · 物理学 2025-05-05 Surangkhana Rukdee

Aluminium monoxide, AlO, is likely efficiently depleted from the gas around oxygen-rich evolved stars to form alumina clusters and dust seeds. Its presence in the extended atmospheres of evolved stars has been derived from optical…

太阳与恒星天体物理 · 物理学 2017-02-01 E. De Beck , L. Decin , S. Ramstedt , H. Olofsson , K. M. Menten , N. A. Patel , W. H. T. Vlemmings

A new silicon monoxide ($^{28}$Si$^{16}$O) line list covering infrared, visible and ultraviolet regions called SiOUVenIR is presented. This line list extends the infrared EBJT ExoMol line list by including vibronic transitions to the…

New line lists for four isotopologues of nickel monohydride, $^{58}$NiH, $^{60}$NiH, $^{62}$NiH, and $^{58}$NiD are presented covering the wavenumber range $<10000$ cm$^{-1}$ ($\lambda > 1$ $\mu$m), $J$ up to 37.5 for transitions within and…

A new line list for ethylene, $^{12}$C$_2$$^1$H$_4$ is presented. The line list is based on high level ab initio potential energy and dipole moment surfaces. The potential energy surface is refined by fitting to experimental energies. The…

地球与行星天体物理 · 物理学 2018-08-21 Barry P. Mant , Andrey Yachmenev , Jonathan Tennyson , Sergei N. Yurchenko

New molecular line lists for calcium monohydride ($^{40}$Ca$^{1}$H) and magnesium monohydride ($^{24}$Mg$^{1}$H) and its minor isotopologues ($^{25}$Mg$^{1}$H and $^{26}$Mg$^{1}$H) are presented. The rotation-vibration-electronic…

地球与行星天体物理 · 物理学 2022-10-25 Alec Owens , Sophie Dooley , Luke McLaughlin , Brandon Tan , Guanming Zhang , Sergei N. Yurchenko , Jonathan Tennyson

Accurate line lists for three molecules, BeH, MgH and CaH, in their ground electronic states are presented. These line lists are suitable for temperatures relevant to exoplanetary atmospheres and cool stars (up to 2000K). A combination of…

太阳与恒星天体物理 · 物理学 2012-08-22 Benjamin Yadin , Thomas Veness , Pierandrea Conti , Christian Hill , Sergei N. Yurchenko , Jonathan Tennyson

The majority of stars are now thought to support exoplanets. Many of those exoplanets discovered thus far are categorized as rocky objects with an atmosphere. Most of these objects are however hot due to their short orbital period. Models…

地球与行星天体物理 · 物理学 2017-06-13 Jonathan Tennyson , Sergei N. Yurchenko

A revised rotation-vibration line list for the combined hydrogen cyanide (HCN) / hydrogen isocyanide (HNC) system is presented. The line list uses {\it ab initio} transition intensities calculated previously (Harris et al., ApJ, 2002, 578,…

太阳与恒星天体物理 · 物理学 2014-06-27 R. J. Barber , J. K. Strange , C. Hill , O. L. Polyansky , G. Ch. Mellau , S. N. Yurchenko , Jonathan Tennyson

The spectrum of dicarbon (C2) is important in astrophysics and for spectroscopic studies of plasmas and flames. The C2 spectrum is characterized by many band systems with new ones still being actively identified; astronomical observations…

Determining the atmospheric structure and chemical composition of an exoplanet remains a formidable goal. Fortunately, advancements in the study of exoplanets and their atmospheres have come in the form of direct imaging - spatially…

地球与行星天体物理 · 物理学 2013-03-15 Quinn M. Konopacky , Travis S. Barman , Bruce A. Macintosh , Christian Marois

SiS has long been observed in the circumstellar medium of the carbon-rich star IRC+10216 CW Leo. Comprehensive and accurate rotation-vibrational line lists and partition functions are computed for 12 isotopologues of silicon sulphide…

太阳与恒星天体物理 · 物理学 2018-08-21 Apoorva Upadhyay , Eamon K. Conway , Jonathan Tennyson , Sergei N. Yurchenko

The GYT line list covering rotational, rovibrational and rovibronic transitions of the mercapto radical SH is presented. This work extends and replaces the SNaSH line list [Yurchenko et al., 2018, MNRAS, 478, 270] which covers the ground…

地球与行星天体物理 · 物理学 2019-10-25 Maire N. Gorman , Sergei N. Yurchenko , Jonathan Tennyson

Silicon mononitride ($^{28}$Si$^{14}$N, $^{29}$Si$^{14}$N, $^{30}$Si$^{14}$N, $^{28}$Si$^{15}$N) line lists covering infrared, visible and ultraviolet regions are presented. The \name\ line lists produced by ExoMol include rovibronic…

地球与行星天体物理 · 物理学 2022-10-25 Mikhail Semenov , Nicholas Clark , Sergei N. Yurchenko , Gap-Sue Kim , Jonathan Tennyson

Employing two state-of-the-art methods, second-order many-body perturbation theory and multiconfiguration Dirac-Fock, highly accurate calculations are performed for the lowest 318 fine-structure levels arising from the $2s^{2} 2p^{4}$, $2s…

原子物理 · 物理学 2019-09-04 Kai Wang , Wei Zhang , Xiao Hui Zhao , Zhan Bin Chen , Chong Yang Chen , Jun Yan

Zirconium monoxide (ZrO) absorption lines define rare S-type stars and are currently being sought on exoplanets. Successful detection is dependent on an accurate and comprehensive line list, with existing data not ideal for many…

地球与行星天体物理 · 物理学 2023-08-09 Armando N. Perri , Fadia Taher , Laura K. McKemmish

Zirconium oxide(ZrO) is an important astrophysical molecule that defines the S-star classification class for cool giant stars. Accurate, empirical rovibronic energy levels, with associated labels and uncertainties, are reported for 9…