Zobrazeno 1 - 10
of 12
pro vyhledávání: '"J. M. Chadney"'
Autor:
J. M. Chadney, D. K. Whiter
Publikováno v:
Geoscientific Instrumentation, Methods and Data Systems, Vol 7, Pp 317-329 (2018)
We have developed a spectral fitting method to retrieve upper atmospheric parameters at multiple altitudes simultaneously during times of aurora, allowing us to measure neutral temperatures and column densities of water vapour. We use the method to s
Externí odkaz:
https://doaj.org/article/53ab461369bc43a296afe11405a9746e
Publikováno v:
Annales Geophysicae, Vol 35, Pp 481-491 (2017)
We model absorption by atmospheric water vapour of hydroxyl airglow emission using the HIgh-resolution TRANsmission molecular absorption database (HITRAN2012). Transmission coefficients are provided as a function of water vapour column density for
Externí odkaz:
https://doaj.org/article/cbd1eefa9368441797451b9b8bd7ef42
Autor:
Tommi Koskinen, Panayotis Lavvas, Sarah M. Hörst, J. M. Chadney, Joseph Serigano, Roger V. Yelle, Yvonne C. Unruh, Marina Galand, X. Hu
We construct Saturn equatorial neutral temperature and density profiles of H, H$_2$, He, and CH$_4$, between 10$^{-12}$ and 1 bar using measurements from Cassini's Ion Neutral Mass Spectrometer (INMS) taken during the spacecraft's final plunge into S
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e7b50b2eeda1a0c30071a18da436fee
Autor:
D. J. Price, J. A. Reidy, Larry J. Paxton, Daniel Whiter, Betty Lanchester, A. J. Kavanagh, Yongliang Zhang, J. M. Chadney, Robert Fear
This paper presents observations of polar cap arc substructure down to scale sizes of meters and temporal resolution of milliseconds. Two case studies containing polar cap arcs occurring over Svalbard are investigated. The first occurred on 4 Februar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac4c749bb205ef1e7ca6d2fc78093095
https://eprints.soton.ac.uk/442292/
https://eprints.soton.ac.uk/442292/
We present results that indicate the existence of two distinct neutral heating processes associated with a discrete auroral arc over Svalbard. Within the order of seconds, the thermospheric temperature profile displays a significant response to the a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d1b125f790f66693bfc386ec455162b
https://eprints.soton.ac.uk/436319/
https://eprints.soton.ac.uk/436319/
Autor:
I. F. Shaikhislamov, Helmut Lammer, J. M. Griessmeier, Petra Odert, Wolfgang Macher, Helmut O. Rucker, Kristina G. Kislyakova, Nikolai V. Erkaev, Christof Weber, Maxim L. Khodachenko, C. Vocks, J. M. Chadney
Publikováno v:
PLANETARY RADIO EMISSIONS VIII.
Autor:
Jean-Mathias Grießmeier, Christof Weber, Kristina G. Kislyakova, C. Vocks, I. F. Shaikhislamov, Maxim L. Khodachenko, J. M. Chadney, Helmut Lammer, Wolfgang Macher, H. O. Rucker, Petra Odert
Publikováno v:
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2017, 469 (3), pp.3505-3517. ⟨10.1093/mnras/stx1099⟩
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2017, 469 (3), pp.3505-3517. ⟨10.1093/mnras/stx1099⟩
International audience; We present a study of plasma conditions in the atmospheres of the Hot Jupiters HD 209458b and HD 189733b and for an HD 209458b like planet at orbit locations between 0.2 and 1 au around a Sun-like star. We discuss how these co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a4c58d24f0aaf213ae9211f6836b3a9
https://eprints.soton.ac.uk/411705/
https://eprints.soton.ac.uk/411705/
Autor:
J. M. Chadney
Publikováno v:
Modelling the Upper Atmosphere of Gas-Giant Exoplanets Irradiated by Low-Mass Stars ISBN: 9783319633503
In this chapter, I describe the high-energy emissions from the Sun, as well as other low-mass stars. I refer to the following photon wavebands: X-ray (0.517–12.4 nm), Extreme UltraViolet EUV (12.4–91.2 nm), Far UltraViolet FUV (90–200 nm).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d907895fbd29f24e118d850c3bb7925d
https://doi.org/10.1007/978-3-319-63351-0_2
https://doi.org/10.1007/978-3-319-63351-0_2
Autor:
W. Lowrie, M. P. Ross, D.J. Den Hartog, Raymond Golingo, R. J. Oberto, J. M. Chadney, G. V. Vogman, J.L. Rohrbach, Vyacheslav S. Lukin, Brian Nelson, S.D. Knecht, Uri Shumlak, M.C. Hughes
Publikováno v:
Fusion Science and Technology. 61:119-124
The stabilizing effect of a sheared axial flow is investigated in the ZaP Flow Z-pinch experiment at the University of Washington. Long-lived, Z-pinch plasmas are generated that are 100 cm long wit...
Publikováno v:
Astronomy & Astrophysics. 608:A75
Stellar flares are a frequent occurrence on young low-mass stars around which many detected exoplanets orbit. Flares are energetic, impulsive events, and their impact on exoplanetary atmospheres needs to be taken into account when interpreting transi