Research outputs: Dr. Christiane Helling

  1. Spitzer microlensing parallax for OGLE-2017-BLG-0896 reveals a counter-rotating low-mass brown dwarf DOI
    Yossi Shvartzvald, Jennifer C. Yee, Jan Skowron, Chung-Uk Lee, Andrzej Udalski, Sebastiano Calchi Novati, Valerio Bozza, Charles A. Beichman, Geoffery Bryden, Sean Carey et al., Astronomical Journal, 157, 3 (2019)
  2. Exonephology DOI
    S. Lines, J. Manners, N. J. Mayne, J. Goyal, A. L. Carter, I. A. Boutle, G. K. H. Lee, Ch Helling, B. Drummond, D. M. Acreman et al., Monthly Notices of the Royal Astronomical Society, 481, 1 , p. 194-205 (2018)
  3. Triboelectrification of KCl and ZnS particles in approximated exoplanet environments DOI
    Joshua Méndez Harper, Christiane Helling and Josef Dufek, Astrophysical Journal, 867, 2 (2018)
  4. Environmental effects on the ionisation of brown dwarf atmospheres DOI
    M. Isabel Rodríguez-Barrera, Christiane Helling and Kenneth Wood, Astronomy & Astrophysics, 618 (2018)
  5. Exo-lightning radio emission DOI
    Gabriella Hodosán, Christiane Helling, Paul B. Rimmer, Georg Fischer (Editor), Gottfried Mann (Editor), Mykhaylo Panchenko (Editor) and Philippe Zarka (Editor), the case study of HAT-P-11b, p. 345-356 (2018)
  6. Insight into atmospheres of extrasolar planets through plasma processes DOI
    Ch Helling, I. Vorgul, Georg Fischer (Editor), Gottfried Mann (Editor), Mykhaylo Panchenko (Editor) and Phillipe Zarka (Editor), p. 335-344 (2018)
  7. Simulating the cloudy atmospheres of HD 209458 b and HD 189733 b with the 3D Met Office Unified Model DOI
    Stefan Lines, Nathan Mayne, I. A. Boutle, J. Manners, Graham Kim Huat Lee, Christiane Helling, B. Drummond, D. S. Amundsen, J. Goyal, D. M. Acreman et al., Astronomy & Astrophysics, 615 (2018)
  8. Equlibrium chemistry down to 100 K DOI
    Peter Woitke, Christiane Helling, G.H. Hunter, J.D. Millard, G.E. Turner, M. Worters, J. Blecic and J.W. Stock, Astronomy & Astrophysics, 614 (2018)
  9. OGLE-2017-BLG-0329L DOI
    C. Han, S. Calchi Novati, A. Udalski, C.-U. Lee, A. Gould, V. Bozza, P. Mróz, P. Pietrukowicz, J. Skowron, M. K. Szymański et al., Astrophysical Journal, 859, 2 (2018)
  10. An absolute sodium abundance for a cloud-free 'hot Saturn' exoplanet DOI
    N. Nikolov, D. K. Sing, J. J. Fortney, J. M. Goyal, B. Drummond, T. M. Evans, N. P. Gibson, E. J. W. De Mooj, Z. Rustamkulov, H. R. Wakeford et al., Nature, 557, p. 526-529 (2018)
  11. Environmental effects on the ionization of brown dwarf atmospheres
    M.~I. Rodriguez-Barrera, C. Helling and K. Wood, ArXiv e-prints (2018)
  12. Dust in brown dwarfs and extra-solar planets DOI
    Graham K. H. Lee, Jasmina Blecic and Christiane Helling, Astronomy & Astrophysics, 614 (2018)
  13. OGLE-2017-BLG-1434Lb
    A. Udalski, Y-H Ryu, S. Sajadian, A. Gould, P. Mroz, R. Poleski, M. K. Szymanski, J. Skowron, null Soszynski, S. Kozlowski et al., Acta Astronomica, 68, 1 , p. 1-42 (2018)
  14. Self-consistent atmosphere modeling with cloud formation for low-mass stars and exoplanets DOI
    Diana Juncher, Uffe G. Jørgensen and Christiane Helling, Astronomy & Astrophysics, 608 (2017)
  15. Cloud formation in metal-rich atmospheres of hot super-Earths like 55 Cnc e and CoRoT7b DOI
    G. Mahapatra, Ch. Helling and Y. Miguel, Monthly Notices of the Royal Astronomical Society, 472, 1 , p. 447-464 (2017)
  16. Emission lines in the atmosphere of the irradiated brown dwarf WD0137−349B DOI
    E. S. Longstaff, S. L. Casewell, G. A. Wynn, P. F. L. Maxted and Ch. Helling, Monthly Notices of the Royal Astronomical Society, 471, 2 , p. 1728-1736 (2017)
  17. MOVES – I. The evolving magnetic field of the planet-hosting star HD189733 DOI
    R. Fares, V. Bourrier, A. A. Vidotto, C. Moutou, M. M. Jardine, P. Zarka, Ch. Helling, A. Lecavelier des Etangs, J. Llama, T. Louden et al., Monthly Notices of the Royal Astronomical Society, 471, 1 , p. 1246-1257 (2017)
  18. Lightning chemistry on Earth-like exoplanets DOI
    Aleksandra Ardaseva, Paul B. Rimmer, Ingo Waldmann, Marco Rocchetto, Sergey N. Yurchenko, Christiane Helling and Jonathan Tennyson, Monthly Notices of the Royal Astronomical Society, 470, 1 , p. 187-196 (2017)
  19. Dust in brown dwarfs and extrasolar planets DOI
    Ch Helling, D. Tootill, P. Woitke and G. Lee, Astronomy & Astrophysics, 603 (2017)
  20. Dynamic mineral clouds on HD 189733b. II. Monte Carlo radiative transfer for 3D cloudy exoplanet atmospheres DOI
    G. K. H. Lee, K. Wood, I. Dobbs-Dixon, A. Rice and Ch. Helling, Astronomy & Astrophysics, 601 (2017)
  21. Robust detection of quasi-periodic variability DOI
    S.~P. Littlefair, B. Burningham and Ch. Helling, Monthly Notices of the Royal Astronomical Society, 466, 4 , p. 4250-4258 (2017)
  22. Exoplanet modelling with the Met Office Unified Model
    I. Boutle, S. Lines, N. Mayne, G. Lee, C. Helling, B. Drummond, J. Manners, J. Goyal, H. Lambert, D. Acreman et al., : Geophysical Research Abstracts, p. 3635 (2017)
  23. Lightning on exoplanets and brown dwarfs: modelling lightning energies and radio powers
    G. Hodosán, C. Helling and I. Vorgul, : Geophysical Research Abstracts, p. 8896 (2017)
  24. Comparison Catalogue of Gas-Equilibrium Constants, Kp DOI
    Megan Worters, Drew Millard, Glen Hunter, Christiane Helling and Peter Woitke (2017)
  25. Graphical Comparison of Mineral Gibbs Free Energy Data DOI
    Peter Woitke, Christiane Helling and George Turner (2017)
  26. Dynamic mineral clouds on HD 189733b DOI
    G. Lee, I. Dobbs-Dixon, Ch. Helling, K. Bognar and P. Woitke, Astronomy & Astrophysics, 594 (2016)
  27. Lightning climatology of exoplanets and brown dwarfs guided by Solar system data DOI
    G. Hodosán, Ch. Helling, R. Asensio-Torres, I. Vorgul and P. B. Rimmer, Monthly Notices of the Royal Astronomical Society, 461, 4 , p. 3927-3947 (2016)
  28. Is lightning a possible source of the radio emission on HAT-P-11b? DOI
    Gabriella Hodosán, Paul B. Rimmer and Christiane Helling, Monthly Notices of the Royal Astronomical Society, 461, 2 , p. 1222-1226 (2016)
  29. Direct Imaging discovery of a second planet candidate around the possibly transiting planet host CVSO 30 DOI
    T. O. B. Schmidt, R. Neuhäuser, C. Briceño, N. Vogt, St Raetz, A. Seifahrt, C. Ginski, M. Mugrauer, S. Buder, C. Adam et al., Astronomy & Astrophysics, 593 (2016)
  30. The mineral clouds on HD 209458b and HD 189733b DOI
    Christiane Helling, G. Lee, I. Dobbs-Dixon, N. Mayne, D. S. Amundsen, J. Khaimova, A. A. Unger, J. Manners, D. Acreman and C. Smith, Monthly Notices of the Royal Astronomical Society, 460, 1 , p. 855-883 (2016)
  31. Atmospheric electrification in dusty, reactive gases in the solar system and beyond DOI
    Christiane Helling, R. Giles Harrison, Farideh Honary, Declan A. Diver, Karen Aplin, Ian Dobbs-Dixon, Ute Ebert, Shu-ichiro Inutsuka, Francisco J. Gordillo-Vazquez and Stuart Littlefair, Surveys in Geophysics, 37, 4 , p. 705-756 (2016)
  32. Ionisation and discharge in cloud-forming atmospheres of brown dwarfs and extrasolar planets DOI
    Christiane Helling, Paul B. Rimmer, Maria Isabel Rodriguez-Barrera, Kenny Wood, G. B. Robertson and C. R. Stark, Plasma Physics and Controlled Fusion, 58, 7 (2016)
  33. Lightning and life on exoplanets
    P. Rimmer, A. Ardaseva, G. Hodosan and C. Helling (2016)
  34. A chemical kinetics network for lightning and life in planetary atmospheres DOI
    Paul Rimmer and Christiane Helling, Astrophysical Journal Supplement Series, 224, 1 (2016)
  35. Flash ionization signature in coherent cyclotron emission from brown dwarfs DOI
    Iryna Vorgul and Christiane Helling, Monthly Notices of the Royal Astronomical Society, 458, 1 , p. 1041-1056 (2016)
  36. The need for laboratory work to aid in the understanding of exoplanetary atmospheres
    Jonathan J. Fortney, Tyler D. Robinson, Shawn Domagal-Goldman, David Skålid Amundsen, Matteo Brogi, Mark Claire, David Crisp, Eric Hebrard, Hiroshi Imanaka, Remco de Kok et al., p. 1-18 (2016)
  37. Reference study to characterize plasma and magnetic properties of ultracool atmospheres DOI
    Maria Isabel Rodriguez-Barrera, Christiane Helling, Craig Ronald Stark and Anna Rice, Monthly Notices of the Royal Astronomical Society, 454, 4 , p. 3977-3995 (2015)
  38. The first millimeter detection of a non-accreting ultracool dwarf DOI
    P. K. G. Williams, Sarah L. Casewell, Craig Ronald Stark, S. P. Littlefair, Christiane Helling and E. Berger, Astrophysical Journal, 815, 1 (2015)
  39. Modelling the Global Cloud Cover of HD 189733b
    G.~K. Huat Lee, C. Helling, I. Dobbs-Dixon and D. Juncher, : AAS/Division for Extreme Solar Systems Abstracts, 3, p. 111.10 (2015)
  40. Plasma processes in cloud-forming exoplanet and brown dwarf atmospheres
    C. Helling, : AAS/Division for Extreme Solar Systems Abstracts, 3, p. 203.07 (2015)
  41. Spectra of Aurorae in Exoplanet Atmospheres
    P.~B. Rimmer, C. Helling, C. Morley, S. Littlefair and G. Hallinan, : AAS/Division for Extreme Solar Systems Abstracts, 3, p. 104.15 (2015)
  42. Extended baseline photometry of rapidly changing weather patterns on the brown dwarf binary Luhman-16 DOI
    R. A. Street, B. J. Fulton, A. Scholz, Keith Horne, C. Helling, D. Juncher, G. Lee and S. Valenti, Astrophysical Journal, 812, 2 , p. 161 (2015)
  43. Modelling the local and global cloud formation on HD 189733b DOI
    Graham Kim Huat Lee, Christiane Helling, I. Dobbs-Dixon and D. Juncher, Astronomy & Astrophysics, 580 (2015)
  44. Inhomogeneous cloud coverage through the Coulomb explosion of dust in substellar atmospheres DOI
    Craig Ronald Stark, Christiane Helling and D. A. Diver, Astronomy & Astrophysics, 579 (2015)
  45. Planetary host stars DOI
    I. Bozhinova, Christiane Helling and A. Scholz, Monthly Notices of the Royal Astronomical Society, 450, 1 , p. 160-182 (2015)
  46. Assessing nucleation in cloud formation modelling for Brown Dwarf and Exoplanet atmospheres
    Graham Lee, Christiane Helling, Helen Giles and Stefan Bromley, p. 10763 (2015)
  47. Earth, Jupiter and Saturn as guides for extrasolar planets and brown dwarfs: a lightning climatology study
    G. Hodosán, R. Asensio Torres, C. Helling and I. Vorgul, : EGU General Assembly Conference Abstracts, 17, p. 10014 (2015)
  48. Characterization of low-mass, wide-separation substellar companions to stars in upper Scorpius DOI
    F.-R. Lachapelle, D. Lafrenière, J. Gagné, R. Jayawardhana, M. Janson, C. Helling and S. Witte, Astrophysical Journal, 802, 1 (2015)
  49. Characterising exoplanets and their environment with UV transmission spectroscopy
    Luca Fossati, Vincent Bourrier, David Ehrenreich, Carole A. Haswell, Kristina G. Kislyakova, Helmut Lammer, Alain Lecavelier des Etangs, Yann Alibert, Thomas R. Ayres, Gilda E. Ballester et al. (2015)
  50. Dust in brown dwarfs and extra-solar planets. IV. Assessing TiO2 and SiO nucleation for cloud formation modelling DOI
    G. Lee, Christiane Helling, H. Giles and S. T. Bromley, Astronomy & Astrophysics, 575 (2015)
  51. Multiwaveband photometry of the irradiated brown dwarf WD0137-349B DOI
    S. L. Casewell, K. A. Lawrie, P. F.L. Maxted, M. S. Marley, J. J. Fortney, P. B. Rimmer, S. P. Littlefair, G. Wynn, M. R. Burleigh and Ch Helling, Monthly Notices of the Royal Astronomical Society, 447, 4 , p. 3218-3226 (2015)
  52. Physical and orbital properties of Beta Pictoris b DOI
    M. Bonnefoy, G.-D. Marleau, R. Galicher, H. Beust, A.-M. Lagrange, J. -L. Baudino, G. Chauvin, S. Borgniet, N. Meunier, J. Rameau et al., Astronomy & Astrophysics, 567 (2014)
  53. Expect the unexpected
    Christiane Helling, Memorie della Società Astronomica Italiana, 85, 4 , p. 695-698 (2014)
  54. First spectroscopic observations of the substellar companion of the young debris disk star PZ Telescopii DOI
    T.O.B. Schmidt, M. Mugrauer, R. Neuhäuser, N. Vogt, S. Witte, P.H. Hauschildt, Christiane Helling and A. Seifahrt, Astronomy & Astrophysics, 566 (2014)
  55. Jupiter as a giant cosmic ray detector DOI
    P.B. Rimmer, C.R. Stark and C. Helling, Astrophysical Journal Letters, 787, 2 (2014)
  56. Auroral Kilometric Radiation -Horseshoe Model and Experiment
    Irena Vorgul, Barry Kellet, Robert Cairns, Robert Bingham, Kevin Ronald, David Speirs, Sandra McConville, Karen Gillespie, Alan Phelps and Christiane Helling, p. 13483 (2014)
  57. Large-scale properties of lightning in extrasolar objects
    C. Helling, R. Bailey, G. Hodosan, C. Bilger and C. Stark, : EGU General Assembly Conference Abstracts, 16, p. 13950 (2014)
  58. Radio signatures of lightning discharges in exoplanets and brown dwarfs
    G. Hodosán, C. Helling and I. Vorgul, : EGU General Assembly Conference Abstracts, 16, p. 11426 (2014)
  59. Disk evolution, element abundances and cloud properties of young gas giant planets DOI
    C. Helling, P. Woitke, P.B. Rimmer, I. Kamp, W.-F. Thi and R. Meijerink, IUBMB Life, 4, 2 , p. 142-173 (2014)
  60. Electrostatic activation of prebiotic chemistry in substellar atmospheres DOI
    Craig Ronald Stark, Christiane Helling, Declan A Diver and Paul Rimmer, International Journal of Astrobiology, 13, Special Issue 2 , p. 165-172 (2014)
  61. The influence of galactic cosmic rays on ion-neutral hydrocarbon chemistry in the upper atmospheres of free-floating exoplanets DOI
    P.B. Rimmer, C. Helling and C. Bilger, International Journal of Astrobiology, 13, 2 , p. 173-181 (2014)
  62. Ionization in atmospheres of brown dwarfs and extrasolar planets VI DOI
    R.L. Bailey, Christiane Helling, G. Hodosán, C. Bilger and C.R. Stark, Astrophysical Journal, 784, 1 (2014)
  63. Characterization of the gaseous companion κ Andromedae b New Keck and LBTI high-contrast observations DOI
    M. Bonnefoy, T. Currie, G. -D. Marleau, J. E. Schlieder, J. Wisniewski, J. Carson, K. R. Covey, T. Henning, B. Biller, P. Hinz et al., Astronomy & Astrophysics, 562 (2014)
  64. Atmospheres of brown dwarfs DOI
    Christiane Helling and Sarah Casewell, Astronomy and Astrophysics Review, 22 (2014)
  65. Careers in astronomy in Germany and the UK DOI
    Janine Fohlmeister and Christiane Helling, Astronomy & Geophysics, 55, 2 (2014)
  66. The Influence of Alfvén Ionization on Exoplanetary Atmospheres DOI
    Craig R. Stark, Christiane Helling, Declan A. Diver, Mark Booth (Editor), Brenda C. Matthews (Editor) and James R. Graham (Editor), 299, p. 384-385 (2014)
  67. Small hydrocarbon molecules in cloud-forming brown dwarf and giant gas planet atmospheres DOI
    C. Bilger, P. Rimmer and Ch. Helling, Monthly Notices of the Royal Astronomical Society, 435, 3 , p. 1888-1903 (2013)
  68. Ionization in atmospheres of brown dwarfs and extrasolar planets. V. Alfvén ionization DOI
    C.R. Stark, C. Helling, D.A. Diver and P.B. Rimmer, Astrophysical Journal, 776, 1 (2013)
  69. Cosmic Ray Ionization and Dust Charging at the Cloud Top of a Giant Gas Planet
    P.~B. Rimmer, C.~R. Stark and C. Helling, European Planetary Science Congress, 8 (2013)
  70. Ionization and charging in dusty atmospheres
    D.~A. Diver, M. Fullekrug, Ch. Helling, C.~R. Stark and A. Wilson (2013)
  71. Mineral clouds and ionisation processes in extrasolar, planetary atmospheres
    C. Helling, M. Jardine, C.~R. Stark, P. Rimmer and D.~A. Diver, European Planetary Science Congress, 8 (2013)
  72. Ionization in atmospheres of brown dwarfs and extrasolar planets. IV. The effect of cosmic rays DOI
    Paul Rimmer and Christiane Helling, Astrophysical Journal, 774, 2 (2013)
  73. Electron acceleration above thunderclouds DOI
    Martin Fuellekrug, Ivana Kolmasova, Ondrej Santolik, Thomas Farges, Jozsef Bor, Alec Bennett, Michel Parrot, William Rison, Ferruccio Zanotti, Enrico Arnone et al., Environmental Research Letters, 8, 3 (2013)
  74. Modelling the formation of atmospheric dust in brown dwarfs and planetary atmospheres DOI
    Christiane Helling and Aleksejs Fomins, Philosophical Transactions of the Royal Society. A, Mathematical, Physical and Engineering Sciences, 371, 1994 (2013)
  75. Cosmic-Ray Ionization and Hazes on Hot Jupiters
    P.~B. Rimmer, C. Helling and C. Walsh (2013)
  76. A search for rocky planets transiting brown dwarfs
    Amaury Triaud, Michaël Gillon, Franck Selsis, Joshua N. Winn, Brice-Olivier Demory, Étienne Artigau, Gregory P. Laughlin, Sara Seager, Christiane Helling, Michel Mayor et al. (2013)
  77. Ionization in atmospheres of brown dwarfs and extrasolar planets III. Breakdown conditions for mineral clouds DOI
    Christiane Helling, Moira Mary Jardine, Craig Ronald Stark and D. Diver, Astrophysical Journal, 767, 2 (2013)
  78. Wolken
    Christiane Helling (2013)
  79. Dust cloud lightning in extraterrestrial atmospheres DOI
    Christiane Helling, Moira Mary Jardine, Declan Diver and Sören Witte, Planetary and Space Science, 77, p. 152-157 (2013)
  80. Clouds in brown dwarfs and giant planets DOI
    S. Metchev, D. Apai, J. Radigan, É. Artigau, A. Heinze, C. Helling, D. Homeier, S. Littlefair, C. Morley, A. Skemer et al., Astronomische Nachrichten, 334, 1‐2 , p. 40-43 (2013)
  81. M dwarf stars in the light of (future) exoplanet searches DOI
    B. Rojas-Ayala, E.~J. Hilton, A.~W. Mann, S. Lépine, E. Gaidos, X. Bonfils, Ch. Helling, T.~J. Henry, L.~A. Rogers, K. von Braun et al., Astronomische Nachrichten, 334, p. 155 (2013)
  82. Alfvén ionization in the atmospheres of brown dwarfs
    C.~R. Stark, Ch. Helling, D.~A. Diver and P.~B. Rimmer, Memorie della Societa Astronomica Italiana, 84, p. 1132 (2013)
  83. Characterization of 36 late M-dwarfs using spectral energy distributions and near-infrared echelle spectra .
    C. del Burgo, Ch. Helling, E.~L. Martin, S. Witte, M.~R. Zapatero Osorio and P.~H. Hauschildt, Memorie della Societa Astronomica Italiana, 84, p. 1084 (2013)
  84. Cosmic Rays, UV Photons, and Haze Formation in the Upper Atmospheres of Hot Jupiters DOI
    Paul B. Rimmer, Catherine Walsh and Christiane Helling, Proceedings of the International Astronomical Union, 8, S299 , p. 303-304 (2013)
  85. Energetic charged particles above thunderclouds DOI
    Martin Fuellekrug, Declan Diver, Jean-Louis Pincon, Alan D. R. Phelps, Anne Bourdon, Christiane Helling, Elisabeth Blanc, Farideh Honary, R. Giles Harrison, Jean-Andre Sauvaud et al., Surveys in Geophysics, 34, 1 , p. 1-41 (2013)
  86. Extracting the Physical Parameters of a Sample of M-dwarfs from High-resolution Near-infrared Spectra
    Carlos del Burgo, Eduardo L. Martin, Maria Rosa Zapatero Osorio, Rohit Deshpande, Soeren Witte, Christiane Helling, Peter H. Hauschildt, M Chavez (Editor), E Bertone (Editor), O Vega (Editor) et al., : Astronomical Society of the Pacific Conference Series (2013)
  87. The impact of M-dwarf atmosphere modelling on planet detection
    I. Bozhinov, Ch. Helling and C.~R. Stark, Memorie della Societa Astronomica Italiana, 84, p. 1094 (2013)
  88. Career situation of female astronomers in Germany DOI
    J. Fohlmeister and Christiane Helling, Astronomische Nachrichten, 333, 3 , p. 280-286 (2012)
  89. Probing Bow Shocks Around Exoplanets During Transits DOI
    A.~A. Vidotto, M. Jardine, C. Helling, Mercedes T. Richards (Editor) and Ivan Hubeny (Editor), 282, p. 117-118 (2012)
  90. Spectroscopy across the brown dwarf/planetary mass boundary I. Near-infrared JHK spectra DOI
    J. Patience, R. R. King, R. J. De Rosa, A. Vigan, S. Witte, E. Rice, Christiane Helling and P. Hauschildt, Astronomy & Astrophysics, 540 (2012)
  91. Cloud and Gas Ionisation in Atmosphere of Gas-Giant Planets DOI
    Ch. Helling, M. Jardine, C. Stark, P. Rimmer and D. Diver, p. 292-296 (2012)
  92. Shock formation around planets orbiting M-dwarf stars DOI
    A. A. Vidotto, J. Llama, M. Jardine, Ch. Helling and K. Wood, Astronomische Nachrichten, 332, 9-10 , p. 1055-1061 (2011)
  93. Extraterrestrial lightning in atmospheric dust clouds
    C. Helling, M. Jardine, S. Witte and D. A. Diver, EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France, p. 8 (2011)
  94. Probing Planetary Magnetic Fields During Transits
    A. A. Vidotto, M. Jardine and C. Helling, EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France, p. 253 (2011)
  95. Electrification Events In Mineral Clouds Of Planetary Atmospheres
    C. Helling, M. Jardine, D. Diver and S. Witte, : AAS/Division for Extreme Solar Systems Abstracts, 2, p. 40.01 (2011)
  96. The Atmospheres and Evolution of Young Brown Dwarf/Planetary-Mass Companions
    R. King, J. Patience, R. De Rosa, S. Witte, C. Helling, E. Rice, T. Barman and C. Marois, : AAS/Division for Extreme Solar Systems Abstracts, 2, p. 40.16 (2011)
  97. The shocking transit of WASP-12b DOI
    Joe Llama, Kenny Wood, Moira Mary Jardine, Aline Vidotto, Christiane Helling, L. Fossati and C. A. Haswell, Monthly Notices of the Royal Astronomical Society: Letters, 416, 1 , p. 41-44 (2011)
  98. Ionisation in atmospheres of Brown Dwarfs and extrasolar planets II Dust-induced collisional ionization DOI
    Christiane Helling, M. Jardine and F. Mokler, Astrophysical Journal, 737, 1 (2011)
  99. Detecting planets around very cool dwarfs at near infrared wavelengths with the radial velocity technique DOI
    F. Rodler, C. del Burgo, S. Witte, Christiane Helling, P. H. Hauschildt, E. L. Martin, C. Alvarez and R. Deshpande, Astronomy & Astrophysics, 532 (2011)
  100. The influence of non-isotropic scattering of thermal radiation on spectra of brown dwarfs and hot exoplanets DOI
    R. J. de Kok, D. M. Stam, Peter Woitke, S. Witte and Christiane Helling, Astronomy & Astrophysics, 531 (2011)
  101. Discovery of carbon monoxide in the upper atmosphere of Pluto DOI
    J. S. Greaves, Ch. Helling and P. Friberg, Monthly Notices of the Royal Astronomical Society, 414, 1 (2011)
  102. Transit variability in bow shock-hosting planets DOI
    A. A. Vidotto, M. Jardine and Ch Helling, Monthly Notices of the Royal Astronomical Society, 414, 2 , p. 1573-1582 (2011)
  103. Dust in brown dwarfs and extra-solar planets III. Testing synthetic spectra on observations DOI
    S. Witte, Christiane Helling, T. Barman, N. Heidrich and P. H. Hauschildt, Astronomy & Astrophysics, 529 (2011)
  104. Discovery of AN similar to 23 M-Jup brown dwarf orbiting similar to 700 AU from the massive star HIP 78530 in Upper Scorpius DOI
    David Lafreniere, Ray Jayawardhana, Markus Janson, Christiane Helling, Soeren Witte and Peter Hauschildt, Astrophysical Journal, 730, 1 (2011)
  105. Prospects for detection of exoplanet magnetic fields through bow-shock observations during transits DOI
    A. A. Vidotto, M. Jardine and Ch. Helling, Monthly Notices of the Royal Astronomical Society, 411, 1 (2011)
  106. Ionization in atmospheres of brown dwarfs and extrasolar planets. I. The role of electron avalanche DOI
    Christiane Helling, M. Jardine, S. Witte and D. A. Diver, Astrophysical Journal, 727, 1 (2011)
  107. Aspects of Multi-Dimensional Modelling of Substellar Atmospheres
    Christiane Helling, E. Pedretti, S. Berdyugina, A. A. Vidotto, B. Beeck, E. Baron, A. P. Showman, E. Agol, D. Homeier, CMJ JohnsKrull (Editor) et al., p. 403-414 (2011)
  108. Physical parameters of a sample of M dwarfs from high-resolution near-infrared spectra DOI
    C. del Burgo, R. Deshpande, E. L. Martin, M. R. Zapatero Osorio, S. Witte, P. H. Hauschildt, Christiane Helling, EL Martin (Editor), J Ge (Editor) and W Lin (Editor), : EPJ Web of Conferences (2011)
  109. The impact of stellar model spectra in disc detection DOI
    J. A. Sinclair, Ch Helling and J. S. Greaves, Monthly Notices of the Royal Astronomical Society: Letters, 409, 1 (2010)
  110. Early UV ingress in WASP-12b: measuring planetary magnetic fields DOI
    A. A. Vidotto, M. Jardine and Ch. Helling, Astrophysical Journal Letters, 722, 2 (2010)
  111. Mass transfer, transiting stream, and magnetopause in close-in exoplanetary systems with applications to WASP-12 DOI
    Dong Lai, Christiane Helling and E. P. J. van den Heuvel, Astrophysical Journal, 721, 2 , p. 923-928 (2010)
  112. Studying the physical diversity of late-M dwarfs with dynamical masses DOI
    Trent J. Dupuy, Michael C. Liu, Brendan P. Bowler, Michael C. Cushing, Christiane Helling, Soeren Witte and Peter Hauschildt, Astrophysical Journal, 721, 2 , p. 1725-1747 (2010)
  113. Metals in the exosphere of the highly irradiated planet WASP-12b DOI
    L. Fossati, C. A. Haswell, C. S. Froning, L. Hebb, S. Holmes, U. Kolb, Ch. Helling, A. Carter, P. Wheatley, A. C. Cameron et al., Astrophysical Journal Letters, 714, 2 (2010)
  114. Kinetic dust formation and turbulence modeling in substellar atmospheres
    C. Helling, : EGU General Assembly Conference Abstracts, 12, p. 14457 (2010)
  115. Dust in brown dwarfs and extra-solar planets II. Cloud formation for cosmologically evolving abundances DOI
    S. Witte, Ch. Helling and P. H. Hauschildt, Astronomy & Astrophysics, 506, 3 , p. 1367-1380 (2009)
  116. Gas-phase mean opacities for varying [M/H], N/O and C/O DOI
    Ch. Helling and W. Lucas, Monthly Notices of the Royal Astronomical Society, 398, 2 , p. 985-994 (2009)
  117. Gas phase mean opacities for varying [M/H], N/O, and C/O
    W. Lucas and Christiane Helling, Monthly Notices of the Royal Astronomical Society (2009)
  118. Optical and Near-Infrared Spectroscopy of the L Subdwarf SDSS J125637.13-022452.4 DOI
    Adam J. Burgasser, Soeren Witte, Christiane Helling, Robyn E. Sanderson, John J. Bochanski and Peter H. Hauschildt, Astrophysical Journal, 697, 1 , p. 148-159 (2009)
  119. The Cosmological Evolution of Dust Clouds in Brown Dwarf Atmospheres DOI
    S. Witte, Ch. Helling, P.~H. Hauschildt and Eric Stempels (Editor), 1094, p. 572-575 (2009)
  120. Cloud formation in substellar atmospheres
    Christiane Helling and E Stempels (Editor), : AIP Conference Proceedings, p. 162-171 (2009)
  121. Glittery clouds in exoplanetary atmospheres? DOI
    Ch. Helling and F. J. M. Rietmeijer, International Journal of Astrobiology, 8, 1 , p. 3-8 (2009)
  122. Lightning In Brown Dwarfs?
    Felicitas Mokler, Christiane Helling, Moira Jardine and E Stempels (Editor), : AIP Conference Proceedings (2009)
  123. Medium-resolution infrared integral field spectroscopy of the brown dwarf TWA 5 B
    Ralph Neuhaeuser, Tobias O. B. Schmidt, Andreas Seifahrt, Ana Bedalov, Christiane Helling, Soeren Witte, Peter Hauschildt and E Stempels (Editor), : AIP Conference Proceedings (2009)
  124. Observation and modelling of dusty, low gravity L, and M dwarfs DOI
    Andreas Seifahrt, Christiane Helling, Adam J. Burgasser, Katelyn N. Allers, Kelle L. Cruz, Michael C. Cushing, Ulrike Heiter, Dagny L. Looper, Soeren Witte and E Stempels (Editor), : AIP Conference Proceedings (2009)
  125. The Chemical Evolution of Dust and Gas in Substellar Atmospheres
    C. Helling, T Henning (Editor), E Grun (Editor) and J Steinacker (Editor), p. 125-134 (2009)
  126. A comparison of chemistry and dust cloud formation in ultracool dwarf model atmospheres DOI
    Christiane Helling, A. Ackerman, F. Allard, M. Dehn, P. Hauschildt, D. Homeier, K. Lodders, M. Marley, F. Rietmeijer, T. Tsuji et al., Monthly Notices of the Royal Astronomical Society, 391, 4 , p. 1854-1873 (2008)
  127. Direct evidence of a sub-stellar companion around CT Chamaeleontis DOI
    T. O. B. Schmidt, R. Neuhaeuser, A. Seifahrt, N. Vogt, A. Bedalov, Ch. Helling, S. Witte and P. H. Hauschildt, Experimental Astronomy, 491, p. 311 (2008)
  128. Dust in brown dwarfs and extra-solar planets - I. Chemical composition and spectral appearance of quasi-static cloud layers DOI
    Ch. Helling, Peter Woitke and W. -F. Thi, Experimental Astronomy, 485, p. 547-560 (2008)
  129. Erratum: Consistent simulations of substellar atmospheres and nonequilibrium dust cloud formation (ApJ,675, pg L105, 2008) DOI
    Christiane Helling, Matthias Dehn, Peter Woitke and Peter H. Hauschildt, Astrophysical Journal Letters, 677, 2 (2008)
  130. The influence of dust formation modelling on Na I and K I line profiles in substellar atmospheres DOI
    C. M. S. Johnas, Ch. Helling, M. Dehn, Peter Woitke and P. H. Hauschildt, Monthly Notices of the Royal Astronomical Society, 385 (2008)
  131. Consistent simulations of substellar atmospheres and nonequilibrium dust cloud formation DOI
    Christiane Helling, Matthias Dehn, Peter Woitke and Peter H. Hauschildt, Astrophysical Journal Letters, 675, 2 (2008)
  132. Circuit of Dust in Substellar Objects DOI
    Christiane Helling, p. 115-131 (2008)
  133. Cloud Formation in Giant Planets
    Christiane Helling, D Fischer (Editor), FA Rasio (Editor), SE Thorsett (Editor) and A Wolszczan (Editor), : ASTRONOMICAL SOCIETY OF THE PACIFIC CONFERENCE SERIES, p. 443-446 (2008)
  134. The Consistent Modeling of Alkali Lines and Dust Formation in Extreme Exo-Planets
    C. M. S. Johnas, Christiane Helling, S. Witte, M. Dehn, Peter Woitke, P. H. Hauschildt, D Fischer (Editor), FA Rasio (Editor), SE Thorsett (Editor) and A Wolszczan (Editor), p. 393-396 (2008)
  135. Silicate, ruby, opal - Why gas giants keep their jewels in the atmosphere DOI
    Christiane Helling, Proceedings of the International Astronomical Union, 3, S249 , p. 167-172 (2007)
  136. Comparative study of dust cloud modelling for substellar atmospheres
    Ch. Helling, A.~S. Ackerman, F. Allard, M. Dehen, P. Hauschildt, I. Hubeny, D. Homeier, K. Lodders, M. Marley, T. Tsuji et al., Astronomische Nachrichten, 328, p. 655 (2007)
  137. The influence of convective energy transport on dust formation in brown dwarf atmospheres DOI
    Matthias Dehn, Christiane Helling, Peter Woitke, Peter Hauschildt, Friedrich Kupka (Editor), Ian Roxburgh (Editor) and Kwing Lam Chan (Editor), 239, p. 227-229 (2007)
  138. Comparison of cloud models for Brown Dwarfs DOI
    Ch Helling, A. Ackerman, F. Allard, M. Dehn, P. Hauschildt, D. Homeier, K. Lodders, M. Marley, F. Rietmeijer, T. Tsuji et al., Proceedings of the International Astronomical Union, 3, S249 , p. 173-177 (2007)
  139. Dust in brown dwarfs. V. Growth and evaporation of dirty dust grains DOI
    Christiane Helling and Peter Woitke, Astronomy & Astrophysics, 455, 1 , p. 325-338 (2006)
  140. Time-dependent modelling of oxygen-rich dust formation
    Ch. Helling and P. Woitke, 26, p. 13 (2006)
  141. Detectability of dirty dust grains in brown dwarf atmospheres DOI
    Christiane Helling, W.-F Thi, Peter Woitke and M. Fridlund, Astronomy & Astrophysics, 451, 2 (2006)
  142. Chemical composition of dust clouds in turbulent brown dwarf atmospheres DOI
    Christiane Helling, Proceedings of the International Astronomical Union, 2, S239 , p. 224-226 (2006)
  143. Brown dwarf atmospheres: the dust in the L - T transition region.
    C. Helling, Astronomische Nachrichten, 326, p. 627-627 (2005)
  144. The need for small-scale turbulence in atmospheres of substellar objects
    Christiane Helling, F. Kupka (Editor) and W. Hillebrandt (Editor), p. 152-158 (2005)
  145. 2D dynamical models for dust-driven winds of AGB stars
    P. Woitke, Ch. Helling, F. Favata (Editor), G.~A.~J. Hussain (Editor) and B. Battrick (Editor), 560, p. 1039 (2005)
  146. Dust Formation in Substellar Atmospheres: A Multi-Scale Problem
    Christiane Helling, Peter Woitke, Rupert Klein, Erwin Sedlmayr, Hans Ulrich Käufl, Ralf Siebenmorgen and Alan F. M. Moorwood, p. 503-509 (2005)
  147. First Steps Towards Modelling a Brown Dwarf Atmosphere Including the Formation of Dust
    M. Dehn, C. Helling, P. Woitke and P. Hauschildt, p. 8158 (2005)
  148. Rain and clouds in brown dwarf atmospheres
    Ch Helling, P. Woitke, F. Favata (Editor), G.A.J. Hussain (Editor) and B. Battrick (Editor), a coupled problem from small to large : ESA SP, p. 249-256 (2005)
  149. The Multi-Scale Dust Formation in Substellar Atmospheres DOI
    Christiane Helling, Rupert Klein, Erwin Sedlmayr and Gerald Warnecke (Editor), p. 317-337 (2005)
  150. Theory of Precipitating Dust Formation in Substellar Atmospheres
    C. Helling and P. Woitke, 321, p. 199 (2004)
  151. Dust in brown dwarfs. IV. Dust formation and driven turbulence on mesoscopic scales DOI
    Christiane Helling, R Klein, Peter Woitke, U Nowak and E Sedlmayr, Astronomy & Astrophysics, 423, 2 , p. 657-675 (2004)
  152. 2D models for the winds of AGB stars.
    P. Woitke and C. Helling, Astronomische Nachrichten Supplement, 325, p. 1.95 (2004)
  153. Dust in brown dwarfs. III. Formation and structure of quasi-static cloud layers DOI
    Peter Woitke and Christiane Helling, Astronomy & Astrophysics, 414, 1 , p. 335-350 (2004)
  154. The encounter with small scale turbulence in substellar objects.
    C. Helling, Astronomische Nachrichten Supplement, 325, p. 1.23 (2004)
  155. Rosseland and Planck mean opacities for protoplanetary discs DOI
    D Semenov, Th Henning, Christiane Helling, M Ilgner and E Sedlmayr, Astronomy & Astrophysics, 410, 2 , p. 611-621 (2003)
  156. On the Sub-grid Modelling of Turbulent Dust Formation in Substellar Atmospheres
    Christiane Helling, Rupert Klein, Peter Woitke, Ulrich Nowak and Erwin Seldmayr, Astronomische Nachrichten Supplement, 324, p. 2 (2003)
  157. Study on Synthetic Spectra of Substellar Objects
    Sime Pervan, Christiane Helling, Peter Woitke and Erwin Sedlmayr, Astronomische Nachrichten Supplement, 324, p. 127 (2003)
  158. The Structure of Quasi-static Cloud Layers in Brown Dwarf Atmospheres
    Peter Woitke and Christiane Helling, Astronomische Nachrichten Supplement, 324, p. 126 (2003)
  159. Lexikon Der Mathamatik
    Christiane Helling and 75 co-authors (2003)
  160. Dust in brown dwarfs. II. The coupled problem of dust formation and sedimentation DOI
    Peter Woitke and Christiane Helling, Astronomy & Astrophysics, 399, p. 297-313 (2003)
  161. Dust Formation in Brown Dwarf Atmospheres Under Conditions of Driven Turbulence
    Ch. Helling, R. Klein, P. Woitke, E. Sedlmayr, N. Piskunov (Editor), W.~W. Weiss (Editor) and D.~F. Gray (Editor), 210 (2003)
  162. Opacities for Protoplanetary Disks
    D. Semenov, Th. Henning, M. Ilgner, Ch. Helling, E. Sedlmayr, Ivan Hubeny (Editor), Dimitri Mihalas (Editor) and Klaus Werner (Editor), 288, p. 361 (2003)
  163. Sternenstaub. Teil 2: Staubbildung in den Hüllen Langperiodischer Veränderlicher
    C. Helling, Sterne und Weltraum, 41, 3 , p. 34-41 (2002)
  164. Sternenstaub, Teil 1: Edelsteine im All?
    Ch. Helling, Sterne und Weltraum, 41, p. 25-31 (2002)
  165. Dust and Wind Formation in Low-Metallicity AGB-Stars
    Christiane Helling, Th Arndt, E Sedlmayr, C. Aerts (Editor), T.R. Bedding (Editor) and J. Christensen-Dalsgaard (Editor), : ASP Conference Series (2002)
  166. Inhomgeneous Dust Formation due to Turbulent Motion in Brown Dwarf Atmospheres
    Ch. Helling, M. Oevermann, M. Lüttke, R. Klein and E. Sedlmayr, p. 45-49 (2001)
  167. Dust in brown dwarfs DOI
    Ch. Helling, M. Oevermann, M. J. H. Lüttke, R. Klein and E. Sedlmayr, Astronomy & Astrophysics, 376, 1 , p. 194-212 (2001)
  168. Erratum: Circumstellar dust shells around long-period variables DOI
    Ch. Helling and J. M. Winters, Astronomy & Astrophysics, 370, 2 , p. 555-556 (2001)
  169. Radiation Transfer Through an Extended Planetary Atmosphere
    K. Schnabel, Ch. Helling, P. Woitke and E. Sedlmayr, 18 (2001)
  170. Turbulence Modeling in Dust Forming Media
    Ch. Helling, M. Lüttke, E. Sedlmayr, M. Oeverman and R. Klein, 18 (2001)
  171. A systematic investigation of the mass loss mechanism in dust forming long-period variable stars
    J.~M. Winters, T. Le Bertre, K.~S. Jeong, Ch. Helling and E. Sedlmayr, Astronomy & Astrophysics, 361, p. 641-659 (2000)
  172. Circumstellar dust shells around long-period variables. VII. The role of molecular opacities
    Christiane Helling, J M Winters and E Sedlmayr, Astronomy & Astrophysics, 358, p. 651-664 (2000)
  173. Dust Formation in Brown Dwarfs
    M. Lüttke, Ch. Helling, M. John, K.~S. Jeong, P. Woitke and E. Sedlmayr, 17 (2000)
  174. Frequency Sampling for Radiative Transfer Calculations in Cool Stars
    Christiane Helling, Uffe Grae Jørgensen and Robert F. Wing (Editor), 177, p. 535 (2000)
  175. Influence of the Metal Abundances on the Dust-driven Winds of LPVs
    Ch. Helling, T.~U. Arndt and E. Sedlmayr, 17 (2000)
  176. Intermittent Distribution of Dust in Brown Dwarf Atmospheres
    Ch. Helling, M. Lüttke, E. Sedlmayr, M. Oevermann and R. Klein, 17 (2000)
  177. On the formation of it warm molecular layers
    Peter Woitke, Christiane Helling, J M Winters and K S Jeong, Astronomy & Astrophysics, 348 (1999)
  178. Role of molecular opacities in circumstellar dust shells
    Ch. Helling (1999)
  179. On the Molecular Composition of Dynamical C-Star Atmospheres
    A.~B.~C. Patzer, Ch. Helling, J.~M. Winters and E. Sedlmayr, 15, p. 107 (1999)
  180. Optimizing the opacity sampling method
    Christiane Helling and Uffe Grae Jorgensen, Astronomy & Astrophysics, 337, p. 477-486 (1998)
  181. Influence of molecular opacities on the generation of cool star winds
    Ch. Helling, P. Woitke, J.~M. Winters and E. Sedlmayr, 191 (1998)
  182. Formation of PAHs, polyynes, and other macromolecules in the photosphere of carbon stars.
    C. Helling, U. G. Jorgensen, B. Plez and H. R. Johnson, Astronomy & Astrophysics, 315, p. 194-203 (1996)
  183. Can PAHs support grain-formation in carbon-stars?
    C. Helling, U.~G. Jorgensen, B. Plez, H.~R. Johnson, Roberto Pallavicini (Editor) and Andrea K. Dupree (Editor), 109, p. 529 (1996)