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Research at St Andrews

Christiane Helling


  1. 2019
  2. Published

    Spitzer microlensing parallax for OGLE-2017-BLG-0896 reveals a counter-rotating low-mass brown dwarf

    Shvartzvald, Y., Yee, J. C., Skowron, J., Lee, C-U., Udalski, A., Calchi Novati, S., Bozza, V., Beichman, C. A., Bryden, G., Carey, S., Gaudi, B. S., Henderson, C. B., Zhu, W., Bachelet, E., Bolt, G., Christie, G., Maoz, D., Natusch, T., Pogge, R. W., Street, R. A. & 46 othersTan, T-G., Tsapras, Y., Pietrukowicz, P., Soszyński, I., Szymański, M. K., Mróz, P., Poleski, R., Kozłowski, S., Ulaczyk, K., Pawlak, M., Rybicki, K. A., Iwanek, P., Albrow, M. D., Cha, S-M., Chung, S-J., Gould, A., Han, C., Hwang, K-H., Jung, Y. K., Kim, D-J., Kim, H-W., Kim, S-L., Lee, D-J., Lee, Y., Park, B-G., Ryu, Y-H., Shin, I-G., Zang, W., Dominik, M., Helling, C., Hundertmark, M., Jørgensen, U. G., Longa-Peña, P., Lowry, S., Sajadian, S., Burgdorf, M. J., Campbell-White, J., Ciceri, S., Evans, D. F., Fujii, Y. I., Hinse, T. C., Rahvar, S., Rabus, M., Skottfelt, J., Snodgrass, C. & Southworth, J., 11 Feb 2019, In : Astronomical Journal. 157, 3, p. 1-8 8 p., 106.

    Research output: Contribution to journalArticle

  3. Published

    Atmospheric characterization of the ultra-hot Jupiter MASCARA-2b/KELT-20b: Detection of CaII, FeII, NaI, and the Balmer series of H (Hα, Hβ, and Hγ) with high-dispersion transit spectroscopy

    Casasayas-Barris, N., Palle, E., Yan, F., Chen, G., Kohl, S., Stangret, M., Parviainen, H., Helling, C., Watanabe, N., Czesla, S., Fukui, A., Montanes-Rodriguez, P., Nagel, E., Narita, N., Nortmann, L., Nowak, G., Schmitt, J. H. M. M. & Zapatero Osorio, M. R., Aug 2019, In : Astronomy & Astrophysics. 628, 32 p., A9.

    Research output: Contribution to journalArticle

  4. Published

    Exoplanet clouds

    Helling, C., May 2019, In : Annual Review of Earth and Planetary Sciences. 47, p. 583-606

    Research output: Contribution to journalReview article

  5. E-pub ahead of print
  6. Published

    MOVES - II. Tuning in to the radio environment of HD189733b

    Kavanagh, R. D., Vidotto, A. A., Ó. Fionnagáin, D., Bourrier, V., Fares, R., Jardine, M., Helling, C., Moutou, C., Llama, J. & Wheatley, P. J., Jun 2019, In : Monthly Notices of the Royal Astronomical Society. 485, 4, p. 4529–4538 10 p.

    Research output: Contribution to journalArticle

  7. Published

    Sparkling nights and very hot days on WASP-18b: the formation of clouds and the emergence of an ionosphere

    Helling, C., Gourbin, P., Woitke, P. & Parmentier, V., Jun 2019, In : Astronomy & Astrophysics. 626, 32 p., A133.

    Research output: Contribution to journalArticle

  8. Published

    What do astronomers want from the STFC?

    Serjeant, S., Bolton, J., Gandhi, P., Helling, C., Mazzali, P., Stappers, B., Unruh, Y. & Verma, A., Apr 2019, In : Astronomy & Geophysics. 60, 2, p. 2.13-2.17 5 p.

    Research output: Contribution to journalArticle

  9. 2018
  10. Published

    An absolute sodium abundance for a cloud-free 'hot Saturn' exoplanet

    Nikolov, N., Sing, D. K., Fortney, J. J., Goyal, J. M., Drummond, B., Evans, T. M., Gibson, N. P., De Mooj, E. J. W., Rustamkulov, Z., Wakeford, H. R., Smalley, B., Burgasser, A. J., Hellier, C., Helling, C., Mayne, N. J., Madhusudhan, N., Kataria, T., Baines, J., Carter, A. L., Ballester, G. E. & 3 othersBarstow, J. K., McCleery, J. & Spake, J. J., 7 May 2018, In : Nature. 557, p. 526-529

    Research output: Contribution to journalArticle

  11. Published

    Dust in brown dwarfs and extra-solar planets: VI. Assessing seed formation across the brown dwarf and exoplanet regimes

    Lee, G. K. H., Blecic, J. & Helling, C., 2018, In : Astronomy & Astrophysics. 614, 19 p., A126.

    Research output: Contribution to journalArticle

  12. Published

    Environmental effects on the ionisation of brown dwarf atmospheres

    Rodríguez-Barrera, M. I., Helling, C. & Wood, K., Oct 2018, In : Astronomy & Astrophysics. 618, 10 p., A107.

    Research output: Contribution to journalArticle

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