KEIICHI ONAKA

    Calculated based on number of publications stored in Pure and citations from Scopus
    1996 …2022

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    Expertise related to UN Sustainable Development Goals

    In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

    • SDG 3 - Good Health and Well-being

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    • HST STIS Observations of ζ Aurigae A's Irradiated Atmosphere

      Harper, G. M., Bennett, P. D., Brown, A., Ayres, T. R., Ohnaka, K. & Griffin, E., 1 Jul 2022, In: Astronomical Journal. 164, 1, 16.

      Research output: Contribution to journalArticlepeer-review

      Open Access
    • Spatially resolved mid-infrared observations of the circumstellar environment of the born-again object FG Sge

      Ohnaka, K. & Jara Bravo, B. A., 1 Dec 2022, In: Astronomy and Astrophysics. 668, A119.

      Research output: Contribution to journalArticlepeer-review

      Open Access
    • VLTI-MATISSE L - And N -band aperture-synthesis imaging of the unclassified B[e] star FS Canis Majoris

      Hofmann, K. H., Bensberg, A., Schertl, D., Weigelt, G., Wolf, S., Meilland, A., Millour, F., Waters, L. B. F. M., Kraus, S., Ohnaka, K., Lopez, B., Petrov, R. G., Lagarde, S., Berio, P., Allouche, F., Robbe-Dubois, S., Jaffe, W., Henning, T., Paladini, C., Schöller, M., & 41 othersMérand, A., Glindemann, A., Beckmann, U., Heininger, M., Bettonvil, F., Zins, G., Woillez, J., Bristow, P., Stee, P., Vakili, F., Van Boekel, R., Hogerheijde, M. R., Dominik, C., Augereau, J. C., Matter, A., Hron, J., Pantin, E., Rivinius, T., De Wit, W. J., Varga, J., Klarmann, L., Meisenheimer, K., Gámez Rosas, V., Burtscher, L., Leftley, J., Isbell, J. W., Yoffe, G., Kokoulina, E., Danchi, W. C., Cruzalèbes, P., Domiciano De Souza, A., Drevon, J., Hocdé, V., Kreplin, A., Labadie, L., Connot, C., Nußbaum, E., Lehmitz, M., Antonelli, P., Graser, U. & Leinert, C., 1 Feb 2022, In: Astronomy and Astrophysics. 658, A81.

      Research output: Contribution to journalArticlepeer-review

      Open Access
      3 Citations (Scopus)
    • VLTI-MATISSE chromatic aperture-synthesis imaging of η Carinae's stellar wind across the Br α line: Periastron passage observations in February 2020

      Weigelt, G., Hofmann, K. H., Schertl, D., Lopez, B., Petrov, R. G., Lagarde, S., Berio, P., Jaffe, W., Henning, T., Millour, F., Meilland, A., Allouche, F., Robbe-Dubois, S., Matter, A., Cruzalèbes, P., Hillier, D. J., Russell, C. M. P., Madura, T., Gull, T. R., Corcoran, M. F., & 59 othersDamineli, A., Moffat, A. F. J., Morris, P. W., Richardson, N. D., Paladini, C., Schöller, M., Mérand, A., Glindemann, A., Beckmann, U., Heininger, M., Bettonvil, F., Zins, G., Woillez, J., Bristow, P., Sanchez-Bermudez, J., Ohnaka, K., Kraus, S., Mehner, A., Wittkowski, M., Hummel, C. A., Stee, P., Vakili, F., Hartman, H., Navarete, F., Hamaguchi, K., Espinoza-Galeas, D. A., Stevens, I. R., Van Boekel, R., Wolf, S., Hogerheijde, M. R., Dominik, C., Augereau, J. C., Pantin, E., Waters, L. B. F. M., Meisenheimer, K., Varga, J., Klarmann, L., Gámez Rosas, V., Burtscher, L., Leftley, J., Isbell, J. W., Hocdé, V., Yoffe, G., Kokoulina, E., Hron, J., Groh, J., Kreplin, A., Rivinius, T., De Wit, W. J., Danchi, W. C., Domiciano De Souza, A., Drevon, J., Labadie, L., Connot, C., Nußbaum, E., Lehmitz, M., Antonelli, P., Graser, U. & Leinert, C., 1 Aug 2021, In: Astronomy and Astrophysics. 652, A140.

      Research output: Contribution to journalArticlepeer-review

      Open Access
      2 Citations (Scopus)
    • ALMA and VLA reveal the lukewarm chromospheres of the nearby red supergiants Antares and Betelgeuse

      O'Gorman, E., Harper, G. M., Ohnaka, K., Feeney-Johansson, A., Wilkeneit-Braun, K., Brown, A., Guinan, E. F., Lim, J., Richards, A. M. S., Ryde, N. & Vlemmings, W. H. T., 1 Jun 2020, In: Astronomy and Astrophysics. 638, A65.

      Research output: Contribution to journalArticlepeer-review

      Open Access
      8 Citations (Scopus)