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Journal Article (46)

  1. 1.
    Journal Article
    Liang, Z.-C.; Gizon, L.; Birch, A.; Duvall, T.: Time-distance helioseismology of solar Rossby waves. Astronomy and Astrophysics 626 (2019)
  2. 2.
    Journal Article
    Schunker, H.; Birch, A.; Cameron, R. H.; Braun, D. C.; Gizon, L.; Burston, R.: Average motion of emerging solar active region polarities: I. Two phases of emergence. Astronomy and Astrophysics 625 (2019)
  3. 3.
    Journal Article
    DeGrave, K.; Braun, D. C.; Birch, A.; Crouch, A. D.; Javornik, B.: Validating Forward Modeling and Inversions of Helioseismic Holography Measurements. The Astrophysical Journal 863 (1), 34 (2018)
  4. 4.
    Journal Article
    Gizon, L.; Fournier, D.; Yang, D.; Birch, A.; Barucq, H.: Signal and noise in helioseismic holography. Astronomy and Astrophysics 620 (2018)
  5. 5.
    Journal Article
    Langfellner, J.; Birch, A.; Gizon, L.: Evolution and wave-like properties of the average solar supergranule. Astronomy and Astrophysics 617 (2018)
  6. 6.
    Journal Article
    Liang, Z.-C.; Gizon, L.; Birch, A.; Duvall, T.; Rajaguru, S. P.: Solar meridional circulation from twenty-one years of SOHO/MDI and SDO/HMI observations: Helioseismic travel times and forward modeling in the ray approximation. Astronomy and Astrophysics 619, A99 (2018)
  7. 7.
    Journal Article
    Löptien, B.; Gizon, L.; Birch, A.; Schou, J.; Proxauf, B.; Duvall, T.; Bogart, R. S.; Christensen, U. R.: Global-scale equatorial Rossby waves as an essential component of solar internal dynamics. Nature astronomy 2 (2018)
  8. 8.
    Journal Article
    Bhattacharya, J.; Hanasoge, S. M.; Birch, A.; Gizon, L.: Recovery of subsurface profiles of supergranular flows via iterative inversion of synthetic travel times. Astronomy and Astrophysics 607 (2017)
  9. 9.
    Journal Article
    Felipe, T.; Braun, D. C.; Birch, A. C.: Helioseismic holography of simulated sunspots: dependence of the travel time on magnetic field strength and Wilson depression. Astronomy and Astrophysics 604, A126 (2017)
  10. 10.
    Journal Article
    Gizon, L.; Barucq, H.; Duruflé, M.; Hanson, C. S.; Leguèbe, M.; Birch, A. C.; Chabassier, J.; Fournier, D.; Hohage, T.; Papini, E.: Computational helioseismology in the frequency domain: acoustic waves in axisymmetric solar models with flows. Astronomy and Astrophysics 600, A35 (2017)
  11. 11.
    Journal Article
    Liang, Z.-C.; Birch, A. C.; Duvall{} Jr., T. L.; Gizon, L.; Schou, J.: Comparison of acoustic travel-time measurements of solar meridional circulation from SDO/HMI and SOHO/MDI. Astronomy and Astrophysics 601, A46 (2017)
  12. 12.
    Journal Article
    Löptien, B.; Birch, A. C.; Duvall Jr., T. L.; Gizon, L.; Proxauf, B.; Schou, J.: Measuring solar active region inflows with local correlation tracking of granulation. Astronomy and Astrophysics 606, A28 (2017)
  13. 13.
    Journal Article
    Nagashima, K.; Fournier, D.; Birch, A. C.; Gizon, L.: The amplitude of the cross-covariance function of solar oscillations as a diagnostic tool for wave attenuation and geometrical spreading. Astronomy and Astrophysics 599, A111 (2017)
  14. 14.
    Journal Article
    Birch, A. C.; Schunker, H.; Braun, D. C.; Cameron, R.; Gizon, L.; Löptien, B.; Rempel, M.: A low upper limit on the subsurface rise speed of solar active regions. Science Advances 2, p. e1600557 - e1600557 (2016)
  15. 15.
    Journal Article
    Böning, V. G. A.; Roth, M.; Zima, W.; Birch, A. C.; Gizon, L.: Sensitivity Kernels for Flows in Time-Distance Helioseismology: Extension to Spherical Geometry. Astrophysical Journal 824, 49 (2016)
  16. 16.
    Journal Article
    Felipe, T.; Braun, D. C.; Crouch, A. D.; Birch, A. C.: Helioseismic Holography of Simulated Sunspots: Magnetic and Thermal Contributions to Travel Times. Astrophysical Journal 829, 67 (2016)
  17. 17.
    Journal Article
    Gizon, L.; Sekii, T.; Takata, M.; Kurtz, D. W.; Shibahashi, H.; Bazot, M.; Benomar, O.; Birch, A. C.; Sreenivasan, K. R.: Shape of a slowly rotating star measured by asteroseismology. Science Advances 2 (11), e1601777 (2016)
  18. 18.
    Journal Article
    Langfellner, J.; Birch, A. C.; Gizon, L.: Intensity contrast of the average supergranule. Astronomy and Astrophysics 596, A66 (2016)
  19. 19.
    Journal Article
    Löptien, B.; Birch, A. C.; Duvall, T. L.; Gizon, L.; Schou, J.: Data compression for local correlation tracking of solar granulation. Astronomy and Astrophysics 587, A9 (2016)
  20. 20.
    Journal Article
    Löptien, B.; Birch, A. C.; Duvall, T. L.; Gizon, L.; Schou, J.: The shrinking Sun: a systematic error in local correlation tracking of solar granulation. Astronomy and Astrophysics 590, A130 (2016)
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