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Korzennik, Sylvain

Senior Scientist & HPC Analyst

Astronomy; solar physics; helioseismology; astroseismology; extrasolar planets.

Background And Education

Education And Training

B.E., Free University of Brussels
Ph.D., University of California, Los Angeles

Publications

Selected Publications

Article
- Korzennik, Sylvain G. 2023. "Precision and Systematic Errors in Global Helioseismology Mode Fitting and Inversions, Leveraging some 25 Years of Nearly Uninterrupted Observations." Frontiers in Astronomy and Space Sciences, 9 1031313. https://doi.org/10.3389/fspas.2022.1031313. 2023
- Korzennik, Sylvain G. 2020. "On Active Region Emergence Precursors." Astrophysics and Space Science Proceedings, 57 129–132. https://doi.org/10.1007/978-3-030-55336-4_17. 2020
- Korzennik, Sylvain G. 2017. "Initial Results from Fitting p-Modes Using Intensity Observations from the Helioseismic and Magnetic Imager." Solar Physics, 292 138. https://doi.org/10.1007/s11207-017-1162-8. 2017
- Korzennik, S. G., Rabello-Soares, M. C., Schou, J., and Larson, T. P. 2013. "Accurate Characterization of High-degree Modes Using MDI Observations." The Astrophysical Journal, 772 87. https://doi.org/10.1088/0004-637X/772/2/87. 2013
- Eff-Darwich, A. and Korzennik, S. G. 2013. "The Dynamics of the Solar Radiative Zone." Solar Physics, 287 43–56. https://doi.org/10.1007/s11207-012-0048-z. 2013
- Korzennik, S. G., Rabello-Soares, M. C., Schou, J., Larson, T. P., Shibahashi, H., Takata, M., and Lynas-Gray, A. E. 2012. "A Determination of High-degree Mode Parameters Based on MDI Observations." Progress in Solar/Stellar Physics with Helio- and Asteroseismology, 462 189. 2012
- Phillips, David F., Glenday, Alexander G., Li, Chih-Hao, Cramer, Claire, Furesz, Gabor, Chang, Guoqing, Benedick, Andrew J., Chen, Li-Jin, Kärtner, Franz X., Korzennik, Sylvain, Sasselov, Dimitar, Szentgyorgyi, Andrew H., and Walsworth, Ronald L. 2012. "Calibration of an astrophysical spectrograph below 1 m/s using a laser frequency comb." Optics Express, 20 13711. https://doi.org/10.1364/OE.20.013711. 2012
- Phillips, David F., Glenday, Alex, Li, Chih-Hao, Furesz, Gabor, Benedick, Andrew J., Chang, Guoqing N., Chen, Li-Jin, Korzennik, Sylvain, Sasselov, Dimitar, Kaertner, Franz X., Szentgyorgyi, Andrew H., and Walsworth, Ronald L. 2012. "Calibration of an echelle spectrograph with an astro-comb: a laser frequency comb with very high repetition rate." Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series, 8446. https://doi.org/10.1117/12.926465. 2012
- Korzennik, S. G., Rabello-Soares, M. C., and Schou, J. 2012. "Erratum: "On the Determination of Michelson Doppler Imager High-degree Mode Frequencies" (2004, ApJ, 602, 481)." The Astrophysical Journal, 760 156. https://doi.org/10.1088/0004-637X/760/2/156. 2012
- Korzennik, S. G., Eff-Darwich, A., Shibahashi, H., Takata, M., and Lynas-Gray, A. E. 2012. "The Solar Rotation and Its Evolution during Cycle 23." Progress in Solar/Stellar Physics with Helio- and Asteroseismology, 462 267. 2012
- Chaplin, W. J., Appourchaux, T., Elsworth, Y., García, R. A., Houdek, G., Karoff, C., Metcalfe, T. S., Molenda-Zakowicz, J., Monteiro, M. J. P. F. G., Thompson, M. J., Brown, T. M., Christensen-Dalsgaard, J., Gilliland, R. L., Kjeldsen, H., Borucki, William J., Koch, D., Jenkins, J. M., Ballot, J., Basu, S., Bazot, M., Bedding, T. R., Benomar, O., Bonanno, A., Brandão, I. M., Bruntt, H. et al. 2010. "The Asteroseismic Potential of Kepler: First Results for Solar-Type Stars." The Astrophysical Journal Letters, 713 L169–L175. 2010
- Rabello-Soares, M. C., Korzennik, S. G., and Schou, J. 2008. "Analysis of MDI High-Degree Mode Frequencies and their Rotational Splittings." Solar Physics, 251 197–224. https://doi.org/10.1007/s11207-008-9231-7. 2008
- Eff-Darwich, A., Korzennik, S. G., Jimnez-Reyes, S. J., and García, R. A. 2008. "Analysis of the Sensitivity of Solar Rotation to Helioseismic Data from GONG, GOLF, and MDI Observations." The Astrophysical Journal, 679 1636–1643. 2008
- Korzennik, S. G., Rabello-Soares, M. C., and Schou, J. 2008. "High degree modes & instrumental effects." Journal of Physics Conference Series, 118 2027. https://doi.org/10.1088/1742-6596/118/1/012027. 2008
- García, R. A., Mathur, S., Ballot, J., Eff-Darwich, A., Jiménez-Reyes, S. J., and Korzennik, S. G. 2008. "Influence of Low-Degree High-Order p-Mode Splittings on the Solar Rotation Profile." Solar Physics, 251 119–133. https://doi.org/10.1007/s11207-008-9144-5. 2008
- Korzennik, S. G. 2008. "YAOPBM—II: extension to higher degrees and to shorter time series." Journal of Physics Conference Series, 118 2082. https://doi.org/10.1088/1742-6596/118/1/012082. 2008
Conference Paper
- Korzennik, S. G., Eff-Darwich, A., Larson, T. P., Rabello-Soares, M. C., Schou, J., Jain, K., Tripathy, S. C., Hill, F., Leibacher, J. W., and Pevtsov, A. A. 2013. "Characterization of High-Degree Modes using MDI, HMI and GONG Data." from Astronomical Society of the Pacific Conference Series. 478, 173. 2013
- Korzennik, S. G., Jain, K., Tripathy, S. C., Hill, F., Leibacher, J. W., and Pevtsov, A. A. 2013. "Mode Frequencies from GONG, MDI, and HMI Data." from Astronomical Society of the Pacific Conference Series. 478, 137. 2013

Contact

Location

Smithsonian Astrophysical Observatory Academic Department