Karine Le Bail

Karine Le Bail

  • Scientist
  • 301.614.6549
  • NASA/GSFC
  • Mail Code: 61A.1
  • Greenbelt , MD 20771
  • Employer: NVI INC
  • Positions/Employment

    5/2009 - Present

    Scientist

    NVI Inc., at Goddard Space Flight Center GSFC/NASA, Greenbelt, MD, USA

    Other Professional Information

    March 2008-April 2009: Researcher - UMBC (University of Maryland, Baltimore County) at GSFC/NASA, Greenbelt, MD, USA.

    March 2005-April 2008: Research Engineer - Centre National d’Etudes Spatiales (CNES) and Centre National de la Recherche Scientifique (CNRS) (GEMINI, Observatoire de la Côte d’Azur, France), at GSFC/NASA, Greenbelt, MD, USA, from 1st of May, 2007 (previously at LAREG/IGN, Marne La Vallée, France).

    Education

    2004 – PhD in Dynamics of the Gravitational Systems, specialty: space Geodesy of Paris Observatory. Subject: Etude statistique des stations de géodésie spatiale – Application à DORIS; Statistical study of Space Geodesy stations – Application to DORIS.

    2000 - Diplôme d’Etudes Approfondies DEA « Astronomie Fondamentale, Mécanique Céleste et Géodésie » (~Master degree in Fundamental Astronomy, Celestial Mechanics and Geodesy) at Paris Observatory.

    1999 – Graduated in Mathematics Engineering at the University of Orléans, France.

     

    Professional Societies

    International Astronomical Union (IAU), 2015 - Present
    American Geophysical Union (AGU), 2005 - 2012

    Professional Service

    • IAG Working Group 1.4.1. on a Consistent realization of ITRF, ICRF, and EOP

    Publications

    Refereed

    McCallum, L., D. Mayer, K. Le Bail, et al. M. Schartner, J. McCallum, J. Lovell, O. Titov, F. Shu, and S. Gulyaev. 2017. "Star Scheduling Mode—A New Observing Strategy for Monitoring Weak Southern Radio Sources with the AuScope VLBI Array." Publications of the Astronomical Society of Australia, 34: e063 [10.1017/pasa.2017.58]

    Le Bail, K., J. M. Gipson, D. Gordon, et al. D. S. MacMillan, D. Behrend, C. C. Thomas, S. Bolotin, W. E. Himwich, K. D. Baver, B. E. Corey, M. Titus, G. Bourda, P. Charlot, and A. Collioud. 2016. "IVS Observation of ICRF2-Gaia Transfer Sources." The Astronomical Journal, 151 (3): 79 [10.3847/0004-6256/151/3/79]

    Lemoine, F., D. Chinn, N. Zelensky, J. Beall, and K. Le Bail. 2016. "The Development of the GSFC DORIS Contribution to ITRF2014." Advances in Space Research, 58 (12): 2520-2542 [10.1016/j.asr.2015.12.043]

    Le Bail, K., J. M. Gipson, and D. S. Macmillan. 2014. "Quantifying the Correlation Between the MEI and LOD Variations by Decomposing LOD with Singular Spectrum Analysis." International Association of Geodesy Symposia, "Earth on the Edge: Science for a Sustainable Planet", Melbourne, Australia, June 28 - July 2, 2011, 139: Berlin, Germany: 473-477, ISBN: 978-3-642-37222-3. [10.1007/978-3-642-37222-3_63]

    Gordon, D., K. L. Bail, C. Ma, et al. D. MacMillan, S. Bolotin, and J. Gipson. 2013. "The Construction of ICRF2 and Its Impact on the Terrestrial Reference Frame." Earth on the Edge: Science for a Sustainable Planet, 185-188 [10.1007/978-3-642-37222-3_23]

    Gordon, D., C. Ma, D. MacMillan, et al. S. Bolotin, K. Le Bail, and J. Gipson. 2013. "Effects of ICRF2 on the TRF, CRF, and EOP." International Association of Geodesy Symposia, 138 : Berlin, Germany: 175-179, ISBN: 978-3-642-32998-2. [10.1007/978-3-642-32998-2_26]

    Ma, C., D. MacMillan, S. Bolotin, et al. K. Le Bail, D. Gordon, and J. Gipson. 2012. "Comparison of Realizations of the Terrestrial Reference Frame." International Association of Geodesy Symposia, 138 : 51-56 [10.1007/978-3-642-32998-2_9]

    Gordon, D., C. Ma, D. S. Macmillan, et al. S. Bolotin, K. Le Bail, and J. M. Gipson. 2012. "Effects of ICRF2 on the TRF, CRF, and EOP." REFERENCE FRAMES FOR APPLICATIONS IN GEOSCIENCES, International Association of Geodesy Symposia, "IAG Symposium on Reference Frames for Applications in Geosciences (REFAG)", Marne-la-Vallée, France, Oct: 4-8, 2010, 138: Berlin, Germany: 175-179, ISBN: 978-3-642-32998-2. [ 10.1007/978-3-642-32998-2_26]

    Le Bail, K., D. Lemoine, and S. Chinn. 2010. "GSFC DORIS contribution to ITRF2008." Advances in Space Research, 45 (12): 1481-1499 [Full Text (Link)] [10.1016/j.asr.2010.01.030]

    Le Bail, K., F. G. Lemoine, and D. S. Chinn. 2010. "GSFC DORIS contribution to ITRF2008." Adv. in Space Res., 45 (12): 1481-1499 [Full Text (Link)] [10.1016/j.asr.2010.01.030]

    Le Bail, K., J.-J. Valette, W. Zerhouni, and M. Feissel-Vernier. 2007. "Long term consistency of multi-technique terrestrial reference frames, a spectral approach." Dynamic Planet: International Association of Geodesy Symposia, 130: 692-699 [10.1007/978-3-540-49350-1_100]

    Feissel-Vernier, M., O. de Viron, and K. Le Bail. 2007. "Stability of VLBI, SLR, DORIS and GPS positioning." Earth Planets and Space, 59 (6): 475-497.

    Stepanek, P., U. Hugentobler, and K. Le Bail. 2006. "First Results of DORIS Data Analysis at Geodetic Observatory Pecny." Journal of Geodesy, 80: 657-664 [10.1007/s00190-006-0071-7]

    Feissel-Vernier, M., K. Le Bail, P. Berio, et al. D. Coulot, G. Ramillien, and J. J. Valette. 2006. "Geocentre motion measured with DORIS and SLR, and predicted by geophysical models." Journal of Geodesy, 80: 637-648 [10.1007/s00190-006-0079-z]

    Tavernier, G., H. Fagard, M. Feissel-Vernier, et al. K. Le Bail, F. G. Lemoine, C. E. Noll, R. Noomen, J. C. Ries, J. J. Valette, and P. Willis. 2006. "The International DORIS Service: genesis and early achievements." J. Geodesy, 80: 403-417 [10.1007/s00190-006-0082-4]

    Le Bail, K. 2006. "Estimating the noise in space-geodetic positioning: the case of DORIS." Journal of Geodesy, 80 (8-11): 541-565 [10.1007/s00190-006-0088-y]

    Gontier, A. M., K. Le Bail, M. Feissel, and T. M. Eubanks. 2001. "Stability of the extragalactic VLBI reference frame." Astronomy & Astrophysics, 375: 661-669 [10.1051/0004-6361:20010707]

    Non-Refereed

    Ma, C., D. S. Macmillan, D. Gordon, and K. Le Bail. 2016. "Aspects of ICRF-3." International VLBI Service for Geodesy and Astrometry, 2016 General Meeting Proceedings, "New Horizons with VGOS" NASA/CP-2016-219016: Greenbelt, MD 20771, U.S.A.: 270-274 [Full Text (Link)]

    Le Bail, K., D. Gordon, and C. Ma. 2016. "Selecting Sources that Define a Stable Celestial Reference Frame with the Allan Variance." International VLBI Service for Geodesy and Astrometry, 2016 General Meeting Proceedings, "New Horizons with VGOS" NASA/CP-2016-219016: Greenbelt, Maryland 20771, U.S.A.: 288-291 [Full Text (Link)]

    Gordon, D., and K. Le Bail. 2016. "Status of the X/S Source Catalog." International VLBI Service for Geodesy and Astrometry, 2016 General Meeting Proceedings, "New Horizons with VGOS" NASA/CP-2016-219016: Greenbelt, Maryland, 20771: 280-282 [Full Text (Link)]

    Le Bail, K., D. Gordon, J. M. Gipson, and D. S. Macmillan. 2015. "Observing Gaia transfer sources in R&D and RDV sessions." Proceedings of the 22nd Meeting of the European VLBI Group for Geodesy and Astronomy, Sao Miguel, Azores, May 17-21. 2015 277-280, ISBN: 978-989-20-6191-7. [Full Text (Link)]

    Gipson, J. M., K. Le Bail, and C. Ma. 2014. "The NASA Goddard Group's Source Monitoring Database and Program." Proceedings of the 8th IVS General Meeting: "VGOS: The New VLBI Network", Shanghai, China, March 2-7, 2014 390-394, ISBN: 978-7-03-042974-2. [Full Text (Link)]

    Le Bail, K., D. Gordon, and J. M. Gipson. 2014. "Evaluation of the stability of ICRF2 in the past five years using the Allan variance." Proceedings of the 8th IVS General Meeting: VGOS: The New VLBI Network, Shanghai, China, March 2-7, 2014 ISBN: 978-7-03-042974-2. [Full Text (Link)]

    Le Bail, K., J. Gipson, J. Juhl, and D. MacMillan. 2013. "Optimal time lags to use in modeling the thermal deformation of VLBI Antennas." 21st Meeting of the European VLBI Group for Geodesy and Astronomy, held in Espoo, Finland, March 5-8, 2013, Eds: N. Zubko and M. Poutanen, Reports of the Finnish Geodetic Institute, p. 165-168. 165-168.

    Juhl, J., K. Le Bail, J. M. Gipson, and D. MacMillan. 2012. "Improving VLBI Processing by using Homogeneous Data for Pressure and Temperature." International VLBI Service for Geodesy and Astrometry, 2012 General Meeting Proceedings NASA CP/2012-217504: Greenbelt, Maryland, U.S.A.: 241-245 [Full Text (Link)]

    Le Bail, K., J. Gipson, and S. Bolotin. 2012. "Regularization of Nutation Time Series at GSFC." International VLBI Service for Geodesy and Astrometry, 2012 General Meeting Proceedings, NASA CP/2012-217504: Greenbelt, Maryland, U.S.A.: 380-384 [Full Text (Link)]

    Le Bail, K., and J. M. Gipson. 2011. "Strategy to Improve the Homogeneity of Meteorological Data in Mark3 Databases." 20th Meeting of the European VLBI Group for Geodesy and Astronomy, Bonn, Germany, March 29-30, 2011 Rheinischen Friedrich-Wilhelms-Universität Bonn: 138-141 [Full Text (Link)]

    Gordon, D., C. Ma, D. S. Macmillan, et al. J. M. Gipson, K. D. Baver, S. Bolotin, and K. Le Bail. 2010. "GSFC VLBI analysis center." 2010 International VLBI Service for Geodesy and Astrometry Annual Report 2009 231-234 [Full Text (Link)]

    Le Bail, K., and D. Gordon. 2010. "Time-dependent Selection of an Optimal Set of Sources to Define a Stable Celestial Reference Frame." International VLBI Service for Geodesy and Astrometry, 2010 General Meeting Proceedings NASA CP/2010-215864: Greenbelt, Maryland, U.S.A.: 280-283 [Full Text (Link)]

    Gontier, A. M., K. Le Bail, and M. Feissel. 2001. "Studies of the stability of the ICRS." Journées 2000 – systèmes de référence spatio-temporels. J2000, a fundamental epoch for origins of reference systems and astronomical models, N. Capitaine (Ed.) 23-28, ISBN: 2-901057-45-4.

    Publications

    Refereed

    McCallum, L., D. Mayer, K. Le Bail, et al. M. Schartner, J. McCallum, J. Lovell, O. Titov, F. Shu, and S. Gulyaev. 2017. "Star Scheduling Mode—A New Observing Strategy for Monitoring Weak Southern Radio Sources with the AuScope VLBI Array." Publications of the Astronomical Society of Australia 34 e063 [10.1017/pasa.2017.58]

    Le Bail, K., J. M. Gipson, D. Gordon, et al. D. S. MacMillan, D. Behrend, C. C. Thomas, S. Bolotin, W. E. Himwich, K. D. Baver, B. E. Corey, M. Titus, G. Bourda, P. Charlot, and A. Collioud. 2016. "IVS Observation of ICRF2-Gaia Transfer Sources." The Astronomical Journal 151 (3): 79 [10.3847/0004-6256/151/3/79]

    Lemoine, F., D. Chinn, N. Zelensky, J. Beall, and K. Le Bail. 2016. "The Development of the GSFC DORIS Contribution to ITRF2014." Advances in Space Research 58 (12): 2520-2542 [10.1016/j.asr.2015.12.043]

    Le Bail, K., J. M. Gipson, and D. S. Macmillan. 2014. "Quantifying the Correlation Between the MEI and LOD Variations by Decomposing LOD with Singular Spectrum Analysis." International Association of Geodesy Symposia, "Earth on the Edge: Science for a Sustainable Planet", Melbourne, Australia, June 28 - July 2, 2011 139 473-477 [10.1007/978-3-642-37222-3_63]

    Gordon, D., K. L. Bail, C. Ma, et al. D. MacMillan, S. Bolotin, and J. Gipson. 2013. "The Construction of ICRF2 and Its Impact on the Terrestrial Reference Frame." Earth on the Edge: Science for a Sustainable Planet 185-188 [10.1007/978-3-642-37222-3_23]

    Gordon, D., C. Ma, D. MacMillan, et al. S. Bolotin, K. Le Bail, and J. Gipson. 2013. "Effects of ICRF2 on the TRF, CRF, and EOP." International Association of Geodesy Symposia 138 175-179 [10.1007/978-3-642-32998-2_26]

    Ma, C., D. MacMillan, S. Bolotin, et al. K. Le Bail, D. Gordon, and J. Gipson. 2012. "Comparison of Realizations of the Terrestrial Reference Frame." International Association of Geodesy Symposia 138 51-56 [10.1007/978-3-642-32998-2_9]

    Gordon, D., C. Ma, D. S. Macmillan, et al. S. Bolotin, K. Le Bail, and J. M. Gipson. 2012. "Effects of ICRF2 on the TRF, CRF, and EOP." REFERENCE FRAMES FOR APPLICATIONS IN GEOSCIENCES, International Association of Geodesy Symposia, "IAG Symposium on Reference Frames for Applications in Geosciences (REFAG)", Marne-la-Vallée, France, Oct: 4-8, 2010 138 175-179 [ 10.1007/978-3-642-32998-2_26]

    Le Bail, K., D. Lemoine, and S. Chinn. 2010. "GSFC DORIS contribution to ITRF2008." Advances in Space Research 45 (12): 1481-1499 [Full Text (Link)] [10.1016/j.asr.2010.01.030]

    Le Bail, K., F. G. Lemoine, and D. S. Chinn. 2010. "GSFC DORIS contribution to ITRF2008." Adv. in Space Res. 45 (12): 1481-1499 [Full Text (Link)] [10.1016/j.asr.2010.01.030]

    Le Bail, K., J.-J. Valette, W. Zerhouni, and M. Feissel-Vernier. 2007. "Long term consistency of multi-technique terrestrial reference frames, a spectral approach." Dynamic Planet: International Association of Geodesy Symposia 130 692-699 [10.1007/978-3-540-49350-1_100]

    Feissel-Vernier, M., O. de Viron, and K. Le Bail. 2007. "Stability of VLBI, SLR, DORIS and GPS positioning." Earth Planets and Space 59 (6): 475-497

    Stepanek, P., U. Hugentobler, and K. Le Bail. 2006. "First Results of DORIS Data Analysis at Geodetic Observatory Pecny." Journal of Geodesy 80 657-664 [10.1007/s00190-006-0071-7]

    Feissel-Vernier, M., K. Le Bail, P. Berio, et al. D. Coulot, G. Ramillien, and J. J. Valette. 2006. "Geocentre motion measured with DORIS and SLR, and predicted by geophysical models." Journal of Geodesy 80 637-648 [10.1007/s00190-006-0079-z]

    Tavernier, G., H. Fagard, M. Feissel-Vernier, et al. K. Le Bail, F. G. Lemoine, C. E. Noll, R. Noomen, J. C. Ries, J. J. Valette, and P. Willis. 2006. "The International DORIS Service: genesis and early achievements." J. Geodesy 80 403-417 [10.1007/s00190-006-0082-4]

    Le Bail, K. 2006. "Estimating the noise in space-geodetic positioning: the case of DORIS." Journal of Geodesy 80 (8-11): 541-565 [10.1007/s00190-006-0088-y]

    Gontier, A. M., K. Le Bail, M. Feissel, and T. M. Eubanks. 2001. "Stability of the extragalactic VLBI reference frame." Astronomy & Astrophysics 375 661-669 [10.1051/0004-6361:20010707]

    Non-Refereed

    Ma, C., D. S. Macmillan, D. Gordon, and K. Le Bail. 2016. "Aspects of ICRF-3." International VLBI Service for Geodesy and Astrometry, 2016 General Meeting Proceedings, "New Horizons with VGOS" NASA/CP-2016-219016 270-274 [Full Text (Link)]

    Le Bail, K., D. Gordon, and C. Ma. 2016. "Selecting Sources that Define a Stable Celestial Reference Frame with the Allan Variance." International VLBI Service for Geodesy and Astrometry, 2016 General Meeting Proceedings, "New Horizons with VGOS" NASA/CP-2016-219016 288-291 [Full Text (Link)]

    Gordon, D., and K. Le Bail. 2016. "Status of the X/S Source Catalog." International VLBI Service for Geodesy and Astrometry, 2016 General Meeting Proceedings, "New Horizons with VGOS" NASA/CP-2016-219016 280-282 [Full Text (Link)]

    Le Bail, K., D. Gordon, J. M. Gipson, and D. S. Macmillan. 2015. "Observing Gaia transfer sources in R&D and RDV sessions." Proceedings of the 22nd Meeting of the European VLBI Group for Geodesy and Astronomy, Sao Miguel, Azores, May 17-21. 2015 277-280 [Full Text (Link)]

    Gipson, J. M., K. Le Bail, and C. Ma. 2014. "The NASA Goddard Group's Source Monitoring Database and Program." Proceedings of the 8th IVS General Meeting: "VGOS: The New VLBI Network", Shanghai, China, March 2-7, 2014 390-394 [Full Text (Link)]

    Le Bail, K., D. Gordon, and J. M. Gipson. 2014. "Evaluation of the stability of ICRF2 in the past five years using the Allan variance." Proceedings of the 8th IVS General Meeting: VGOS: The New VLBI Network, Shanghai, China, March 2-7, 2014 [Full Text (Link)]

    Le Bail, K., J. Gipson, J. Juhl, and D. MacMillan. 2013. "Optimal time lags to use in modeling the thermal deformation of VLBI Antennas." 21st Meeting of the European VLBI Group for Geodesy and Astronomy, held in Espoo, Finland, March 5-8, 2013, Eds: N. Zubko and M. Poutanen, Reports of the Finnish Geodetic Institute, p. 165-168. 165-168

    Juhl, J., K. Le Bail, J. M. Gipson, and D. MacMillan. 2012. "Improving VLBI Processing by using Homogeneous Data for Pressure and Temperature." International VLBI Service for Geodesy and Astrometry, 2012 General Meeting Proceedings NASA CP/2012-217504 241-245 [Full Text (Link)]

    Le Bail, K., J. Gipson, and S. Bolotin. 2012. "Regularization of Nutation Time Series at GSFC." International VLBI Service for Geodesy and Astrometry, 2012 General Meeting Proceedings, NASA CP/2012-217504 380-384 [Full Text (Link)]

    Le Bail, K., and J. M. Gipson. 2011. "Strategy to Improve the Homogeneity of Meteorological Data in Mark3 Databases." 20th Meeting of the European VLBI Group for Geodesy and Astronomy, Bonn, Germany, March 29-30, 2011 138-141 [Full Text (Link)]

    Gordon, D., C. Ma, D. S. Macmillan, et al. J. M. Gipson, K. D. Baver, S. Bolotin, and K. Le Bail. 2010. "GSFC VLBI analysis center." 2010 International VLBI Service for Geodesy and Astrometry Annual Report 2009 231-234 [Full Text (Link)]

    Le Bail, K., and D. Gordon. 2010. "Time-dependent Selection of an Optimal Set of Sources to Define a Stable Celestial Reference Frame." International VLBI Service for Geodesy and Astrometry, 2010 General Meeting Proceedings NASA CP/2010-215864 280-283 [Full Text (Link)]

    Gontier, A. M., K. Le Bail, and M. Feissel. 2001. "Studies of the stability of the ICRS." Journées 2000 – systèmes de référence spatio-temporels. J2000, a fundamental epoch for origins of reference systems and astronomical models, N. Capitaine (Ed.) 23-28

                                                                                                                                                                                            
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