Orville Chris St. Cyr

Orville Chris St. Cyr

  • RSCH AST, SOLAR & SOLAR TRSTRL STD
  • 301.286.2575 | 301.286.1617
  • NASA/GSFC
  • Mail Code: 670
  • Greenbelt , MD 20771
  • Employer: NASA
  • Education

    Astrophysicist, Heliophysics Science Division, Goddard Space Flight Center
    Adjunct Research Professor, IACS, Department of Physics, The Catholic University of America

    Publications

    Refereed

    Reginald, N. L., J. M. Davila, O. C. St Cyr, and L. Rastaetter. 2014. "Evaluating the Uncertainties in the Electron Temperature and Radial Speed Measurements Using White Light Corona Eclipse Observations." Evaluating the Uncertainties in the Electron Temperature and Radial Speed Measurements Using White Light Corona Eclipse Observations, 289 (6): 2021-2039 [Full Text (Link)] [10.1007/s11207-013-0467-5]

    Muller, D., R. G. Marsden, O. C. St Cyr, and H. R. Gilbert. 2013. "Solar Orbiter . Exploring the Sun-Heliosphere Connection." Solar Physics, 285: 25-70 [10.1007/s11207-012-0085-7]

    Uller, D., R. G. Marsden, and O. C. St Cyr. 2013. "Scientific synergy between Solar Orbiter and other new observatories." Memorie della Societa Astronomica Italiana, 84: 396-.

    Xie, H. N., N. Gopalswamy, and O. C. St cyr. 2013. "Near-Sun Flux-Rope Structure of CMEs." Solar Physics, 284 (1): 47-58 [10.1007/s11207-012-0209-0]

    Xie, H. N., O. C. St Cyr, N. Gopalswamy, D. Odstrcil, and H. Cremades. 2013. "Understanding shock dynamics in the inner heliosphere with modeling and type II radio data: A statistical study." J. Geophys. Res. Space Physics, 118 (8): 4711-4723 [10.1002/jgra.50444]

    Davis, C. J., J. A. Davies, O. C. St Cyr, et al. M. Campbell-Brown, A. Skelt, M. Kaiser, N. Meyer-Vernet, S. Crothers, C. Lintott, A. Smith, S. Bamford, and E. M. Baeten. 2012. "The distribution of interplanetary dust between 0.96 and 1.04 au s inferred from impacts on the STEREO spacecraft observed by the heliospheric imagers." Monthly Notices of the Royal Astronomical Society, 420: 1355-1366 [10.1111/j.1365-2966.2011.20125.x]

    Marsden, R., C. P. Escoubet, D. Mueller, and O. C. St Cyr. 2012. "Future science with Solar Orbiter." 39th COSPAR Scientific Assembly, 39: 1189-.

    St Cyr, O. C., N. Murphy, and J. T. VanSant. 2012. "Techniques for Achieving Out-of-Ecliptic Vantage Points." 39th COSPAR Scientific Assembly, 39: 1887-.

    Gopalswamy, N., J. M. Davila, M. L. Kaiser, et al. R. J. Macdowall, O. C. St Cyr, H. N. Xie, P. A. Makela, S. Yashiro, and W. Poomvises. 2012. "A Global View of the Energetic Solar Eruptions during 2012 January 19-27." 39th COSPAR Scientific Assembly, 39: 652.

    Xie, H. N., D. Odstrcil, L. Mays, et al. O. C. St Cyr, N. Gopalswamy, and H. Cremades. 2012. "Understanding shock dynamics in the inner heliosphere with modeling and Type II radio data: The 2010-04-03 event." Journal of Geophysical Research (Space Physics), 117: 4105 [ 10.1029/2011JA017304]

    Thompson, W. T., J. M. Davila, O. C. St Cyr, and N. L. Reginald. 2011. "STEREO SECCHI COR1-A/B Intercalibration at 180° Separation." Solar Physics, 272 (1): 215-225 [10.1007/s11207-011-9815-5]

    Reginald, N. L., J. M. Davila, O. C. St Cyr, et al. D. M. Rabin, M. Guhathakurta, D. M. Hassler, and H. Gashut. 2011. "Electron Temperatures and Flow Speeds of the Low Solar Corona: MACS Results from the Total Solar Eclipse of 29 March 2006 in Libya." Solar Physics, 270 (1): 235-251 [10.1007/s11207-011-9736-3]

    Rouillard, A. P., D. Odstrcil, N. R. Sheeley, et al. A. Tylka, A. Vourlidas, G. Mason, C.-C. Wu, N. P. Savani, B. E. Wood, C. K. Ng, G. Stenborg, A. Szabo, and O. C. St Cyr. 2011. "Interpreting the Properties of Solar Energetic Particle Events by Using Combined Imaging and Modeling of Interplanetary Shocks." The Astrophysical Journal, 735: [7-10.1088/0004-637X/735/1/7]

    Mays, M. L., O. C. St Cyr, H. Xie, and D. G. Sibeck. 2011. "Geo-effective Stream Interactions and CMEs in Solar Minimum." AGU Fall Meeting Abstracts, A8-:

    Cremades, H., F. A. Iglesias, O. C. St Cyr, et al. M. L. Kaiser, H. Xie, and C. A. Quirk. 2011. "A Descriptive-Predictive Model of CME Propagation based on Multi-Instrument Data." AGU Fall Meeting Abstracts, 2045-:

    Quirk, C. A., O. C. St Cyr, C. Henning, et al. H. Xie, H. R. Gilbert, M. Orlove, N. Gopalswamy, and D. Odstrcil. 2011. "Type II Radio Bursts as an Indicator of CME Location." AGU Fall Meeting Abstracts, 2047-:

    St Cyr, O. C., M. Orlove, H. Xie, et al. H. R. Gilbert, D. Odstrcil, N. Gopalswamy, M. L. Mays, C. A. Quirk, and C. Henning. 2011. "CME Parameter Input to ENLIL: LASCO halo cone versus STEREO measurements." AGU Fall Meeting Abstracts, 2046-:

    Xie, H., D. Odstrcil, M. L. Mays, et al. O. C. St Cyr, N. Gopalswamy, and H. Cremades. 2011. "Understanding Shock Dynamics in the Inner Heliosphere with Modeling and Type II Radio Data: the 2010-04-03 event." AGU Fall Meeting Abstracts, 2050-:

    Reginald, N. L., J. M. Davila, and O. C. St Cyr. 2011. "Technique to Measure the Coronal Electron Temperature and Radial Flow Speed." AGU Fall Meeting Abstracts, 2-:

    Ierla, M., B. Inhester, A. Antunes, et al. Y. Boursier, J. P. Byrne, R. Colaninno, J. Davila, C. A. de Koning, P. T. Gallagher, S. Gissot, R. A. Howard, T. A. Howard, M. Kramar, P. Lamy, P. C. Liewer, S. Maloney, C. Marque, R. T. McAteer, T. Moran, L. Rodriguez, N. Srivastava, O. C. St Cyr, G. Stenborg, M. Temmer, A. Thernisien, A. Vourlidas, M. J. West, B. E. Wood, and A. N. Zhukov. 2010. "On the 3-D reconstruction of Coronal Mass Ejections using coronagraph data." Annales Geophysicae, 28: 203-215 [10.5194/angeo-28-203-2010]

    Panchenko, M., H. O. Rucker, M. L. Kaiser, et al. O. C. St Cyr, J.-L. Bougeret, K. Goetz, and S. D. Bale. 2010. "New periodicity in Jovian decametric radio emission." Geophysical Research Letters, 37: [5106-10.1029/2010GL042488]

    ONeill, J. F., O. C. St Cyr, L. Mays, et al. N. Gopalswamy, J. C. Raymond, A. Ciaravella, S. Yashiro, H. Xie, S. Giordano, and C. Quirk. 2010. "Statistical Study of Solar Activity Associated with SOHO UVCS Coronal Mass Ejections." AGU Fall Meeting Abstracts, 1838-:

    Xie, H., L. Mays, O. C. St Cyr, et al. N. Gopalswamy, D. Odstrcil, and H. Cremades. 2010. "Understanding Interplanetary Shock Dynamics in the Inner Heliosphere with New Observations and Modeling Techniques: Case studies on the 2010-04-03 and 2010-08-01 events." AGU Fall Meeting Abstracts, 1858-:

    St Cyr, O. C., C. Henning, H. Xie, et al. D. Odstrcil, L. Mays, H. Cremades, F. Iglesias, N. Gopalswamy, and M. L. Kaiser. 2010. "Understanding Interplanetary Shock Dynamics in the Inner Heliosphere with New Observations and Modeling Techniques." AGU Fall Meeting Abstracts, 1850-:

    Mays, M. L., O. C. St Cyr, and D. G. Sibeck. 2010. "The properties of geo-effective CMEs and SIRs in STEREO and THEMIS." AGU Fall Meeting Abstracts, 1692-:

    Akiyama, S., N. Gopalswamy, H. Xie, et al. S. Yashiro, P. A. Makela, O. C. St Cyr, R. J. MacDowall, and M. L. Kaiser. 2010. "Radio-Loud Coronal Mass Ejections without Shocks near Earth." AGU Fall Meeting Abstracts, A7-:

    Xie, H. N., N. Gopalswamy, and O. C. St Cyr. 2009. "Modeling and prediction of fast CME/shocks associated with type II bursts." IAU Symposium, 257: 489-491 [ 10.1017/S1743921309029755]

    Gopalswamy, N., O. C. St Cyr, M. L. Kaiser, and S. Yashiro. 2001. "X-ray Ejecta, White-Light CMEs and a Coronal Shock Wave." Solar Physics, 203: 149-163.

    Gopalswamy, N., M. L. Kaiser, R. J. Macdowall, et al. M. J. Reiner, B. J. Thompson, and O. C. St Cyr. 1999. "Dynamical phenomena associated with a coronal mass ejectionv." American Institute of Physics Conference Series, 471: 641-644 [ 10.1063/1.58816]

    Publications

    Refereed

    Reginald, N. L., J. M. Davila, O. C. St Cyr, and L. Rastaetter. 2014. "Evaluating the Uncertainties in the Electron Temperature and Radial Speed Measurements Using White Light Corona Eclipse Observations." Evaluating the Uncertainties in the Electron Temperature and Radial Speed Measurements Using White Light Corona Eclipse Observations 289 (6): 2021-2039 [Full Text (Link)] [10.1007/s11207-013-0467-5]

    Muller, D., R. G. Marsden, O. C. St Cyr, and H. R. Gilbert. 2013. "Solar Orbiter . Exploring the Sun-Heliosphere Connection." Solar Physics 285 25-70 [10.1007/s11207-012-0085-7]

    Uller, D., R. G. Marsden, and O. C. St Cyr. 2013. "Scientific synergy between Solar Orbiter and other new observatories." Memorie della Societa Astronomica Italiana 84 396-

    Xie, H. N., N. Gopalswamy, and O. C. St cyr. 2013. "Near-Sun Flux-Rope Structure of CMEs." Solar Physics 284 (1): 47-58 [10.1007/s11207-012-0209-0]

    Xie, H. N., O. C. St Cyr, N. Gopalswamy, D. Odstrcil, and H. Cremades. 2013. "Understanding shock dynamics in the inner heliosphere with modeling and type II radio data: A statistical study." J. Geophys. Res. Space Physics 118 (8): 4711-4723 [10.1002/jgra.50444]

    Davis, C. J., J. A. Davies, O. C. St Cyr, et al. M. Campbell-Brown, A. Skelt, M. Kaiser, N. Meyer-Vernet, S. Crothers, C. Lintott, A. Smith, S. Bamford, and E. M. Baeten. 2012. "The distribution of interplanetary dust between 0.96 and 1.04 au s inferred from impacts on the STEREO spacecraft observed by the heliospheric imagers." Monthly Notices of the Royal Astronomical Society 420 1355-1366 [10.1111/j.1365-2966.2011.20125.x]

    Marsden, R., C. P. Escoubet, D. Mueller, and O. C. St Cyr. 2012. "Future science with Solar Orbiter." 39th COSPAR Scientific Assembly 39 1189-

    St Cyr, O. C., N. Murphy, and J. T. VanSant. 2012. "Techniques for Achieving Out-of-Ecliptic Vantage Points." 39th COSPAR Scientific Assembly 39 1887-

    Gopalswamy, N., J. M. Davila, M. L. Kaiser, et al. R. J. Macdowall, O. C. St Cyr, H. N. Xie, P. A. Makela, S. Yashiro, and W. Poomvises. 2012. "A Global View of the Energetic Solar Eruptions during 2012 January 19-27." 39th COSPAR Scientific Assembly 39 652

    Xie, H. N., D. Odstrcil, L. Mays, et al. O. C. St Cyr, N. Gopalswamy, and H. Cremades. 2012. "Understanding shock dynamics in the inner heliosphere with modeling and Type II radio data: The 2010-04-03 event." Journal of Geophysical Research (Space Physics) 117 4105 [ 10.1029/2011JA017304]

    Thompson, W. T., J. M. Davila, O. C. St Cyr, and N. L. Reginald. 2011. "STEREO SECCHI COR1-A/B Intercalibration at 180° Separation." Solar Physics 272 (1): 215-225 [10.1007/s11207-011-9815-5]

    Reginald, N. L., J. M. Davila, O. C. St Cyr, et al. D. M. Rabin, M. Guhathakurta, D. M. Hassler, and H. Gashut. 2011. "Electron Temperatures and Flow Speeds of the Low Solar Corona: MACS Results from the Total Solar Eclipse of 29 March 2006 in Libya." Solar Physics 270 (1): 235-251 [10.1007/s11207-011-9736-3]

    Rouillard, A. P., D. Odstrcil, N. R. Sheeley, et al. A. Tylka, A. Vourlidas, G. Mason, C.-C. Wu, N. P. Savani, B. E. Wood, C. K. Ng, G. Stenborg, A. Szabo, and O. C. St Cyr. 2011. "Interpreting the Properties of Solar Energetic Particle Events by Using Combined Imaging and Modeling of Interplanetary Shocks." The Astrophysical Journal 735 [7-10.1088/0004-637X/735/1/7]

    Mays, M. L., O. C. St Cyr, H. Xie, and D. G. Sibeck. 2011. "Geo-effective Stream Interactions and CMEs in Solar Minimum." AGU Fall Meeting Abstracts A8-

    Cremades, H., F. A. Iglesias, O. C. St Cyr, et al. M. L. Kaiser, H. Xie, and C. A. Quirk. 2011. "A Descriptive-Predictive Model of CME Propagation based on Multi-Instrument Data." AGU Fall Meeting Abstracts 2045-

    Quirk, C. A., O. C. St Cyr, C. Henning, et al. H. Xie, H. R. Gilbert, M. Orlove, N. Gopalswamy, and D. Odstrcil. 2011. "Type II Radio Bursts as an Indicator of CME Location." AGU Fall Meeting Abstracts 2047-

    St Cyr, O. C., M. Orlove, H. Xie, et al. H. R. Gilbert, D. Odstrcil, N. Gopalswamy, M. L. Mays, C. A. Quirk, and C. Henning. 2011. "CME Parameter Input to ENLIL: LASCO halo cone versus STEREO measurements." AGU Fall Meeting Abstracts 2046-

    Xie, H., D. Odstrcil, M. L. Mays, et al. O. C. St Cyr, N. Gopalswamy, and H. Cremades. 2011. "Understanding Shock Dynamics in the Inner Heliosphere with Modeling and Type II Radio Data: the 2010-04-03 event." AGU Fall Meeting Abstracts 2050-

    Reginald, N. L., J. M. Davila, and O. C. St Cyr. 2011. "Technique to Measure the Coronal Electron Temperature and Radial Flow Speed." AGU Fall Meeting Abstracts 2-

    Ierla, M., B. Inhester, A. Antunes, et al. Y. Boursier, J. P. Byrne, R. Colaninno, J. Davila, C. A. de Koning, P. T. Gallagher, S. Gissot, R. A. Howard, T. A. Howard, M. Kramar, P. Lamy, P. C. Liewer, S. Maloney, C. Marque, R. T. McAteer, T. Moran, L. Rodriguez, N. Srivastava, O. C. St Cyr, G. Stenborg, M. Temmer, A. Thernisien, A. Vourlidas, M. J. West, B. E. Wood, and A. N. Zhukov. 2010. "On the 3-D reconstruction of Coronal Mass Ejections using coronagraph data." Annales Geophysicae 28 203-215 [10.5194/angeo-28-203-2010]

    Panchenko, M., H. O. Rucker, M. L. Kaiser, et al. O. C. St Cyr, J.-L. Bougeret, K. Goetz, and S. D. Bale. 2010. "New periodicity in Jovian decametric radio emission." Geophysical Research Letters 37 [5106-10.1029/2010GL042488]

    ONeill, J. F., O. C. St Cyr, L. Mays, et al. N. Gopalswamy, J. C. Raymond, A. Ciaravella, S. Yashiro, H. Xie, S. Giordano, and C. Quirk. 2010. "Statistical Study of Solar Activity Associated with SOHO UVCS Coronal Mass Ejections." AGU Fall Meeting Abstracts 1838-

    Xie, H., L. Mays, O. C. St Cyr, et al. N. Gopalswamy, D. Odstrcil, and H. Cremades. 2010. "Understanding Interplanetary Shock Dynamics in the Inner Heliosphere with New Observations and Modeling Techniques: Case studies on the 2010-04-03 and 2010-08-01 events." AGU Fall Meeting Abstracts 1858-

    St Cyr, O. C., C. Henning, H. Xie, et al. D. Odstrcil, L. Mays, H. Cremades, F. Iglesias, N. Gopalswamy, and M. L. Kaiser. 2010. "Understanding Interplanetary Shock Dynamics in the Inner Heliosphere with New Observations and Modeling Techniques." AGU Fall Meeting Abstracts 1850-

    Mays, M. L., O. C. St Cyr, and D. G. Sibeck. 2010. "The properties of geo-effective CMEs and SIRs in STEREO and THEMIS." AGU Fall Meeting Abstracts 1692-

    Akiyama, S., N. Gopalswamy, H. Xie, et al. S. Yashiro, P. A. Makela, O. C. St Cyr, R. J. MacDowall, and M. L. Kaiser. 2010. "Radio-Loud Coronal Mass Ejections without Shocks near Earth." AGU Fall Meeting Abstracts A7-

    Xie, H. N., N. Gopalswamy, and O. C. St Cyr. 2009. "Modeling and prediction of fast CME/shocks associated with type II bursts." IAU Symposium 257 489-491 [ 10.1017/S1743921309029755]

    Gopalswamy, N., O. C. St Cyr, M. L. Kaiser, and S. Yashiro. 2001. "X-ray Ejecta, White-Light CMEs and a Coronal Shock Wave." Solar Physics 203 149-163

    Gopalswamy, N., M. L. Kaiser, R. J. Macdowall, et al. M. J. Reiner, B. J. Thompson, and O. C. St Cyr. 1999. "Dynamical phenomena associated with a coronal mass ejectionv." American Institute of Physics Conference Series 471 641-644 [ 10.1063/1.58816]

                                                                                                                                                                                            
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