Publications of O. Chris St. Cyr ordered by citations

A list of publications authored or co-authored by O. Chris St. Cyr, derived from the SAO/NASA Astrophysics Data System (ADS) and ordered by the numbers of citations.

Orcid ID: 0000-0001-8906-6097

1728	Sun Earth Connection Coronal and Heliospheric Investigation (SECCHI) Howard, R. A., Moses, J. D., Vourlidas, A., Newmark, J. S., Socker, D. G., Plunkett, S. P., Korendyke, C. M., Cook, J. W., Hurley, A., Davila, J. M., Thompson, W. T., St Cyr, O. C., Mentzell, E., Mehalick, K., Lemen, J. R., Wuelser, J. P., Duncan, D. W., Tarbell, T. D., Wolfson, C. J., Moore, A., Harrison, R. A., Waltham, N. R., Lang, J., Davis, C. J., Eyles, C. J., Mapson-Menard, H., Simnett, G. M., Halain, J. P., Defise, J. M., Mazy, E., Rochus, P., Mercier, R., Ravet, M. F., Delmotte, F., Auchere, F., Delaboudiniere, J. P., Bothmer, V., Deutsch, W., Wang, D., Rich, N., Cooper, S., Stephens, V., Maahs, G., Baugh, R., McMullin, D. & Carter, T., 2008, Space Science Reviews, 136, 67
1612	The STEREO Mission: An Introduction Kaiser, M. L., Kucera, T. A., Davila, J. M., St. Cyr, O. C., Guhathakurta, M. & Christian, E., 2008, Space Science Reviews, 136, 5
965	A catalog of white light coronal mass ejections observed by the SOHO spacecraft Yashiro, S., Gopalswamy, N., Michalek, G., St. Cyr, O. C., Plunkett, S. P., Rich, N. B. & Howard, R. A., 2004, Journal of Geophysical Research (Space Physics), 109, A07105
961	The Solar Orbiter mission. Science overview Müller, D., St. Cyr, O. C., Zouganelis, I., Gilbert, H. R., Marsden, R., Nieves-Chinchilla, T., Antonucci, E., Auchère, F., Berghmans, D., Horbury, T. S., Howard, R. A., Krucker, S., Maksimovic, M., Owen, C. J., Rochus, P., Rodriguez-Pacheco, J., Romoli, M., Solanki, S. K., Bruno, R., Carlsson, M., Fludra, A., Harra, L., Hassler, D. M., Livi, S., Louarn, P., Peter, H., Schühle, U., Teriaca, L., del Toro Iniesta, J. C., Wimmer-Schweingruber, R. F., Marsch, E., Velli, M., De Groof, A., Walsh, A. & Williams, D., 2020, A&A, 642, A1
623	SOHO/EIT observations of an Earth-directed coronal mass ejection on May 12, 1997 Thompson, B. J., Plunkett, S. P., Gurman, J. B., Newmark, J. S., St. Cyr, O. C. & Michels, D. J., 1998, Geophysical Research Letters, 25, 2465
565	Measurements of Flow Speeds in the Corona Between 2 and 30 R☉ Sheeley, N. R., Wang, Y.-M., Hawley, S. H., Brueckner, G. E., Dere, K. P., Howard, R. A., Koomen, M. J., Korendyke, C. M., Michels, D. J., Paswaters, S. E., Socker, D. G., St. Cyr, O. C., Wang, D., Lamy, P. L., Llebaria, A., Schwenn, R., Simnett, G. M., Plunkett, S. & Biesecker, D. A., 1997, ApJ, 484, 472
469	Interplanetary acceleration of coronal mass ejections Gopalswamy, N., Lara, A., Lepping, R. P., Kaiser, M. L., Berdichevsky, D. & St. Cyr, O. C., 2000, Geophysical Research Letters, 27, 145
433	Properties of coronal mass ejections: SOHO LASCO observations from January 1996 to June 1998 St. Cyr, O. C., Plunkett, S. P., Michels, D. J., Paswaters, S. E., Koomen, M. J., Simnett, G. M., Thompson, B. J., Gurman, J. B., Schwenn, R., Webb, D. F., Hildner, E. & Lamy, P. L., 2000, Journal of Geophysical Research, 105, 18169
383	Solar Orbiter. Exploring the Sun-Heliosphere Connection Müller, D., Marsden, R. G., St. Cyr, O. C., Gilbert, H. R. & Solar Orbiter Team, 2013, Solar Physics, 285, 25
339	SOHO/EIT Observations of the 1997 April 7 Coronal Transient: Possible Evidence of Coronal Moreton Waves Thompson, B. J., Gurman, J. B., Neupert, W. M., Newmark, J. S., Delaboudinière, J.-P., Cyr, O. C. St., Stezelberger, S., Dere, K. P., Howard, R. A. & Michels, D. J., 1999, ApJ, 517, L151
245	Evidence of an Erupting Magnetic Flux Rope: LASCO Coronal Mass Ejection of 1997 April 13 Chen, J., Howard, R. A., Brueckner, G. E., Santoro, R., Krall, J., Paswaters, S. E., St. Cyr, O. C., Schwenn, R., Lamy, P. & Simnett, G. M., 1997, ApJ, 490, L191
196	EIT and LASCO Observations of the Initiation of a Coronal Mass Ejection Dere, K. P., Brueckner, G. E., Howard, R. A., Koomen, M. J., Korendyke, C. M., Kreplin, R. W., Michels, D. J., Moses, J. D., Moulton, N. E., Socker, D. G., St. Cyr, O. C., Delaboudinière, J. P., Artzner, G. E., Brunaud, J., Gabriel, A. H., Hochedez, J. F., Millier, F., Song, X. Y., Chauvineau, J. P., Marioge, J. P., Defise, J. M., Jamar, C., Rochus, P., Catura, R. C., Lemen, J. R., Gurman, J. B., Neupert, W., Clette, F., Cugnon, P., Van Dessel, E. L., Lamy, P. L., Llebaria, A., Schwenn, R. & Simnett, G. M., 1997, Solar Physics, 175, 601
183	A comparison of ground-based and spacecraft observations of coronal mass ejections from 1980-1989 St. Cyr, O. C., Burkepile, J. T., Hundhausen, A. J. & Lecinski, A. R., 1999, Journal of Geophysical Research, 104, 12493
182	Observations of Correlated White-Light and Extreme-Ultraviolet Jets from Polar Coronal Holes Wang, Y.-M., Sheeley, N. R., Jr., Socker, D. G., Howard, R. A., Brueckner, G. E., Michels, D. J., Moses, D., St. Cyr, O. C., Llebaria, A. & Delaboudinière, J.-P., 1998, ApJ, 508, 899
176	Coronal mass ejections, interplanetary ejecta and geomagnetic storms Cane, H. V., Richardson, I. G. & St. Cyr, O. C., 2000, Geophysical Research Letters, 27, 3591
174	Successive CMEs and complex ejecta Burlaga, L. F., Plunkett, S. P. & St. Cyr, O. C., 2002, Journal of Geophysical Research (Space Physics), 107, 1266
157	Speeds of coronal mass ejections: SMM observations from 1980 and 1984-1989 Hundhausen, A. J., Burkepile, J. T. & St. Cyr, O. C., 1994, Journal of Geophysical Research, 99, 6543
151	Geomagnetic storms caused by coronal mass ejections (CMEs): March 1996 through June 1997 Brueckner, G. E., Delaboudiniere, J.-P., Howard, R. A., Paswaters, S. E., St. Cyr, O. C., Schwenn, R., Lamy, P., Simnett, G. M., Thompson, B. & Wang, D., 1998, Geophysical Research Letters, 25, 3019
147	X-ray coronal changes during Halo CMEs Hudson, H. S., Lemen, J. R., St. Cyr, O. C., Sterling, A. C. & Webb, D. F., 1998, Geophysical Research Letters, 25, 2481
144	Role of projection effects on solar coronal mass ejection properties: 1. A study of CMEs associated with limb activity Burkepile, J. T., Hundhausen, A. J., Stanger, A. L., St. Cyr, O. C. & Seiden, J. A., 2004, Journal of Geophysical Research (Space Physics), 109, A03103
141	Dust Detection by the Wave Instrument on STEREO: Nanoparticles Picked up by the Solar Wind? Meyer-Vernet, N., Maksimovic, M., Czechowski, A., Mann, I., Zouganelis, I., Goetz, K., Kaiser, M. L., St. Cyr, O. C., Bougeret, J.-L. & Bale, S. D., 2009, Solar Physics, 256, 463
139	Heliospheric Images of the Solar Wind at Earth Sheeley, N. R., Jr., Herbst, A. D., Palatchi, C. A., Wang, Y.-M., Howard, R. A., Moses, J. D., Vourlidas, A., Newmark, J. S., Socker, D. G., Plunkett, S. P., Korendyke, C. M., Burlaga, L. F., Davila, J. M., Thompson, W. T., St. Cyr, O. C., Harrison, R. A., Davis, C. J., Eyles, C. J., Halain, J. P., Wang, D., Rich, N. B., Battams, K., Esfandiari, E. & Stenborg, G., 2008, ApJ, 675, 853
136	On the 3-D reconstruction of Coronal Mass Ejections using coronagraph data Mierla, M., Inhester, B., Antunes, A., Boursier, Y., Byrne, J. P., Colaninno, R., Davila, J., de Koning, C. A., Gallagher, P. T., Gissot, S., Howard, R. A., Howard, T. A., Kramar, M., Lamy, P., Liewer, P. C., Maloney, S., Marqué, C., McAteer, R. T. J., Moran, T., Rodriguez, L., Srivastava, N., St. Cyr, O. C., Stenborg, G., Temmer, M., Thernisien, A., Vourlidas, A., West, M. J., Wood, B. E. & Zhukov, A. N., 2010, Annales Geophysicae, 28, 203
123	Observations of the 24 September 1997 Coronal Flare Waves Thompson, B. J., Reynolds, B., Aurass, H., Gopalswamy, N., Gurman, J. B., Hudson, H. S., Martin, S. F. & St. Cyr, O. C., 2000, Solar Physics, 193, 161
115	Activity Associated with Coronal Mass Ejections at Solar Minimum - Solar Maximum Mission Observations from 1984-1986 St. Cyr, O. C. & Webb, D. F., 1991, Solar Physics, 136, 379
108	The Solar Orbiter Science Activity Plan. Translating solar and heliospheric physics questions into action Zouganelis, I., De Groof, A., Walsh, A. P., Williams, D. R., Müller, D., St Cyr, O. C., Auchère, F., Berghmans, D., Fludra, A., Horbury, T. S., Howard, R. A., Krucker, S., Maksimovic, M., Owen, C. J., Rodríguez-Pacheco, J., Romoli, M., Solanki, S. K., Watson, C., Sanchez, L., Lefort, J., Osuna, P., Gilbert, H. R., Nieves-Chinchilla, T., Abbo, L., Alexandrova, O., Anastasiadis, A., Andretta, V., Antonucci, E., Appourchaux, T., Aran, A., Arge, C. N., Aulanier, G., Baker, D., Bale, S. D., Battaglia, M., Bellot Rubio, L., Bemporad, A., Berthomier, M., Bocchialini, K., Bonnin, X., Brun, A. S., Bruno, R., Buchlin, E., Büchner, J., Bucik, R., Carcaboso, F., Carr, R., Carrasco-Blázquez, I., Cecconi, B., Cernuda Cangas, I., Chen, C. H. K., Chitta, L. P., Chust, T., Dalmasse, K., D'Amicis, R., Da Deppo, V., De Marco, R., Dolei, S., Dolla, L., Dudok de Wit, T., van Driel-Gesztelyi, L., Eastwood, J. P., Espinosa Lara, F., Etesi, L., Fedorov, A., Félix-Redondo, F., Fineschi, S., Fleck, B., Fontaine, D., Fox, N. J., Gandorfer, A., Génot, V., Georgoulis, M. K., Gissot, S., Giunta, A., Gizon, L., Gómez-Herrero, R., Gontikakis, C., Graham, G., Green, L., Grundy, T., Haberreiter, M., Harra, L. K., Hassler, D. M., Hirzberger, J., Ho, G. C., Hurford, G., Innes, D., Issautier, K., James, A. W., Janitzek, N., Janvier, M., Jeffrey, N., Jenkins, J., Khotyaintsev, Y., Klein, K.-L., Kontar, E. P., Kontogiannis, I., Krafft, C., Krasnoselskikh, V., Kretzschmar, M., Labrosse, N., Lagg, A., Landini, F., Lavraud, B., Leon, I., Lepri, S. T., Lewis, G. R., Liewer, P., Linker, J., Livi, S., Long, D. M., Louarn, P., Malandraki, O., Maloney, S., Martinez-Pillet, V., Martinovic, M., Masson, A., Matthews, S., Matteini, L., Meyer-Vernet, N., Moraitis, K., Morton, R. J., Musset, S., Nicolaou, G., Nindos, A., O'Brien, H., Orozco Suarez, D., Owens, M., Pancrazzi, M., Papaioannou, A., Parenti, S., Pariat, E., Patsourakos, S., Perrone, D., Peter, H., Pinto, R. F., Plainaki, C., Plettemeier, D., Plunkett, S. P., Raines, J. M., Raouafi, N., Reid, H., Retino, A., Rezeau, L., Rochus, P., Rodriguez, L., Rodriguez-Garcia, L., Roth, M., Rouillard, A. P., Sahraoui, F., Sasso, C., Schou, J., Schühle, U., Sorriso-Valvo, L., Soucek, J., Spadaro, D., Stangalini, M., Stansby, D., Steller, M., Strugarek, A., Štverák, Š., Susino, R., Telloni, D., Terasa, C., Teriaca, L., Toledo-Redondo, S., del Toro Iniesta, J. C., Tsiropoula, G., Tsounis, A., Tziotziou, K., Valentini, F., Vaivads, A., Vecchio, A., Velli, M., Verbeeck, C., Verdini, A., Verscharen, D., Vilmer, N., Vourlidas, A., Wicks, R., Wimmer-Schweingruber, R. F., Wiegelmann, T., Young, P. R. & Zhukov, A. N., 2020, A&A, 642, A3
100	Interpreting the Properties of Solar Energetic Particle Events by Using Combined Imaging and Modeling of Interplanetary Shocks Rouillard, A. P., Odstřcil, D., Sheeley, N. R., Tylka, A., Vourlidas, A., Mason, G., Wu, C.-C., Savani, N. P., Wood, B. E., Ng, C. K., Stenborg, G., Szabo, A. & St. Cyr, O. C., 2011, ApJ, 735, 7
99	SOHO and radio observations of a CME shock wave Raymond, John C., Thompson, Barbara J., St. Cyr, O. C., Gopalswamy, Nat, Kahler, S., Kaiser, M., Lara, A., Ciaravella, A., Romoli, M. & O'Neal, R., 2000, Geophysical Research Letters, 27, 1439
96	LASCO observations of an Earth-directed coronal mass ejection on May 12, 1997 Plunkett, S. P., Thompson, B. J., Howard, R. A., Michels, D. J., St. Cyr, O. C., Tappin, S. J., Schwenn, R. & Lamy, P. L., 1998, Geophysical Research Letters, 25, 2477
94	Constraints on Coronal Mass Ejection Dynamics from Simultaneous Radio and White-Light Observations Reiner, M. J., Vourlidas, A., Cyr, O. C. St., Burkepile, J. T., Howard, R. A., Kaiser, M. L., Prestage, N. P. & Bougeret, J.-L., 2003, ApJ, 590, 533
88	First View of the Extended Green-Line Emission Corona At Solar Activity Minimum Using the Lasco-C1 Coronagraph on SOHO Schwenn, R., Inhester, B., Plunkett, S. P., Epple, A., Podlipnik, B., Bedford, D. K., Eyles, C. J., Simnett, G. M., Tappin, S. J., Bout, M. V., Lamy, P. L., Llebaria, A., Brueckner, G. E., Dere, K. P., Howard, R. A., Koomen, M. J., Korendyke, C. M., Michels, D. J., Moses, J. D., Moulton, N. E., Paswaters, S. E., Socker, D. G., St. Cyr, O. C. & Wang, D., 1997, Solar Physics, 175, 667
86	A Quick Method for Estimating the Propagation Direction of Coronal Mass Ejections Using STEREO-COR1 Images Mierla, M., Davila, J., Thompson, W., Inhester, B., Srivastava, N., Kramar, M., St. Cyr, O. C., Stenborg, G. & Howard, R. A., 2008, Solar Physics, 252, 385
83	Models and data analysis tools for the Solar Orbiter mission Rouillard, A. P., Pinto, R. F., Vourlidas, A., De Groof, A., Thompson, W. T., Bemporad, A., Dolei, S., Indurain, M., Buchlin, E., Sasso, C., Spadaro, D., Dalmasse, K., Hirzberger, J., Zouganelis, I., Strugarek, A., Brun, A. S., Alexandre, M., Berghmans, D., Raouafi, N. E., Wiegelmann, T., Pagano, P., Arge, C. N., Nieves-Chinchilla, T., Lavarra, M., Poirier, N., Amari, T., Aran, A., Andretta, V., Antonucci, E., Anastasiadis, A., Auchère, F., Bellot Rubio, L., Nicula, B., Bonnin, X., Bouchemit, M., Budnik, E., Caminade, S., Cecconi, B., Carlyle, J., Cernuda, I., Davila, J. M., Etesi, L., Espinosa Lara, F., Fedorov, A., Fineschi, S., Fludra, A., Génot, V., Georgoulis, M. K., Gilbert, H. R., Giunta, A., Gomez-Herrero, R., Guest, S., Haberreiter, M., Hassler, D., Henney, C. J., Howard, R. A., Horbury, T. S., Janvier, M., Jones, S. I., Kozarev, K., Kraaikamp, E., Kouloumvakos, A., Krucker, S., Lagg, A., Linker, J., Lavraud, B., Louarn, P., Maksimovic, M., Maloney, S., Mann, G., Masson, A., Müller, D., Önel, H., Osuna, P., Orozco Suarez, D., Owen, C. J., Papaioannou, A., Pérez-Suárez, D., Rodriguez-Pacheco, J., Parenti, S., Pariat, E., Peter, H., Plunkett, S., Pomoell, J., Raines, J. M., Riethmüller, T. L., Rich, N., Rodriguez, L., Romoli, M., Sanchez, L., Solanki, S. K., St Cyr, O. C., Straus, T., Susino, R., Teriaca, L., del Toro Iniesta, J. C., Ventura, R., Verbeeck, C., Vilmer, N., Warmuth, A., Walsh, A. P., Watson, C., Williams, D., Wu, Y. & Zhukov, A. N., 2020, A&A, 642, A2
83	Sungrazing Comets Discovered with the SOHO/LASCO Coronagraphs 1996-1998 Biesecker, D. A., Lamy, P., St. Cyr, O. C., Llebaria, A. & Howard, R. A., 2002, Icarus, 157, 323
79	The Solar Orbiter Heliospheric Imager (SoloHI) Howard, R. A., Vourlidas, A., Colaninno, R. C., Korendyke, C. M., Plunkett, S. P., Carter, M. T., Wang, D., Rich, N., Lynch, S., Thurn, A., Socker, D. G., Thernisien, A. F., Chua, D., Linton, M. G., Koss, S., Tun-Beltran, S., Dennison, H., Stenborg, G., McMullin, D. R., Hunt, T., Baugh, R., Clifford, G., Keller, D., Janesick, J. R., Tower, J., Grygon, M., Farkas, R., Hagood, R., Eisenhauer, K., Uhl, A., Yerushalmi, S., Smith, L., Liewer, P. C., Velli, M. C., Linker, J., Bothmer, V., Rochus, P., Halain, J.-P., Lamy, P. L., Auchère, F., Harrison, R. A., Rouillard, A., Patsourakos, S., St. Cyr, O. C., Gilbert, H., Maldonado, H., Mariano, C. & Cerullo, J., 2020, A&A, 642, A13
72	Coronagraph observations of inflows during high solar activity Wang, Y.-M., Sheeley, N. R., Jr., Howard, R. A., Cyr, O. C. St. & Simnett, G. M., 1999, Geophysical Research Letters, 26, 1203
67	The solar origin of the January 1997 coronal mass ejection, magnetic cloud and geomagnetic storm Webb, D. F., Cliver, E. W., Gopalswamy, N., Hudson, H. S. & St. Cyr, O. C., 1998, Geophysical Research Letters, 25, 2469
63	Conservation of open solar magnetic flux and the floor in the heliospheric magnetic field Owens, M. J., Crooker, N. U., Schwadron, N. A., Horbury, T. S., Yashiro, S., Xie, H., St. Cyr, O. C. & Gopalswamy, N., 2008, Geophysical Research Letters, 35, L20108
63	SECCHI Observations of the Sun's Garden-Hose Density Spiral Sheeley, N. R., Jr., Herbst, A. D., Palatchi, C. A., Wang, Y.-M., Howard, R. A., Moses, J. D., Vourlidas, A., Newmark, J. S., Socker, D. G., Plunkett, S. P., Korendyke, C. M., Burlaga, L. F., Davila, J. M., Thompson, W. T., St. Cyr, O. C., Harrison, R. A., Davis, C. J., Eyles, C. J., Halain, J. P., Wang, D., Rich, N. B., Battams, K., Esfandiari, E. & Stenborg, G., 2008, ApJ, 674, L109
62	Solar source regions of coronal mass ejections and their geomagnetic effects Plunkett, S. P., Thompson, B. J., St. Cyr, O. C. & Howard, R. A., 2001, Journal of Atmospheric and Solar-Terrestrial Physics, 63, 389
57	Flux-Rope Coronal Mass Ejection Geometry and Its Relation to Observed Morphology Krall, J. & St. Cyr, O. C., 2006, ApJ, 652, 1740
54	Earth-Affecting Solar Causes Observatory (EASCO): A potential International Living with a Star Mission from Sun-Earth L5 Gopalswamy, N., Davila, J. M., St. Cyr, O. C., Sittler, E. C., Auchère, F., Duvall, T. L., Hoeksema, J. T., Maksimovic, M., MacDowall, R. J., Szabo, A. & Collier, M. R., 2011, Journal of Atmospheric and Solar-Terrestrial Physics, 73, 658
52	Type II radio emissions in the frequency range from 1-14 MHz associated with the April 7, 1997 solar event Kaiser, M. L., Reiner, M. J., Gopalswamy, N., Howard, R. A., St. Cyr, O. C., Thompson, B. J. & Bougeret, J.-L., 1998, Geophysical Research Letters, 25, 2501
49	Sungrazing comets observed by the solar maximum mission coronagraph MacQueen, R. M. & St. Cyr, O. C., 1991, Icarus, 90, 96
46	Understanding the origins of the heliosphere: integrating observations and measurements from Parker Solar Probe, Solar Orbiter, and other space- and ground-based observatories Velli, M., Harra, L. K., Vourlidas, A., Schwadron, N., Panasenco, O., Liewer, P. C., Müller, D., Zouganelis, I., St Cyr, O. C., Gilbert, H., Nieves-Chinchilla, T., Auchère, F., Berghmans, D., Fludra, A., Horbury, T. S., Howard, R. A., Krucker, S., Maksimovic, M., Owen, C. J., Rodríguez-Pacheco, J., Romoli, M., Solanki, S. K., Wimmer-Schweingruber, R. F., Bale, S., Kasper, J., McComas, D. J., Raouafi, N., Martinez-Pillet, V., Walsh, A. P., De Groof, A. & Williams, D., 2020, A&A, 642, A4
45	The Relationship of Green-Line Transients to White-Light Coronal Mass Ejections Plunkett, S. P., Brueckner, G. E., Dere, K. P., Howard, R. A., Koomen, M. J., Korendyke, C. M., Michels, D. J., Moses, J. D., Moulton, N. E., Paswaters, S. E., St. Cyr, O. C., Socker, D. G., Wang, D., Simnett, G. M., Bedford, D. K., Biesecker, D. A., Eyles, C. J., Tappin, S. J., Schwenn, R., Lamy, P. L. & Llebaria, A., 1997, Solar Physics, 175, 699
45	LASCO Observations of Disconnected Magnetic Structures Out to Beyond 28 Solar Radii During Coronal Mass Ejections Simnett, G. M., Tappin, S. J., Plunkett, S. P., Bedford, D. K., Eyles, C. J., St. Cyr, O. C., Howard, R. A., Brueckner, G. E., Michels, D. J., Moses, J. D., Socker, D., Dere, K. P., Korendyke, C. M., Paswaters, S. E., Wang, D., Schwenn, R., Lamy, P., Llebaria, A. & Bout, M. V., 1997, Solar Physics, 175, 685
45	Properties of high-latitude CME-driven disturbances during Ulysses second northern polar passage Reisenfeld, D. B., Gosling, J. T., Forsyth, R. J., Riley, P. & St. Cyr, O. C., 2003, Geophysical Research Letters, 30, 8031
43	Observations of CMEs from SOHO/LASCO Howard, R. A., Brueckner, G. E., St. Cyr, O. C., Biesecker, D. A., Dere, K. P., Koomen, M. J., Korendyke, C. M., Lamy, P. L., Llebaria, A., Bout, M. V., Michels, D. J., Moses, J. D., Paswaters, S. E., Plunkett, S. P., Schwenn, R., Simnett, G. M., Socker, D. G., Tappin, S. J. & Wang, D., 1997, Geophysical Monograph Series, 99, 17
43	Near-Sun Flux-Rope Structure of CMEs Xie, H., Gopalswamy, N. & St. Cyr, O. C., 2013, Solar Physics, 284, 47
39	On the Origin, 3D Structure and Dynamic Evolution of CMEs Near Solar Minimum Xie, H., St. Cyr, O. C., Gopalswamy, N., Yashiro, S., Krall, J., Kramar, M. & Davila, J., 2009, Solar Physics, 259, 143
37	A Multi-Purpose Heliophysics L4 Mission Posner, A., Arge, C. N., Staub, J., StCyr, O. C., Folta, D., Solanki, S. K., Strauss, R. D. T., Effenberger, F., Gandorfer, A., Heber, B., Henney, C. J., Hirzberger, J., Jones, S. I., Kühl, P., Malandraki, O. & Sterken, V. J., 2021, Space Weather, 19, e02777
37	Coordination within the remote sensing payload on the Solar Orbiter mission Auchère, F., Andretta, V., Antonucci, E., Bach, N., Battaglia, M., Bemporad, A., Berghmans, D., Buchlin, E., Caminade, S., Carlsson, M., Carlyle, J., Cerullo, J. J., Chamberlin, P. C., Colaninno, R. C., Davila, J. M., De Groof, A., Etesi, L., Fahmy, S., Fineschi, S., Fludra, A., Gilbert, H. R., Giunta, A., Grundy, T., Haberreiter, M., Harra, L. K., Hassler, D. M., Hirzberger, J., Howard, R. A., Hurford, G., Kleint, L., Kolleck, M., Krucker, S., Lagg, A., Landini, F., Long, D. M., Lefort, J., Lodiot, S., Mampaey, B., Maloney, S., Marliani, F., Martinez-Pillet, V., McMullin, D. R., Müller, D., Nicolini, G., Orozco Suarez, D., Pacros, A., Pancrazzi, M., Parenti, S., Peter, H., Philippon, A., Plunkett, S., Rich, N., Rochus, P., Rouillard, A., Romoli, M., Sanchez, L., Schühle, U., Sidher, S., Solanki, S. K., Spadaro, D., St Cyr, O. C., Straus, T., Tanco, I., Teriaca, L., Thompson, W. T., del Toro Iniesta, J. C., Verbeeck, C., Vourlidas, A., Watson, C., Wiegelmann, T., Williams, D., Woch, J., Zhukov, A. N. & Zouganelis, I., 2020, A&A, 642, A6
36	Background Subtraction for the SECCHI/COR1 Telescope Aboard STEREO Thompson, W. T., Wei, K., Burkepile, J. T., Davila, J. M. & St. Cyr, O. C., 2010, Solar Physics, 262, 213
33	The interplanetary events of January-May, 1997 as inferred from energetic particle data, and their relationship with solar events Cane, H. V., Richardson, I. G. & St Cyr, O. C., 1998, Geophysical Research Letters, 25, 2517
31	Solar energetic particle warnings from a coronagraph St. Cyr, O. C., Posner, A. & Burkepile, J. T., 2017, Space Weather, 15, 240
31	Coronal mass ejections: Solar cycle aspects Cremades, Hebe & St. Cyr, O. C., 2007, Advances in Space Research, 40, 1042
29	Multialtitude Observations of a Coronal Jet during the Third Whole Sun Month Campaign Ko, Y.-K., Raymond, J. C., Gibson, S. E., Alexander, D., Strachan, L., Holzer, T., Gilbert, H., Cyr, O. C. St., Thompson, B. J., Pike, C. D., Mason, H. E., Burkepile, J., Thompson, W. & Fletcher, L., 2005, ApJ, 623, 519
28	Direct First Parker Solar Probe Observation of the Interaction of Two Successive Interplanetary Coronal Mass Ejections in 2020 November Nieves-Chinchilla, Teresa, Alzate, Nathalia, Cremades, Hebe, Rodríguez-García, Laura, Dos Santos, Luiz F. G., Narock, Ayris, Xie, Hong, Szabo, Adam, Palmerio, Erika, Krupar, Vratislav, Pulupa, Marc, Lario, David, Stevens, Michael L., Wilson, Lynn B., Kwon, Ryun-Young, Mays, M. Leila, St. Cyr, O. Chris, Hess, Phillip, Reeves, Katharine K., Seaton, Daniel B., Niembro, Tatiana, Bale, Stuart D. & Kasper, Justin C., 2022, ApJ, 930, 88
27	On the Expansion Speed of Coronal Mass Ejections: Implications for Self-Similar Evolution Balmaceda, L. A., Vourlidas, A., Stenborg, G. & St. Cyr, O. C., 2020, Solar Physics, 295, 107
27	Statistical Study on Multispacecraft Widespread Solar Energetic Particle Events During Solar Cycle 24 Xie, H., St. Cyr, O. C., Mäkelä, P. & Gopalswamy, N., 2019, Journal of Geophysical Research (Space Physics), 124, 6384
27	Improved input to the empirical coronal mass ejection (CME) driven shock arrival model from CME cone models Xie, H., Gopalswamy, N., Ofman, L., St. Cyr, O. C., Michalek, G., Lara, A. & Yashiro, S., 2006, Space Weather, 4, S10002
27	STEREO SECCHI and S/WAVES Observations of Spacecraft Debris Caused by Micron-Size Interplanetary Dust Impacts St. Cyr, O. C., Kaiser, M. L., Meyer-Vernet, N., Howard, R. A., Harrison, R. A., Bale, S. D., Thompson, W. T., Goetz, K., Maksimovic, M., Bougeret, J.-L., Wang, D. & Crothers, S., 2009, Solar Physics, 256, 475
26	Low-Frequency Type-II Radio Detections and Coronagraph Data Employed to Describe and Forecast the Propagation of 71 CMEs/Shocks Cremades, H., Iglesias, F. A., St. Cyr, O. C., Xie, H., Kaiser, M. L. & Gopalswamy, N., 2015, Solar Physics, 290, 2455
26	STEREO Space Weather and the Space Weather Beacon Biesecker, D. A., Webb, D. F. & St. Cyr, O. C., 2008, Space Science Reviews, 136, 45
25	Effects of solar wind dynamic pressure and preconditioning on large geomagnetic storms Xie, H., Gopalswamy, N., St. Cyr, O. C. & Yashiro, S., 2008, Geophysical Research Letters, 35, L06S08
23	Solar activity and economic fundamentals: Evidence from 12 geographically disparate power grids Forbes, Kevin F. & St. Cyr, O. C., 2008, Space Weather, 6, S10003
23	The solar sources of geoeffective structures Webb, D. F., Crooker, N. U., Plunkett, S. P. & St. Cyr, O. C., 2001, Geophysical Monograph Series, 125, 123
22	Combined Ulysses solar wind and SOHO coronal observations of several west limb coronal mass ejections Funsten, H. O., Gosling, J. T., Riley, P., Cyr, O. C. St., Forsyth, R. J., Howard, R. A. & Schwenn, R., 1999, Journal of Geophysical Research, 104, 6679
21	New insights on the onsets of coronal mass ejections from soho Plunkett, S. P., Michels, D. J., Howard, R. A., Brueckner, G. E., St. Cyr, O. C., Thompson, B. J., Simnett, G. M., Schwenn, R. & Lamy, P., 2002, Advances in Space Research, 29, 1473
21	A tool to improve space weather forecasts: Kilometric radio emissions from Wind/WAVES Cremades, H., St. Cyr, O. C. & Kaiser, M. L., 2007, Space Weather, 5, S08001
20	Electron-Temperature Maps of the Low Solar Corona: ISCORE Results from the Total Solar Eclipse of 29 March 2006 in Libya Reginald, Nelson L., St. Cyr, O. C., Davila, Joseph M., Rabin, Douglas M., Guhathakurta, Madhulika & Hassler, Donald M., 2009, Solar Physics, 260, 347
19	Electron Temperature and Speed Measurements in the Low Solar Corona: Results From the 2001 June Eclipse Reginald, Nelson L., Cyr, O. C. St., Davila, Joseph M. & Brosius, Jeffrey W., 2003, ApJ, 599, 596
19	Understanding shock dynamics in the inner heliosphere with modeling and Type II radio data: The 2010-04-03 event Xie, H., Odstrcil, D., Mays, L., St. Cyr, O. C., Gopalswamy, N. & Cremades, H., 2012, Journal of Geophysical Research (Space Physics), 117, A04105
19	Europe's next mission to the Sun Müller, D., Zouganelis, I., St. Cyr, O. C., Gilbert, H. R. & Nieves-Chinchilla, T., 2020, Nature Astronomy, 4, 205
19	Coordination of the in situ payload of Solar Orbiter Walsh, A. P., Horbury, T. S., Maksimovic, M., Owen, C. J., Rodríguez-Pacheco, J., Wimmer-Schweingruber, R. F., Zouganelis, I., Anekallu, C., Bonnin, X., Bruno, R., Carrasco Blázquez, I., Cernuda, I., Chust, T., De Groof, A., Espinosa Lara, F., Fazakerley, A. N., Gilbert, H. R., Gómez-Herrero, R., Ho, G. C., Krucker, S., Lepri, S. T., Lewis, G. R., Livi, S., Louarn, P., Müller, D., Nieves-Chinchilla, T., O'Brien, H., Osuna, P., Plasson, P., Raines, J. M., Rouillard, A. P., St Cyr, O. C., Sánchez, L., Soucek, J., Varsani, A., Verscharen, D., Watson, C. J., Watson, G. & Williams, D. R., 2020, A&A, 642, A5
18	The distribution of interplanetary dust between 0.96 and 1.04 au as inferred from impacts on the STEREO spacecraft observed by the heliospheric imagers Davis, C. J., Davies, J. A., St Cyr, O. C., Campbell-Brown, M., Skelt, A., Kaiser, M., Meyer-Vernet, Nicole, Crothers, S., Lintott, C., Smith, A., Bamford, S. & Baeten, E. M. L., 2012, MNRAS, 420, 1355
18	First VLA Observations of Nonthermal Metric Bursts Associated with Coronal Mass Ejections Detected by the Solar and Heliospheric Observatory Willson, R. F., Redfield, S. L., Lang, K. R., Thompson, B. J. & St. Cyr, O. C., 1998, ApJ, 504, L117
18	Ultraviolet and Optical Observations of a Coronal Transient with SOHO Ciaravella, A., Raymond, J. C., Strachan, L., Thompson, B. J., Cyr, O. C. St., Gardner, L., Modigliani, A., Antonucci, E., Kohl, J. & Noci, G., 1999, ApJ, 510, 1053
16	Energy dependence of SEP electron and proton onset times Xie, H., Mäkelä, P., Gopalswamy, N. & St. Cyr, O. C., 2016, Journal of Geophysical Research (Space Physics), 121, 6168
16	Earthward directed CMEs seen in large-scale coronal magnetic field changes, SOHO LASCO coronagraph and solar wind Li, Yan, Luhmann, Janet G., Mulligan, T., Hoeksema, J. Todd, Arge, C. Nick, Plunkett, S. P. & Cyr, O. C. St., 2001, Journal of Geophysical Research, 106, 25103
16	Three-dimensional coronal density structure: 1. Model Gibson, S. E., Foster, D. J., Guhathakurta, M., Holzer, T. & St. Cyr, O. C., 2003, Journal of Geophysical Research (Space Physics), 108, 1444
15	A relation between dynamics of coronal mass ejections and production of solar energetic particles Kocharov, L., Torsti, J., St. Cyr, O. C. & Huhtanen, T., 2001, A&A, 370, 1064
15	Is There a CME Rate Floor? CME and Magnetic Flux Values for the Last Four Solar Cycle Minima Webb, D. F., Howard, R. A., St. Cyr, O. C. & Vourlidas, A., 2017, ApJ, 851, 142
15	Comparison of the coronal mass ejection shock acceleration of three widespread SEP events during solar cycle 24 Xie, H., Mäkelä, P., St. Cyr, O. C. & Gopalswamy, N., 2017, Journal of Geophysical Research (Space Physics), 122, 7021
15	Space weather and the electricity market: An initial assessment Forbes, Kevin F. & St. Cyr, O. C., 2004, Space Weather, 2, 10003
13	Space Weather Diamond: a four spacecraft monitoring system Cyr, O. C. S., Mesarch, M. A., Maldonado, H. M., Folta, D. C., Harper, A. D., Davila, J. M. & Fisher, R. R., 2000, Journal of Atmospheric and Solar-Terrestrial Physics, 62, 1251
13	X-ray Ejecta, White-Light CMEs and a Coronal Shock Wave Gopalswamy, N., Cyr, O. C. St., Kaiser, M. L. & Yashiro, S., 2001, Solar Physics, 203, 149
12	Fast and Wide CMEs without Observed >20 MeV Protons Lario, D., Kwon, R. Y., Balmaceda, L., Richardson, I. G., Krupar, V., Thompson, B. J., Cyr, O. C. St, Zhao, L. & Zhang, M., 2020, ApJ, 889, 92
11	SOHO Ground Segment, Science Operations, and Data Products St. Cyr, O. C., Sánchez-Duarte, L., Martens, P. C. H., Gurman, J. B. & Larduinat, E., 1995, Solar Physics, 162, 39
11	CME flux rope and shock identifications and locations: Comparison of white light data, Graduated Cylindrical Shell model, and MHD simulations Schmidt, J. M., Cairns, Iver H., Xie, Hong, St. Cyr, O. C. & Gopalswamy, N., 2016, Journal of Geophysical Research (Space Physics), 121, 1886
11	Evaluating Uncertainties in Coronal Electron Temperature and Radial Speed Measurements Using a Simulation of the Bastille Day Eruption Reginald, Nelson, St. Cyr, Orville, Davila, Joseph, Rastaetter, Lutz & Török, Tibor, 2018, Solar Physics, 293, 82
11	Electron Temperatures and Flow Speeds of the Low Solar Corona: MACS Results from the Total Solar Eclipse of 29 March 2006 in Libya Reginald, Nelson L., Davila, Joseph M., St. Cyr, O. C., Rabin, Douglas M., Guhathakurta, Madhulika, Hassler, Donald M. & Gashut, Hadi, 2011, Solar Physics, 270, 235
10	An anatomy of space weather's electricity market impact: Case of the PJM power grid and the performance of its 500 kV transformers Forbes, Kevin F. & St. Cyr, O. C., 2010, Space Weather, 8, 09004
10	Did geomagnetic activity challenge electric power reliability during solar cycle 23? Evidence from the PJM regional transmission organization in North America Forbes, Kevin F. & St. Cyr, O. C., 2012, Space Weather, 10, 05001
10	STEREO Ground Segment, Science Operations, and Data Archive Eichstedt, J., Thompson, W. T. & St. Cyr, O. C., 2008, Space Science Reviews, 136, 605
10	MLSO Mark III K-Coronameter Observations of the CME Rate from 1989 - 1996 St. Cyr, O. C., Flint, Q. A., Xie, H., Webb, D. F., Burkepile, J. T., Lecinski, A. R., Quirk, C. & Stanger, A. L., 2015, Solar Physics, 290, 2951
10	Automatic Near-Real-Time Detection of CMEs in Mauna Loa K-Cor Coronagraph Images Thompson, W. T., St. Cyr, O. C., Burkepile, J. T. & Posner, A., 2017, Space Weather, 15, 1288
10	Understanding shock dynamics in the inner heliosphere with modeling and type II radio data: A statistical study Xie, H., St. Cyr, O. C., Gopalswamy, N., Odstrcil, D. & Cremades, H., 2013, Journal of Geophysical Research (Space Physics), 118, 4711
9	Evaluating the Uncertainties in the Electron Temperature and Radial Speed Measurements Using White Light Corona Eclipse Observations Reginald, Nelson L., Davila, Joseph M., St. Cyr, O. C. & Rastaetter, Lutz, 2014, Solar Physics, 289, 2021
9	An unusually fast interplanetary coronal mass ejection observed by Ulysses at 5 AU on 15 November 2003 de Koning, Curt A., Steinberg, John T., Gosling, J. T., Reisenfeld, Daniel B., Skoug, Ruth M., St. Cyr, O. C., Malayeri, M. L., Balogh, André, Rees, Adam & McComas, D. J., 2005, Journal of Geophysical Research (Space Physics), 110, A01102
9	New periodicity in Jovian decametric radio emission Panchenko, M., Rucker, H. O., Kaiser, M. L., St. Cyr, O. C., Bougeret, J.-L., Goetz, K. & Bale, S. D., 2010, Geophysical Research Letters, 37, L05106
9	The Effects of Streamers on the Shape of the K-Coronal Spectrum Reginald, Nelson L., Davila, Joseph M. & Cyr, O. C. St., 2004, Solar Physics, 225, 249
9	The main pillar: Assessment of space weather observational asset performance supporting nowcasting, forecasting, and research to operations Posner, A., Hesse, M. & St. Cyr, O. C., 2014, Space Weather, 12, 257
8	The correspondence of EUV and white light observations of coronal mass ejections with SOHO EIT and LASCO Thompson, B. J., St. Cyr, O. C., Plunkett, S. P., Gurman, J. B., Gopalswamy, N., Hudson, H. S., Howard, R. A., Michels, D. J. & Delaboudinière, J.-P., 1999, Geophysical Monograph Series, 109, 31
6	Detection of fast nanoparticles in the solar wind Meyer-Vernet, N., Czechowski, A., Mann, I., Maksimovic, M., Lecacheux, A., Goetz, K., Kaiser, M. L., Cyr, O. C. St., Bale, S. D. & Le Chat, G., 2010, Twelfth International Solar Wind Conference (Editors: Maksimovic, M., Issautier, K., Meyer-Vernet, N., Moncuquet, M. & Pantellini, F.), American Institute of Physics Conference Series, 1216, p. 502
6	The Coronal Mass Ejection Visibility Function of Modern Coronagraphs Vourlidas, Angelos, Balmaceda, L. A., Xie, H. & St. Cyr, O. C., 2020, ApJ, 900, 161
6	Electron temperature maps of the low solar corona: ISCORE results from the total solar eclipse of 1 August 2008 in China Reginald, Nelson L., Davila, Joseph M., St. Cyr, Orville C. & Rabin, Douglas M., 2017, Journal of Geophysical Research (Space Physics), 122, 5856
5	Nonthermal Radio Emission Associated with a Coronal Disconnection Event Gopalswamy, N., Kundu, M. R. & St. Cyr, O. C., 1994, ApJ, 424, L135
5	STEREO SECCHI COR1-A/B Intercalibration at 180° Separation Thompson, W. T., Davila, J. M., St. Cyr, O. C. & Reginald, N. L., 2011, Solar Physics, 272, 215
3	The STEREO space weather broadcast St. Cyr, O. C. & Davila, J. M., 2001, Geophysical Monograph Series, 125, 205
3	The Impact of Coronagraphs St. Cyr, O. C., Fleck, B. & Davila, J. M., 2014, EOS Transactions, 95, 369
3	The Challenge Posed by Space Weather to High-Voltage Electricity Flows: Evidence From Ontario, Canada, and New York State, USA Forbes, Kevin F. & St. Cyr, O. C., 2019, Space Weather, 17, 1720
2	Energetic Neutral Atoms Detected in the 2022 February 15 Solar Energetic Particle Event Cohen, C. M. S., Leske, R. A., St. Cyr, O. C. & Mason, G. M., 2024, ApJ, 966, L19
2	The Challenge Posed by Geomagnetic Activity to Electric Power Reliability: Evidence From England and Wales Forbes, Kevin F. & St. Cyr, O. C., 2017, Space Weather, 15, 1413
2	Solar Energetic-Particle-Associated Coronal Mass Ejections Observed by the Mauna Loa Solar Observatory Mk3 and Mk4 Coronameters Richardson, I. G., St. Cyr, O. C., Burkepile, J. T., Xie, H. & Thompson, B. J., 2023, Solar Physics, 298, 105
1	An Attempt to Detect Coronal Mass Ejections in Lyman-α Using SOHO Swan Mays, M. L., St. Cyr, O. C., Quémerais, E., Ferron, S., Bertaux, J.-L., Yashiro, S. & Howard, R., 2007, Solar Physics, 241, 113
1	Archival period study of the eclipsing binary KT Hydrae. St. Cyr, O. C. & St. Cyr, S. B., 1986, The Astronomical Journal, 91, 416
1	Reply to comment by John G. Kappenman on "Space weather and the electricity market: An initial assessment" Forbes, Kevin F. & St. Cyr, O. C., 2006, Space Weather, 4, 09003
1	Solar and Heliospheric Observatory (SOHO) (1995) Fleck, B. & St. Cyr, O. C., 2015, Handbook of Cosmic Hazards and Planetary Defense (Editors: Pelton, Joseph N. & Allahdadi, Firooz), p.159
0	Architecture of the "Mound Builders" A Review of: Prehistoric Architecture in the Eastern United States by William N. Morgan St. Cyr, O. C., 1986, Archaeoastronomy, 9, 160
0	Space Weather Diamond: A 10x Improvement in Real-Time Forecasting St Cyr, O. C., Davila, J. M. & Newmark, J., 2018, Deep Space Gateway Concept Science Workshop (Editors: LPI Editorial Board), LPI Contributions, 2063, p. 3057