Christine Clement's Research

• Research Interests
  
  
• Catalogue of Variable Stars in Globular Clusters
  
  
• International Year of Astronomy IYA 2009
  
  
• Papers in Refereed Journals (since 2000)
  
• Other Research Contributions (since 2000)
  
  
  
• Papers in Refereed Journals (1990-1999)
  
• Other Research Contributions (1990-1999)
  

Research Interests

• Most of my research activity involves the study of variable stars in globular clusters. I am currently working on an update to the Catalogue of Variable Stars in Galactic Globular Clusters.
  

Catalogue of Variable Stars in Globular Clusters

I have prepared an update to the Catalogue of Variable Stars in Globular Clusters published by Helen Sawyer Hogg (1973, Publications of the David Dunlap Observatory, Volume 3, No. 6). The current version of the catalogue is available in ascii files - one file for each cluster.


• To obtain information about the catalogue
  
  
• To obtain the catalogue
  
  
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Papers in Refereed Journals (since 2000)

• Clement, C. M., Xu, X. and Muzzin, A.V. 2008, The Distance of the First Overtone RR Lyrae Variables in the MACHO LMC Database: A New Method to Correct for the Effects of Crowding Astronomical Journal, 135, 83-91
  
  
• Clement, C. M. and Thompson, M. 2007, The Pulsation of the Double-Mode RR Lyrae Variable V79 in M3, Journal of the American Association of Variable Star Observers, 35, 336-342
  
  
• Alcock & the MACHO collaboration (paper written by Clement, Muzzin & Alves) 2004, The MACHO Project Large Magellanic Cloud Variable Star Inventory. XIII. Fourier Parameters for the First Overtone RR Lyrae Stars and the LMC Distance Astronomical Journal, 127, 334-354
  
  
• Clement, C. M., Muzzin, A., Dufton, Q., Ponnanpalam, T., Wang, J., Burford, J., Richardson, A., Rosebery, T., Rowe, J. and Sawyer Hogg, H. 2001, Variable Stars in Galactic Globular Clusters, Astronomical Journal, 122, 2587-2599
  
  
• Clement, C. M. and Rowe, J. 2001, CCD Observations of the RR Lyrae Variables in the Globular Cluster NGC 5897, Astronomical Journal, 122, 1464-1468
  
  
• Jurcsik, J., Clement, C., Geyer, E. H. and Domsa, I. 2001, Period Changes in Omega Centauri RR Lyrae Stars, Astronomical Journal, 121, 951-973
  
  
• Clement, C. M. and Rowe, J. 2000, The Globular Cluster Omega Centauri and the Origin of the Oosterhoff Dichotomy, Astronomical Journal, 120, 2579-2593
  
  
• Alcock & the MACHO collaboration (paper written by Kovacs) 2000, The MACHO Project LMC Variable Star Inventory. IX. Frequency Analysis of the First Overtone RR Lyrae Stars and the Indication for Nonradial Pulsations, Astrophysical Journal, 542, 257-280
  
  
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Papers in Refereed Journals (1990-1999)

• Clement, C. M. and Shelton, I. 1999, The RR Lyrae Period-Amplitude Relation as a Clue to the Origin of the Oosterhoff Dichotomy, Astrophysical Journal Letters, 515, L85-88
  
  
• Clement, C. M. and Shelton, I. 1999, New CCD Observations of the RR Lyrae Variables in the Oosterhoff Type II Cluster M9, Astronomical Journal, 118, 453-461. V magnitudes for the variable stars
  
  
• Clement, C. M. and Goranskij, V. P. 1999, The Mode Change of the RR Lyrae Variable V79 in M3, Astrophysical Journal, 513, 767-774
  
  
• Kaluzny, J., Hilditch, R. W., Clement, C. and Rucinski, S. M. 1998, Search for Variable Stars in the Globular Cluster M3, Monthly Notices of the Royal Astronomical Society, 296, 347-358
  
  
• Clement, C. M., Hilditch, R. W., Kaluzny, J. and Rucinski, S. M. 1997, Evolution of Horizontal Branch Stars in Globular Clusters: The Interesting Case of V79 in M3, Astrophysical Journal Letters, 489, L55-L58
  
  
• Garcia-Melendo, E. and Clement, C. M. 1997, NSV 09295: A Double-Mode RR Lyrae Variable, Astronomical Journal, 114, 1190-1194
  
  
• Clement, C. M. and Shelton, I. 1997, The Structure of the Light Curves of the RR Lyrae Variables in the Oosterhoff Type I Cluster NGC 6171, Astronomical Journal, 113, 1711-1722
  
  
• Clement, C. M. and Shelton, I. 1996, The Structure of the Light Curves of the RR Lyrae Variables in the Oosterhoff Type II Cluster M9, Astronomical Journal, 112, 618-627
  
  
• Clement, C. M., Bezaire, J., and Giguere, D. 1995, The Masses and Luminosities of RR Lyrae Variables in Oosterhoff type II Clusters: I. NGC 2298, Astronomical Journal, 110, 2200-2205 and 2516
  
  
• Clement, C. M., Dickens, R. J. and Bingham, E. A. 1995, The Variable Stars in the Globular Cluster NGC 6362, Astronomical Journal, 110, 2195-2199 and 2515
  
  
• Simon, N.R. and Clement, C.M. 1993, Are the Cepheids in IC 4182 Different from Population I Cepheids in the Galaxy? Astrophysical Journal Letters, 419, L21-L24
  
  
• Clement, C.M., Ferance, S., and Simon, N.R. 1993, The RR Lyrae Variables in the Globular Cluster M68, Astrophysical Journal, 412, 183-191
  
  
• Simon, N.R. and Clement, C.M. 1993, A Provisional RR Lyrae Distance Scale, Astrophysical Journal, 410, 526-533
  
  
• Clement, C.M., Jankulak, M. and Simon, N.R. 1992, An RR Lyrae Period Shift in Terms of the Fourier Parameter phi31, Astrophysical Journal, 395, 192-201
  
  
• Clement, C.M., Kinman, T.D. and Suntzeff, N.B. 1991, Two Double-Mode RR Lyrae Stars in the Field, Astrophysical Journal, 372, 273-280
  
  
• Clement, C.M. and Walker, I.R. 1991, A Search for Double-Mode RR Lyrae Stars in M80, M9 and NGC 2298, Astronomical Journal, 101, 1352-1360
  
  
• Clement, C.M. 1990, A Search for Double-Mode RR Lyrae Stars in the Globular Cluster M68, Astronomical Journal, 99, 240-249
  
  
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Other Research Contributions (since 2000)

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• Clement, C. The Catalog of Variable Stars in Galactic Globular Clusters, Paper presented at the B. V. Kukarkin Centenary Conference, Variable Stars, The Galactic Halo and Galaxy Formation, held at Zvenigorod (Moscow Region), Russia, October 2009.
  The paper in pdf format
  
  
• Goranskij, V., Clement, C. and Thompson, M. The Pulsation Mode Changes of the RR Lyrae Type Variable Star V79 in the Globular Cluster M3, Paper presented at the B. V. Kukarkin Centenary Conference, Variable Stars, The Galactic Halo and Galaxy Formation, held at Zvenigorod (Moscow Region), Russia, October 2009.
  The paper in pdf format
  
  
• Clement, C. M. 2006, Women in Astronomy at the University of Toronto, (Abstract of a paper presented at the meeting of the American Astronomical Society in Calgary, June 2006) Bulletin of the American Astronomical Society, 38, 103
  A writeup based on the talk
  
  
  
• Clement, C. M., Nguyen, D. C., Rucinski, S. M., Yee, H. K., Mallen-Ornelas, G., Gladders, M. D. and Seager, S. 2006, On the Detection of Periodic Variable Stars in the EXPLORE II Database, (Abstract of a paper presented at the meeting of the American Astronomical Society in Calgary, June 2006) Bulletin of the American Astronomical Society, 38, 119
  
  
• Clement, Xu, X. and Muzzin, A. V. 2005, Crowding Corrections for the First Overtone RR Lyrae Variables in the LMC, (Abstract of a paper presented at the meeting of the American Astronomical Society in Washington, D.C., January 2006) Bulletin of the American Astronomical Society, 37, 1364.
  
  
• Clement, C. M. and Rahman, M. 2005, Are there any RR2 Variables in Omega Centauri? (Abstract of a paper presented at the meeting of the American Astronomical Society in Minneapolis, June 2005) Bulletin of the American Astronomical Society, 37, 495
  
  
• Muzzin, A. V., Clement, C. M., Alves, D. R. and the MACHO Collaboration, 2003, The Distance to the LMC from First Overtone RR Lyrae Variables, IAU Colloquium 193 - Variable Stars in the Local Group, ASP Conf. Ser. 310, ed. D. W. Kurtz, pp 180-183
  
  
• Clement, C. M. 2002, Of Clusters and Galaxies, (An invited perspective for SCIENCES's COMPASS), Science, 297, 532
  
  
• Clement, C. M., Muzzin, A. V., Rowe, J. and the MACHO Collaboration, 2002, Fourier Analysis of First-Overtone Variables in the LMC, (Abstract of a paper presented at the meeting of the American Astronomical Society in Albuquerque, June 2002) Bulletin of the American Astronomical Society, 34, 651
  
  
• Clement, C. M. and Rowe, J. 2001, Four New Variables in the Globular Cluster NGC 5897, (Abstract of a paper presented at the meeting of the American Astronomical Society in Pasadena, June 2001) Bulletin of the American Astronomical Society, 33, 843
  
  
• Clement, C. M., Muzzin, A., Dufton, Q., Rosebery, T., Wang, J. and Rowe, J. 2000, A Catalogue of Variable Stars in Globular Clusters, (Abstract of a paper presented at the meeting of the Canadian Astronomical Society in Hamilton, May 2001) Journal of the Royal Astronomical Society of Canada, 95, 147-148
  
  
• Clement, C. M. and Rowe, J. 2000, The Oosterhoff Dichotomy in the Globular Cluster Omega Centauri, (Abstract of a paper presented at the meeting of the American Astronomical Society in Rochester, June 2000) Bulletin of the American Astronomical Society, 32, 739
  
  
• Clement, C. M. 2000, The RR Lyrae Period-Amplitude Relation, IAU Colloquium 176 - The Impact of Large-Scale Surveys on Pulsating Star Research, ASP Conf. Ser. 203, ed. L. Szabados & D. W. Kurtz, pp 266-267
  
  
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