Earth, Moon, and Planets

, Volume 104, Issue 1–4, pp 295–313 | Cite as


  • N. GopalswamyEmail author
  • S. Yashiro
  • G. Michalek
  • G. Stenborg
  • A. Vourlidas
  • S. Freeland
  • R. Howard


Coronal mass ejections (CMEs) are routinely identified in the images of the solar corona obtained by the Solar and Heliospheric Observatory (SOHO) mission’s Large Angle and Spectrometric Coronagraph (LASCO) since 1996. The identified CMEs are measured and their basic attributes are cataloged in a data base known as the SOHO/LASCO CME Catalog. The Catalog also contains digital data, movies, and plots for each CME, so detailed scientific investigations can be performed on CMEs and the related phenomena such as flares, radio bursts, solar energetic particle events, and geomagnetic storms. This paper provides a brief description of the Catalog and summarizes the statistical properties of CMEs obtained using the Catalog. Data products relevant to space weather research and some CME issues that can be addressed using the Catalog are discussed. The URL of the Catalog is:


Coronal mass ejections Flares Geomagnetic storms Solar energetic particle events 



We thank the LASCO/EIT consortium and the SOHO team for their contribution in making this Catalog possible.


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Copyright information

© US Government 2009

Authors and Affiliations

  • N. Gopalswamy
    • 1
    Email author
  • S. Yashiro
    • 2
  • G. Michalek
    • 2
  • G. Stenborg
    • 2
  • A. Vourlidas
    • 3
  • S. Freeland
    • 4
  • R. Howard
    • 3
  1. 1.NASA Goddard Space Flight CenterGreenbeltUSA
  2. 2.The Catholic University of AmericaWashington DCUSA
  3. 3.Naval Research LaboratoryWashington DCUSA
  4. 4.Lockheed Martin Advanced Technology CenterPalo AltoUSA

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