%0 Journal Article
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%@archivingpolicy denypublisher denyfinaldraft
%@issn 0016-7169
%@dissemination WEBSCI; PORTALCAPES; AGU.
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%@usergroup sergio
%3 20LAGO.pdf
%X We present height-time diagrams of the halo coronal mass ejection observed on July 25th (1999) from the Large Angle and Spectroscopic Coronagraph (LASCO), on board of the Solar and Heliopheric Observatory (SOHO) able to observe the solar corona from 2 to 32 solar radii. We used a technique in which the LASCO images are divided in angular slices and placed side by side at different observation times, thus producing height-time diagrams. We identify a small deceleration of the July 25th halo CME around the south pole of the sun.
%8 Jan.-Mar.
%N 1
%T Deceleration observed in the coronal mass ejection event of  July 25, 1999
%K Coronal mass ejection, LASCO, SOHO, deceleration, image processing, height-time diagrams.
%@secondarytype PRE PN
%@group DGE-INPE-MCT-BR
%@group RSU-INPE-MCT-BR
%@copyholder SID/SCD
%@secondarykey INPE-10870-PRE/6326
%2 sid.inpe.br/marciana/2004/07.08.11.03.43
%@affiliation Instituto Nacional de Pesquisas Espaciais
%@affiliation Max Planck Institut für Aeronomie, Katlenburg-Lindau, Germany,
%@affiliation Instituto de Astronomía y Física del Espacio, Buenos Aires, Argentina,
%@affiliation Centro Regional Sul de Pesquisas Espaciais, Santa Maria, RS, Brazil,
%B Geofísica Internacional
%@language English
%P 41-45
%4 sid.inpe.br/marciana/2004/07.08.11.03
%D 2004
%V 43
%A Dal Lago, Alisson,
%A Schwenn, R.,
%A Stenborg, G.,
%A González-Alarcon, Walter Demétrio,
%A González, Alicia Luiza Clúa de,
%A Vieira, Luiz Eduardo Antunes,
%A Echer, Ezequiel,
%A Guarnieri, Fernando Luís,
%A Schuch, Nelson Jorge,
%@area CEA