Description of the payload

A cryogenic ozone collector wich collect the ozone in the stratosphere and after recovery of the payload, the ozone isotopic distribution is analysed in the laboratory.

Details of the balloon flight and scientific outcome

Launch site: Domingos Rego Aerodrome, Timón, Maranhao, Brazil  
Balloon launched by: Centre National d'Etudes Spatiales (CNES)
Balloon manufacturer/size/composition: Zero Pressure Balloon model 150z Zodiac - 150.000 m3
Campaign: ELBC (Equatorial Large Balloon Campaign)  
Payload weight: 250 kg

The balloon was launched at 5:40 local time on June 4th 2005 by dynamic method assisted by auxiliary balloon.

After a initial ascent phase the float altitude of 36 km. was achieved and was activated the valve located at the top of the balloon starting a controlled descent to allow to take samples at different altitudes.

After near 6 hours of flight the separation command was transmited at 11:51 local time and after a descent phase of near 45 minutos the payload landed northeast of Grajaú, Maranhao state, near 350 kms west of the launch base.

External references and bibliographical sources

Images of the mission