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Leyte Normal University
Tacloban City
SORCE
Prepared by:Argie Balasbas Mabag
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SORCE
(Solar Radiation and Climate Experiment)
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Spacecraft: SORCE satellite
Launch Vehicle: Pegasus XL
Launch Location: Kennedy Space
Center, Cape Canaveral, Florida
Launch Date: January 28, 2003
Satellite Mass: 290 kg
Power: 348 watts
Communications: Redundant S-Band
Transceivers
Orbit: 645km, 40° inclination
Mission Life: 5-year (6-year goal)
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Objectives:
1. Make accurate measurements with
high precision of total solar irradiance,
connect them to previous TSI
measurements, and continue this long-
term climate record. Provide TSI with
an accuracy of 0.01% (100 parts per
million) based on SI units and with a
long-term repeatability of 0.001%/yr.
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Objectives:
2. Make daily measurements of the solar ultraviolet irradiance from 120 to 300 nm, with a spectral resolution of 1 nm. Achieve this spectral irradiance measurement with an accuracy of better than 5%, and with a long-term repeatability of 0.5%/yr. Use the solar/stellar comparison technique to relate the solar irradiance to the ensemble average flux from a number of bright, early-type stars (same stars used by the UARS SOLSTICE program)
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Objectives:
3. Make the first measurements of the
visible and near IR solar irradiance with
sufficient precision for future climate
studies. Obtain daily measurements of
solar spectral irradiance between 0.3 and
2 µm with a spectral resolution of at least
1/30, an accuracy of 0.03%, and a long-
term repeatability of better than 0.01%/yr.
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Objectives:
4. Improve the understanding of how and
why solar irradiance varies, estimate past
and future solar behavior, and investigate
climate responses.
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Team
• Edward Chang
SORCE Project
Manager
• Robert Cahalan
SORCE Project
Scientist
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Team
• Doug Rabin
SORCE Deputy
Project Scientist
• Don Anderson
NASA Headquarters
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Team
• Thomas SparnProgram Manager
• Brian BoyleSystems Engineering, Instrument Integration and Test, Mission Analysis, and Instrument Operations Manager
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Team
• Vanessa George
Research Coordinator
LASP(Laboratory for Atmospheric and
Space Physics)
• Ken Griest
Planning/Scheduling
Engineer
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Team
• Barry KnappGround S/W Engineer/Analyst, LASP (Laboratory for
Atmospheric and Space Physics)
• Richard KohnertChief Systems Engineer
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Team
• Doug Lindholm
Ground S/W
Engineer/Analyst
LASP (Laboratory for
Atmospheric and Space Physics)
• Deb McCabe
Flight Director,
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Team
• Randy Meisner
Ground S/W Engineer /
Analyst
• Chris Pankratz
Science Operations
Manager
LASP (Laboratory for
Atmospheric and Space Physics)
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Team
• Sean Ryan Mission Operations Manager, LASP (Laboratory for Atmospheric and Space Physics)
• Ann WindnagelGround S/W Engineer/Analyst LASP (Laboratory for
Atmospheric and Space Physics)
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Agencies
NASA Goddard
Space Flight Center
University of
Colorado at Boulder
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Agencies
Orbital Sciences
Corporation