The coronal suprathermal particle explorer (C-SPEX)

J. Daniel Moses; Charles Brown; George Doschek; Yuan-Kuen Ko; Clarence Korendyke; J. Martin Laming; Dennis Socker; Allen Tylka; Donald McMullin; Chee Ng; Steven Wassom; Martin Lee; Frédéric Auchère; Silvano Fineschi; Tim Carter

doi:10.1117/12.896868

6 October 2011 The coronal suprathermal particle explorer (C-SPEX)

J. Daniel Moses, Charles Brown, George Doschek, Yuan-Kuen Ko, Clarence Korendyke, J. Martin Laming, Dennis Socker, Allen Tylka, Donald McMullin, Chee Ng, Steven Wassom, Martin Lee, Frédéric Auchère, Silvano Fineschi, Tim Carter

Author Affiliations +

Proceedings Volume 8148, Solar Physics and Space Weather Instrumentation IV; 81480J (2011) https://doi.org/10.1117/12.896868
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

The primary science objective of the Coronal Suprathermal Particle Explorer (C-SPEX) is to investigate the spatial and temporal variations of coronal suprathermal particle populations that are seeds for acceleration to solar energetic particles (SEPs). It is understood that such seed particle populations vary with coronal structures and can change responding to solar flare and coronal mass ejection (CME) events. Models have shown that higher densities of suprathermal protons can result in higher rates of acceleration to high energies. Understanding the variations in the suprathermal seed particle population is thus crucial for understanding the variations in SEPs. However, direct measurements are still lacking. C-SPEX will measure the variation in the suprathermal protons across various coronal magnetic structures, before/after the passage of CME shocks, in the post-CME current sheets, and before/after major solar flares. Understanding the causes for variation in the suprathermal seed particle population and its effect on the variation in SEPs will also help build the predictive capability of SEPs that reach Earth. The CSPEX measurements will be obtained from instrumentation on the International Space Station (ISS) employing well-established UV coronal spectroscopy techniques.

Citation Download Citation

J. Daniel Moses, Charles Brown, George Doschek, Yuan-Kuen Ko, Clarence Korendyke, J. Martin Laming, Dennis Socker, Allen Tylka, Donald McMullin, Chee Ng, Steven Wassom, Martin Lee, Frédéric Auchère, Silvano Fineschi, and Tim Carter "The coronal suprathermal particle explorer (C-SPEX)", Proc. SPIE 8148, Solar Physics and Space Weather Instrumentation IV, 81480J (6 October 2011); https://doi.org/10.1117/12.896868

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available