Simulated Soft X-ray Spectral Observations with the ATSSI Sounding Rocket Payload

Details Simulated Soft X-ray Spectral Observations with the ATSSI Sounding Rocket Payload Simulated Soft X-ray Spectral Observations with the ATSSI Sounding Rocket Payload

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006spd....37.3705m&link_type=abstract

American Astronomical Society, SPD meeting #37, #37.05

Computer Science

Sound

Scientific paper

The Advanced Technology Solar Spectroscopic Imager (ATSSI) is a soft X-ray spectroheliograph consisting of a transition-edge sensor (TES) array placed at the focus of a Wolter I thin-foil mirror, and electronics. TESs are a sub-class of microcalorimeters that operate at temperatures ≤ 100 mK. ATSSI is being developed for flight on a sounding rocket and is presently scheduled to launch in CY 2008. To date, TESs have demonstrated energy resolution performance down to 2.4 eV (measuring 5.9 keV photons) and for ATSSI, our goal is to achieve 3-4 eV during flight, observing the solar corona in the 0.5-2.0 keV (6-25 Å) bandpass. Using 10 arcsec pixels, ATSSI will generate spectra over this bandpass with a detected photon count rate of 500 cts/sec, achieving time resolution of a few seconds. Using the rocket's Attitude Control System, ATSSI will raster scan over an active region, covering an area 120x120 arcsec2, to search and stare at transient phenomenon. In our presentation, we highlight ATSSI's design and show a simulated data product demonstrating the power of its observational technique. Lastly, we will give an update of the program's status.

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