Status of the Diffuse Intergalactic Oxygen Surveyor (DIOS)

T. Ohashi; Y. Ishisaki; Y. Ezoe; Y. Tawara; K. Mitsuda; N. Y. Yamasaki; Y. Takei

doi:10.1117/12.926097

17 September 2012 Status of the Diffuse Intergalactic Oxygen Surveyor (DIOS)

T. Ohashi, Y. Ishisaki, Y. Ezoe, Y. Tawara, K. Mitsuda, N. Y. Yamasaki, Y. Takei

Proceedings Volume 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray; 844319 (2012) https://doi.org/10.1117/12.926097
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

DIOS (Diffuse Intergalactic Oxygen Surveyor) is a small scientific satellite with the main aim of searching warm-hot intergalactic medium using redshifted OVII and OVIII lines. The wide-field spectroscopic capability of DIOS will also bring rich science about the dynamics of cosmic hot plasmas in all spatial scales. The instrument will consist of a 4-stage X-ray telescope and an array of TES microcalorimeters with up to 400 pixels, cooled with mechanical coolers. Hardware development of DIOS and outstanding issues about the payload are described. DIOS will be further developed with international collaboration and will be proposed to the earliest call of JAXA’s small scientific satellite series.

Citation Download Citation

T. Ohashi, Y. Ishisaki, Y. Ezoe, Y. Tawara, K. Mitsuda, N. Y. Yamasaki, and Y. Takei "Status of the Diffuse Intergalactic Oxygen Surveyor (DIOS)", Proc. SPIE 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, 844319 (17 September 2012); https://doi.org/10.1117/12.926097

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