THz balloon-borne telescope: Tera-GATE project

T. Kamizuka; H. Kataza; K. Watanabe; T. Wada; H. Murakami

doi:10.1117/12.790208

17 July 2008 THz balloon-borne telescope: Tera-GATE project

T. Kamizuka, H. Kataza, K. Watanabe, T. Wada, H. Murakami

Proceedings Volume 7012, Ground-based and Airborne Telescopes II; 70123R (2008) https://doi.org/10.1117/12.790208
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

We describe the balloon-borne telescope (69cm aperture) for the project Tera-GATE (THz observation with GaAs photoconductors and a balloon-borne TElescope) aiming at the THz astronomical observations. THz region is the last frontier left not well explored and we are planning to have multiband photometric observations covering the wavelength from 50 to 300 microns and get completed SED data for some Young Stellar Objects in this band. The telescope, we are constructing, has image stabilizing system which cancels out pointing error (up to about 0.3 degrees) of the balloon gondola, and enables us to take a long exposure needed for highly sensitive observations. We will show the structure of the telescope, cold stop design, and characteristics of the image stabilizing system.

Citation Download Citation

T. Kamizuka, H. Kataza, K. Watanabe, T. Wada, and H. Murakami "THz balloon-borne telescope: Tera-GATE project", Proc. SPIE 7012, Ground-based and Airborne Telescopes II, 70123R (17 July 2008); https://doi.org/10.1117/12.790208

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