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  Skyhopper CubeSat: a multi-band NIR telescope for precise intensity measurements

Adams, D., Content, R., Lawrence, J., McGregor, H., Horton, A., Ireland, M., et al. (2022). Skyhopper CubeSat: a multi-band NIR telescope for precise intensity measurements. In Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray. doi:10.1117/12.2631696.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000C-9F0E-3 Version Permalink: https://hdl.handle.net/21.11116/0000-000C-9F0F-2
Genre: Conference Paper

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 Creators:
Adams, David, Author
Content, Robert, Author
Lawrence, Jon, Author
McGregor, Helen, Author
Horton, Anthony, Author
Ireland, Mike, Author
Spitler, Lee, Author
Zhelem, Ross, Author
Greiner, Jochen1, Author           
Klose, Sylvio, Author
Laux, Uwe, Author
Trenti, Michele, Author
Affiliations:
1High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society, ou_159890              

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 Abstract: SkyHopper is a proposed CubeSat mission to simultaneously observe 4 bands in the wavelength range from 0.8 to 1.7 micron. The light is captured by a telescope with a 100 mm × 200 mm primary and a field of view of 0.6° × 2.6°. A preliminary definition (phase B) of the optical telescope assembly for the mission is now completed. It is designed to make high precision intensity measurements of every object in the field of view. This brought a series of constraints to avoid stray light. Different optical designs were studied. A Kösters prism is used to split the light into 4 bands on a 2k x 2k detector. The telescope design is based on a 3 mirror anastigmat with additional lenses to provide good image quality in the final focal plane for all bands and also in the intermediate focal plane and the pupil plane where cold stops are needed. Aberrations and vignetting of the prism had to be removed. Science applications include exoplanet transits in front of low-mass stars, rapid Infrared follow-up of Gamma Ray Bursts and exploring the Cosmic Infrared Background.

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Language(s): eng - English
 Dates: 2022-08-31
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1117/12.2631696
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Title: SPIE Astronomical Telescopes + Instrumentation,
Place of Event: Montréal, Québec, Canada
Start-/End Date: 2022-07-17 - 2022-07-23

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Title: Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray
Source Genre: Proceedings
 Creator(s):
Nakazawa, Kazuhiro, Author
Nikzad, Shouleh , Author
A. den Herder, Jan-Willem , Author
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Pages: - Volume / Issue: 12181 Sequence Number: - Start / End Page: - Identifier: -

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Title: Proceedings of SPIE
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Publ. Info: Bellingham, WA, USA : Society of Photo-Optical Instrumentation Engineers
Pages: - Volume / Issue: - Sequence Number: 121802Y Start / End Page: - Identifier: ISSN: 0277-786X