The Planet as Exoplanet Analog Spectrograph (PEAS): design and first-light
Contributors
Abstract
Exoplanets are abundant in our galaxy and yet characterizing them remains a technical challenge. Solar System planets provide an opportunity to test the practical limitations of exoplanet observations with high signal-to-noise data that we cannot access for exoplanets. However, data on Solar System planets differ from exoplanets in that Solar System planets are spatially resolved while exoplanets are unresolved point-sources. We present a novel instrument designed to observe Solar System planets as though they are exoplanets, the Planet as Exoplanet Analog Spectrograph (PEAS). PEAS consists of a dedicated 0.5-m telescope and off-the-shelf optics, located at Lick Observatory. PEAS uses an integrating sphere to disk-integrate light from the Solar System planets, producing spatially mixed light more similar to the spectra we can obtain from exoplanets. This paper describes the general system design and early results of the PEAS instrument.
Additional Information
© 2020 Society of Photo-Optical Instrumentation Engineers (SPIE). PEAS is supported by the Heising Simons Foundation (Grant # 2019-1681). ECM acknowledges support from NSF Astronomy and Astrophysics Postdoctoral Fellowship under award AST-1801978.Attached Files
Published - 114470T.pdf
Submitted - 2012.08675.pdf
Files
114470T.pdf
Additional details
Identifiers
- Eprint ID
- 107156
- Resolver ID
- CaltechAUTHORS:20201217-124457843
Related works
- Describes
- https://arxiv.org/abs/2012.08675 (URL)
Funding
- Heising Simons Foundation
- 2019-1681
- NSF Astronomy and Astrophysics Fellowship
- AST-1801978
Dates
- Created
-
2020-12-17Created from EPrint's datestamp field
- Updated
-
2021-11-16Created from EPrint's last_modified field
Caltech Custom Metadata
- Series Name
- Proceedings of SPIE
- Series Volume or Issue Number
- 11447