HIPPI-2: A versatile high-precision polarimeter
Article
| Article Title | HIPPI-2: A versatile high-precision polarimeter |
|---|---|
| ERA Journal ID | 40237 |
| Article Category | Article |
| Authors | Bailey, Jeremy (Author), Cotton, Daniel V. (Author), Kedziora-Chudczer, Lucyna (Author), De Horta, Ain (Author) and Maybour, Darren (Author) |
| Journal Title | Publications of the Astronomical Society of Australia |
| Journal Citation | 37, pp. 1-20 |
| Article Number | e004 |
| Number of Pages | 20 |
| Year | 2020 |
| Publisher | Cambridge University Press |
| Place of Publication | Australia |
| ISSN | 1323-3580 |
| 1448-6083 | |
| Digital Object Identifier (DOI) | https://doi.org/10.1017/pasa.2019.45 |
| Web Address (URL) | https://www.cambridge.org/core/journals/publications-of-the-astronomical-society-of-australia/article/abs/hippi2-a-versatile-highprecision-polarimeter/758F4BFD38209FAE755B2A19A9141DE6 |
| Abstract | We describe the High-Precision Polarimetric Instrument-2 (HIPPI-2) a highly versatile stellar polarimeter developed at the University of New South Wales. Two copies of HIPPI-2 have been built and used on the 60-cm telescope at Western Sydney University’s (WSU) Penrith Observatory, the 8.1-m Gemini North Telescope at Mauna Kea and extensively on the 3.9-m Anglo-Australian Telescope (AAT). The precision of polarimetry, measured from repeat observations of bright stars in the SDSS g′band, is better than 3.5 ppm (parts per million) on the 3.9-m AAT and better than 11 ppm on the 60-cm WSU telescope. The precision is better at redder wavelengths and poorer in the blue. On the Gemini North 8-m telescope, the performance is limited by a very large and strongly wavelength-dependent TP that reached 1000’s of ppm at blue wavelengths and is much larger than we have seen on any other telescope. |
| Keywords | instrumentation: polarimeters, polarisation, techniques: polarimetric |
| ANZSRC Field of Research 2020 | 510109. Stellar astronomy and planetary systems |
| Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
| Byline Affiliations | University of New South Wales |
| Centre for Astrophysics | |
| Western Sydney University | |
| Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q76z8/hippi-2-a-versatile-high-precision-polarimeter
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