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HSC star catalogue comparison #2

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martinkilbinger opened this issue Jun 23, 2022 · 6 comments

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martinkilbinger commented Jun 23, 2022 •

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We are using HSC SSP Y1 data provided by @WentaoLuo. The HectoMAP field overlaps with UNIONS.

Goals:

Compare UNIONS and HSC star catalogues, check completeness and purity.
Look at color and other information from HSC.

Links:

Li et al. (2022)
HSC-SSP Y3 shear catalogue https://arxiv.org/abs/2107.00136

Aihara et al. (2021)
HSC-SSP Y3 data release https://arxiv.org/abs/2108.13045

martinkilbinger self-assigned this

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martinkilbinger commented Jun 23, 2022

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martinkilbinger commented Jun 23, 2022

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martinkilbinger commented Jun 23, 2022

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martinkilbinger commented Jun 23, 2022

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martinkilbinger commented Jun 23, 2022

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martinkilbinger commented Jun 23, 2022

Next steps:

Get HSC mask, use SP mask to better define common footprint.
Get additional properties in SP star cat (magnitude, SNR, …)
Use all stars, not just validation set
Study influence of SP setting on size and purity of star sample
Please let me know if you are interested in working on this project

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