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HST North fields #1

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martinkilbinger opened this issue Jun 1, 2022 · 2 comments
Open

HST North fields #1

martinkilbinger opened this issue Jun 1, 2022 · 2 comments
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@martinkilbinger

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@martinkilbinger
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martinkilbinger commented Jun 1, 2022 •
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The UNIONS footprint overlaps with some HST fields:

  • DEEP2/DEEP3, in W3, part of the 3DHST data. We have used these data to calibrate photometric redshifts.
  • AEGIS, see below. HST imaging, spectroscopic data is DEEP2/3.
  • GOODS-North. Unfortunately only one r-band tile is overlapping.

Goals

  • add spectroscopic calibration data.
  • assess blending
  • improve star-galaxy separation.
@martinkilbinger martinkilbinger self-assigned this Jun 1, 2022
@martinkilbinger
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3DHST-AEGIS field and overlapping UNIONS tiles.

image

@lbaumo
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lbaumo commented Sep 19, 2022

I spoke to some people who use HST more than I do, and they said that the star-galaxy separation would be reliable to magnitude 27 or 28, so that should be more than enough for for us

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