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Exclude the redundant dateline tiles and high-Dec tiles from the DR6 shape catalogue

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还没有人认领这个 Issue。

评估

难度
4/5
预计耗时
3-5 天
新手友好度
35/100
Issue 类型
缺陷
描述清晰度
需要澄清
活跃度
活跃
技术栈
python
领域
data

调研方向

Start by locating the tile-list and final catalogue assembly entry points; the issue does not name files or tests. Obtain the redundant and high-Dec tile IDs from Mike or Stephen, then resolve whether exclusion belongs in the tile list or at assembly. Done means neither set enters the final or public catalogue and overlapping galaxies are not measured twice.

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描述

An off-by-one error at the RA = 360° wrap in the MegaPipe tile system produced ~32 redundant tiles in the 23,114-tile list. Each overlaps two or more existing tiles and contains no new data. Above about Dec 82.5°, the default MegaPipe tile image does not cover the full tile. Neither set may enter the final or public shape catalogue; galaxies on redundant tiles would be measured twice.

The telecon did not decide when to drop them: now, from the tile list, or at final catalogue assembly. This issue is the reminder either way. Needs the tile IDs (Mike / Stephen).

Context: 15 Sep telecon notes

主要语言
Python
星标
18
派生
14
平均合并
4 天 2 小时
30 天内合并 PR
26

环境准备

从这里开始

  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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