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Action #5402

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Correction to improve low zspec bias (misclassified low z, faint galaxies)

Added by Marie Treyer about 5 years ago. Updated about 5 years ago.

Status:
New
Priority:
Normal
Assignee:
Marie Treyer
Start date:
2019-09-13
Due date:
% Done:

0%

Estimated time:

Description

WidzPeak=PDFwidth/zPeak, where zPeak is the highest peak of the (smoothed) PDF

This parameter efficiently picks out low-z faint galaxies that are misclassified at high z, due to their poor representativity in the training sample.
They can be kicked out, or their zcnn can be replaced by zPeak (or something better, yet to be defined).


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Fig1.png (118 KB) Fig1.png Marie Treyer, 2019-09-13 15:03
Fig2.png (113 KB) Fig2.png Marie Treyer, 2019-09-13 15:04
Fig6.png (96 KB) Fig6.png Marie Treyer, 2019-09-13 15:04
Fig3.png (118 KB) Fig3.png Marie Treyer, 2019-09-13 15:04
Fig5.png (95.3 KB) Fig5.png Marie Treyer, 2019-09-13 15:04
Fig4.png (121 KB) Fig4.png Marie Treyer, 2019-09-13 15:15
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 #1

Updated by Marie Treyer about 5 years ago

  • Assignee changed from Stephane Arnouts to Marie Treyer
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