Changeset 41180 for trunk

Timestamp:

Nov 29, 2019, 10:18:52 AM (7 years ago)

Author:

eugene

Message:

add some notes on needed refs

File:

• trunk/doc/release.2015/ps1.calibration/calibration.tex (modified) (3 diffs)

trunk/doc/release.2015/ps1.calibration/calibration.tex

@@ -1089 +1089 @@
 rejections do not catch all cases of bad measurements.
 
+\note{justify this outlier rejection process}
 After the initial iterations, we also perform outlier rejections based
 on the consistency of the measurements.  For each star, we use a two
@@ -1114 +1115 @@
 calibrated based on their overlaps with other images.
 
+\note{justify the choice of a factor of 10}
 We overweight the ubercal measurements in order to tie the relative
 photometry system to the ubercal zero points.  Ubercal images and
@@ -1362 +1364 @@
 average photometry given the possible presence of non-Gaussian
 outliers even within the best subset of measurements.  
+
+\note{include a reference to IRLS and describe concept more}
+\code{http://users.stat.umn.edu/~sandy/courses/8053/handouts/robust.pdf}
+\code{https://arxiv.org/pdf/0807.0575.pdf}
 
 \subsubsection{Selection of Measurements}