Merge pull request #599 from LSSTScienceCollaborations/issue/595/preface

Updated preface

Author: ivezic

whitepaper/introduction.tex

@@ -248,9 +248,9 @@ \subsection{How will the results of our analyses be used?}
 
 Through the end of construction and commissioning, this community
 Observing Strategy White Paper will remain a living document that is
-{\it the vehicle for the community to communicate to the LSST Project
-regarding the Wide-Fast-Deep and mini-survey observing strategies.}
-{\it The Project Scientist will synthesize and act on the results
+{\it the} vehicle for the community to communicate to the LSST Project
+regarding the Wide-Fast-Deep and mini-survey observing strategies.
+The Project Scientist will {\it synthesize and act on the results
 presented in this paper,} with support from the Science Advisory
 Committee and Survey Strategy Committee (see below).
 

whitepaper/preface.tex

@@ -5,15 +5,14 @@ \chapter*{Preface}
 \markboth{}{}
 
 \noindent The Large Synoptic Survey Telescope (LSST) is designed to
-carry out a large synoptic survey.  We have a pretty good idea of how we
-LSST could be deployed: there is a baseline strategy, and a
+carry out a large synoptic survey: it has a baseline strategy, and a
 corresponding simulated visit sequence, with which it can be
 demonstrated that the data required for the promised science can be
 delivered. However, this baseline strategy may well not be the {\it
 best} way to schedule the telescope. Smaller, specialized surveys are
 likely to provide high scientific value, as is optimizing the pattern of
-repeated sky coverage.  The baseline strategy is not set in stone, and
-can and will be optimized. Even small changes could result in
+repeated sky coverage.  Moreover, the baseline strategy is not set in
+stone, and can and will be optimized. Even small changes could result in
 significant improvements to the overall science yield. How can we design
 an observing strategy that maximizes the scientific output of the LSST
 system?
@@ -23,25 +22,22 @@ \chapter*{Preface}
 Science Collaboration and LSST Project members, we are working together
 to use the Metric Analysis Framework (\MAF) provided by the LSST Project
 to evaluate \OpSim simulations of the LSST survey (also provided by the
-Project) specifically for the science that we each care most about. Once
-the baseline visit sequence has been evaluated with a given science
-case's metrics, all other proposed visit sequences can be compared
-against it, automatically. In this way, our goal is to give sustainable
-quantitative feedback about how any proposed observing strategy would
-impact the performance of our science cases, and so enable good
-decisions to be made when the telescope schedule is eventually set up.
+Project) specifically for the science that we each care most about. In
+this way, we aim give sustainable quantitative feedback about how any
+proposed observing strategy would impact the performance of our science
+cases, and so enable good decisions to be made when the telescope
+schedule is eventually set up.
 
 \noindent This white paper is a compendium of ideas and results
 generated by the community, assembled so that everyone can follow along
-with the analysis.
-It is a living document, whose purpose is to bind
+with the analysis. It is a living document, whose purpose is to bind
 together the group of people who are thinking about the LSST observing
 strategy problem, and facilitate their collective discussion and
 understanding of that problem (a process we might think of as  ``cadence
-diplomacy'').
-Its audience is the LSST science community itself, including the LSST
-Project Science Team: our hope is that the PST will take our findings
-into account when designing the observing strategy.
+diplomacy''). Its audience is the LSST science community, Science
+Advisory Committee and Project Science Team: this white paper is   {\it
+the} vehicle for the community to communicate to the LSST Project as the
+final observing strategy is designed.
 
 \noindent The white paper's modular design allows pieces of it to be
 split off and published in a series of snapshot journal papers, as the
@@ -55,12 +51,11 @@ \chapter*{Preface}
 
 \noindent The LSST observing strategy evaluation and optimization
 process will be as open and inclusive as possible. New community members
-are welcome at any time: we invite all stakeholders to participate, and
-provide guidance on how to get involved in \autoref{sec:guidelines}.
+are welcome at any time: we invite all stakeholders to participate.
 
 \vspace{2\baselineskip}
 
 {\raggedleft \credit{ivezic}, \credit{bethwillman}, \credit{drphilmarshall} \\
- \medskip \hspace{0.8\linewidth} \it April 24, 2016.}
+ \medskip \hspace{0.8\linewidth} \it March 13, 2017.}
 
 \clearpage