deletions | additions
diff --git a/figures_chH2CO/W49_RGB_aplpy.png b/figures_chH2CO/W49_RGB_aplpy.png
index 72905a7..139dd9e 100644
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diff --git a/h2co_lowdens.tex b/h2co_lowdens.tex
index e56ed8e..48ba1d0 100644
--- a/h2co_lowdens.tex
+++ b/h2co_lowdens.tex
...
or $\sim60$ pc at $D=2.8$ kpc \citep{Roman-Duval2009}. It is detected in \oneone
absorption at all 6 locations observed in \formaldehyde, but \twotwo is only
detected in front of the W49 HII region because of the higher signal-to-noise at
that location.
The detected \thirteenco and \formaldehyde lines are fairly
narrow, with \formaldehyde FWHM $\sim1.3$-$2.8$ \kms and \thirteenco widths
from 1.8-5.9 \kms. The \thirteenco lines are 50\% wider than the \formaldehyde
lines.
The highest \thirteenco contours are observed as a modest IRDC, but no dust
emission peaks are observed at 500 \um or 1.1 mm. This is an indication that
...
% without a corresponding \twotwo detection.
Comparing the integrated \formaldehyde lines to the integrated \thirteenco
lines,
we have $N_(\ortho) the integrated \formaldehyde column densities are
$N_{\ortho} = 2.03\ee{12} $ and $1.56\ee{12}$ \persc for G43.16
and G43.17 respectively.
The \thirteenco integrated spectra have brightness $T_{MB} = 2.6$ K and $1.3$ K
for G43.16 and G43.17 respectively. Using the cloud-averaged excitation
temperature for this cloud, $\tau_{13}=2.3$ and $0.6$ respectively, so
\citet{Roman-Duval2010a} equation 3 yields column densities $N_{13} = 6.2\ee{15}
$ and $1.6\ee{15}$ \percc respectively. Assuming an abundance relative to \hh
$X_{13} =
1.77\ee{-6}$, 1.8\ee{-6}$ \citep[consistent with ][]{Roman-Duval2010a}, the
resulting \hh column densities are 3.5\ee{21} and 9.0 \ee{20} \percc
respectively. The abundances of \ortho relative to \thirteenco are 3.2\ee{-4}
and 9.8\ee{-4} respectively, or relative to \hh, 5.8\ee{-10} and 1.7\ee{-9},
which are entirely consistent with other measurements of
$X_{\formaldehyde}$. $X_{\ortho}$. These
are relatively modest column densities, with $A_V=17$ and 4.5.
These measurements for a specific cloud validate the statistical argument made
in \citet{Ginsburg2011a}. However, upon closer inspection of the cloud
diff --git a/macros.tex b/macros.tex
index affcf86..bcf16eb 100644
--- a/macros.tex
+++ b/macros.tex
...
\newcommand{\formaldehyde}{\ensuremath{\textrm{H}_2\textrm{CO}}\xspace}
\newcommand{\formaldehydeIso}{\ensuremath{\textrm{H}_2~^{13}\textrm{CO}}\xspace}
\newcommand{\methanol}{\ensuremath{\textrm{CH}_3\textrm{OH}}\xspace}
\newcommand{\ortho}{\ensuremath{\textrm{o-H}_2\textrm{CO}}} \newcommand{\ortho}{\ensuremath{\textrm{o-H}_2\textrm{CO}}\xspace}
\newcommand{\oneone}{\ensuremath{1_{10}-1_{11}}\xspace}
\newcommand{\twotwo}{\ensuremath{2_{11}-2_{12}}\xspace}
\newcommand{\threethree}{\ensuremath{3_{12}-3_{13}}\xspace}
...
\newcommand{\peryr}{\ensuremath{\textrm{yr}^{-1}}\xspace}
\newcommand{\perkmspc}{\textrm{per~km~s}\ensuremath{^{-1}}\textrm{pc}\ensuremath{^{-1}}\xspace} % km s-1 pc-1
\newcommand{\perkms}{\textrm{per~km~s}\ensuremath{^{-1}}\xspace} % km s-1
\newcommand{\um}{\ensuremath{\mu
m}\xspace} \textrm{m}}\xspace} % micron
\newcommand{\mum}{$\mu$m} \newcommand{\mum}{\um}
\newcommand{\htwo}{\ensuremath{\textrm{H}_2}} % micron
\newcommand{\Htwo}{\ensuremath{\textrm{H}_2}} % micron
\newcommand{\HtwoO}{\ensuremath{\textrm{H}_2\textrm{O}}} % micron
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deleted file mode 100644
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