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\begin{document}

\title{MASS LOSS FROM LBV'S: OBSERVATIONAL CONSTRAINTS}
\author{Claus Leitherer\\
\\
Space Telescope Science Institute\thanks{Operated by AURA for NASA under contract 
NAS5-26555}\\
\\
3700 San Martin Drive\\
\\
Baltimore, MD 21218}

\pub{{\em the proceedings of}\\
~\\
LBVs---Massive Stars in Transition,\\
~\\
{\em held October 1996 in Kona, Hawaii}}

\maketitle

\begin{abstract}
The stellar-wind properties of luminous blue variables are reviewed. I examine
the results of different mass-loss tracers applied to the well-studied LBV
P~Cygni. The comparison suggests consistency between the methods. An overview
of mass-loss determinations for LBV's in the Galaxy and the Magellanic Clouds
is given. There is no unique correlation between mass-loss rate and radius
and/or effective temperature. However, the wind momentum is well
correlated with the radiant luminosity. LBV's appear to follow the same
universal relation as other hot stars, possibly hinting at radiation pressure
being the force driving the stellar wind.
\end{abstract}

\end{document}