abstract from Paul Feldman

[Paul Feldman 410-516-7339 <pdf@pha.jhu.edu>]

Attached is an abstract for the invited talk on comets.  Also attached is the 
registration form that has also been sent separately to Cara Loomis.
   Paul Feldman
   

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\documentclass{article}

\begin{document}

\title{Comets}

\author{Paul D. Feldman\\
Department of Physics and Astronomy \\
Johns Hopkins University \\
Baltimore, Maryland 21218}

\date{05 January 2006}

\maketitle

\begin{abstract}
High resolution spectroscopy of comets, both in the far ultraviolet,
from space using the {\it Far Ultraviolet Spectroscopic Explorer} and
the {\it Hubble Space Telescope}, and in the near infrared (2.9 -- 5.0
$\mu$m), from the ground, have revealed a wealth of new information,
particularly about the molecular consituents that make up the volatile
fraction of the comet's nucleus.  Interpretation of these data requires
not only proper wavelengths for identification but also information
about the photolytic processes at temperatures typical of the inner
coma (70 -- 100 K) that lead to the observed spectral signatures.
Often, nearly simultaneous ultraviolet and infrared observations do not
lead to consistent abundance determinations which may be the result of
improper modeling of the excitation mechanisms in either or both
regimes.  Several examples, mainly from {\it FUSE} and {\it HST}
spectra of comets observed during the last few years, will be given to
illustrate some of the outstanding issues.
\end{abstract}

\end{document}

Registration form
-------------------------------------------------------------------
Last name: FELDMAN
First name: PAUL
Middle name/initial: D.
Affiliation: Johns Hopkins University
Street Address: Department of Physics and Astronomy
City: Baltimore
State: Maryland
Postal Code: 21218
Country: USA
Tel: 410-516-7339
Fax: 410-516-5494
E mail: pdf@pha.jhu.edu
Citizenship*: USA
Abstract title  Comets
Special requirements:
*Non-US citizens should contact Cara Loomis if travel reimbursement for
the Workshop is required.


Note: Invited speaker - registration fee waived