Scientific Programme (as of January 21, 1998)

First International Conference on Comet Hale-Bopp

Puerto de la Cruz, Tenerife, Spain - February 2-5, 1998

Please note that a few, minor adjustments may still be made.

Abstracts of the Papers (in Postscript format).

Oral Sessions

IT = Invited Talk (25 + 5 = 30 min); speaker's name indicated in bold characters (if more than one author).
CT = Contributed Talk (12 + 3 = 15 min)
 

1. Introduction

Orbit Determination and Evolution of Comet C/1995 O1 (Hale-Bopp) (IT-1-1) B. Marsden (Smithsonian Astrophysical Observatory, Cambridge, MA, USA)
 
Early Observations of Comet Hale-Bopp at Rh > 4 AU (IT-1-2) A. Fitzsimmons (Queen's University, Belfast, UK)
 

2. The Nucleus

2a. General Properties

Estimating the Size of Hale-Bopp's Nucleus (IT-2a-1) H. A. Weaver (Department of Physics, Johns Hopkins University, Baltimore, MD, USA) and Ph. Lamy(Laboratoire d'Astronomie Spatiale du CNRS, Marseille, France)
Detection of a Satellite Orbiting the Nucleus of Comet Hale-Bopp (C/1995 O1) (CT-2a-1) Z. Sekanina (Jet Propulsion Laboratory, California Institute of Technology, Pasadena, Calif., USA)
Physical Properties of the Nucleus of Comet Hale-Bopp (CT-2a-2) Y.R. Fernandez (University of Maryland, USA) et al.
The Nucleus Spin State (IT-2a-2) D. Jewitt (Institute for Astronomy, University of Hawaii, Honolulu, HI, USA)
The Spin Axis Position of Comet 1995 O1 (Hale-Bopp) (CT-2a-3) J. Licandro (IAC, La Laguna, Tenerife, Spain) et al.
The Spin Axis of Comet 1995/O1 Hale-Bopp (CT-2a-4) S. Metchev (Harvard University, Cambridge, Mass., USA) and J. Luu (Harvard-Smithsonian Center of Astrophysics, Cambridge, Mass., USA)
An Analysis of the Structure and Evolution of Coma Morphology of Comet Hale-Bopp (CT-2a-5) N.H. Samarasinha, B.E.A. Muller and M.J.S. Belton (NOAO/KPNO, Tucson, AZ, USA)
The Rotation Period of Comet Hale-Bopp (1995 O1) (CT-2a-6) Tony L. Farnham (Lowell Observatory, Flagstaff, AZ, USA) et al.
The Rotation Period of Comet 1995 O1 (Hale-Bopp) at Perihelion (CT-2a-7) M. Serra (IAC, La Laguna, Tenerife, Spain) et al.
 

2b. Activity

Gas Production Curves and Their Interpretation(IT-2b-1) D. Bockelee-Morvan (Observatoire de Paris, Meudon, France) and H. Rickman (Astronomisk observatorium, Uppsala, Sweden)
Dust Emission (IT-2b-2) M. Kidger (Instituto de Astrofisica de Canarias, La Laguna, Tenerife, Spain)
Post-Perihelion Observations of Comet Hale-Bopp (1995 O1) (CT-2b-1) D. G. Schleicher (Lowell Observatory, Flagstaff, Arizona, USA) et al.
Modelling Gas and Dust Release from Comet Hale-Bopp (CT-2b-2) D. Prialnik (Dept. of Geophysics and Planetary Sciences, Tel Aviv University, Tel Aviv, Israel)
The Formation of a Large Sample of Gas-laden Amorphous Ice as a Comet Analog (CT-2b-3) A. Bar-Nun, D. Laufer and G. Notesco (Dept. of Geophysics and Planetary Sciences, Tel Aviv University, Tel Aviv, Israel)
On the Relationship of Chemical Abundances in the Nucleus to those in the Coma (CT-2b-4) W.F. Huebner (Southwest Research Institute, San Antonio, TX, USA) and J. Benkhoff (DLR, Institut fuer Planetenerkundung, Berlin, Germany)
Long-term Evolution of the Outgassing of Comet Hale-Bopp from Radio Observations (CT-2b-5) N. Biver (Observatoire de Paris, Meudon, France) et al.
 

3. The Gas Phase

3a. Neutral gas (morphology, chemistry, isotopes)

Radio Observations of Molecular and Isotopic Species: Implications on the Interstellar Origin of Cometary Ices (IT-3a-1) D. Despois (Observatoire de Bordeaux, France)
New Molecular Species in Comet C/1995 O1 (Hale-Bopp) Observed with the Caltech Submillimeter Observatory (CT-3a-1) D.C. Lis (California Institute for Technology, Pasadena, Calif., USA) et al.
K-band Radio Observations of Comet Hale-Bopp: Detections of Ammonia and (Possibly) Water (CT-3a-2) M. K. Bird (Radioastronomisches Institut, Univ. Bonn, Germany) et. al.
The HNC/HCN Ratio in Comets (CT-3a-3) W.M. Irvine (Five College Radio Astronomy Observatory, University of Massachusetts, Amherst, Mass., USA) et al.
Fluorescence and Collisional Processes of SO and SO 2 in Comet Hale-Bopp (C/1995 O1) (CT-3a-4) Sang J. Kim (Kyunghee University, Korea) et al.
Observing OH in the Coma of Comet Hale-Bopp via Occultation of Radio Sources (CT-3a-5) B.J. Butler (NRAO, Socorro, NM, USA) et al.
Infrared Observations of Volatile Molecules in Comet Hale-Bopp (IT-3a-2) J. Crovisier (Observatoire de Paris, Meudon, France)
The Infrared Spectrum of Comet Hale-Bopp as Seen by the Infrared Space Observatory (CT-3a-6) K. Leech (ISO Science Operations Centre, Astrophysics Div. of ESA Villafranca, Spain) et al.
UKIRT Observations of Comet P/Hale-Bopp (CT-3a-7) John K. Davies (Joint Astronomy Center, Hilo, Hawaii, USA) et al.
CSHELL Observations of C/1995 O1 Hale-Bopp in the 3 um Region: Rotational Temperatures and Production Rates of Parent Molecules (CT-3a-8) K. Magee-Sauer et al. (Rowan University, Glassboro, NJ, USA)
Quantification of Water and Carbonyl Sulfide in Comet Hale-Bopp Using Ground-based Infrared Spectroscopy (CT-3a-9) N. Dello Russo (NASA-GSFC/CUA, Greenbelt, MD, USA) et al.
The Neutral Gas Phase of Comet Hale-Bopp: Results from Optical Observations (IT-3a-3) C. Arpigny (Institut d'Astrophysique, Liege, Belgium)
Spectroscopic Monitoring of Comet C/1995 O1 (Hale-Bopp) (CT-3a-10) I.M. Cartwright (Dept. of Pure and Applied Physics, The Queen's University of Belfast, UK) et al.
The Behavior of Carbon-based Molecules in the Coma of Comet Hale-Bopp (CT-3a-11) A.L. Cochran (The University of Texas, Austin, TX, USA) et al.
On the Identity of the CN Cometary Radical Parents (CT-3a-12) M.C. Festou (Midi-Pyrenees Observatory, Toulouse, France) et al.
Ultraviolet Observations of Comet Hale-Bopp (IT-3a-4) P. Feldman (Department of Physics, Johns Hopkins University, Baltimore, MD, USA)
Search for Noble Gases in Comet Hale-Bopp: A Joint Venture UVSTAR-EUVE (CT-3a-13) C.B. Cosmovici (Istituto Fisica Spazio Interplanetario, CNR, Roma, Italy) et al.
Rocket-Borne Long-slit Ultraviolet Spectroscopy of Comet Hale-Bopp (CT-3a-14) J.B. McPhate et al. (Dept. of Physics and Astronomy, The Johns Hopkins University, Baltimore, MD, USA)
 

3b. Plasma (composition, dynamics)

Ion Composition and Solar Wind Interaction (IT-3b-1) H. Rauer (DLR, Institut fuer Planetenerkundung, Berlin, Germany)
Modeling the Solar Wind - Comet Interaction (IT-3b-2) T. I. Gombosi (Space Physics Research Laboratory, University of Michigan, Ann Arbor, MI, USA)
A Comparative Study of Different Ions in Comet Hale-Bopp (CT-3b-1) T. Credner et al. (Max-Planck-Institut fuer Aeronomie, Katlenburg-Lindau, Germany)
Molecular Line Imaging of HCO + in Comet C/1995 O1 (CT-3b-2) A.J. Lovell (Five College Radio Astronomy Observatory, University of Massachusetts, Amherst, Mass., USA) et al.
Comet Hale-Bopp: Velocity Field of Ions from Fabry-Perot Imaging (CT-3b-3) T. Bonev et al. (Max-Planck-Institut fuer Aeronomie, Katlenburg-Lindau, Germany)
Sub-mm Maps of HCO + Emission and Molecular Ion Morphologies in C/1995 O1 (Hale-Bopp) (CT-3b-4) M. Womack (St. Cloud State University, MN, USA) et al.
Dynamics of Structures in the Plasma Tail of Comet Hale-Bopp (CT-3b-5) Ch. Th. Fischer et al. (MPI fuer Extraterrestrische Physik, Garching, Germany)
A Relation of Optical and X-ray Emissions in Hale-Bopp (CT-3b-6) R. Schulz (ESA/ESTEC, Noordwijk, The Netherlands) et al.
X-rays from Comet Hale-Bopp (CT-3b-7) C.M. Lisse (Univ. of Maryland, USA) et al.
 

3c. Sodium

Sodium in Comets (IT-3c-1) G. Cremonese (Osservatorio Astronomico di Padova, Padova, Italy) and M. Fulle (Osservatorio Astronomico, Trieste, Italy)
Comet Hale-Bopp's Diffuse Sodium Tail (CT-3c-1) J.K. Wilson and M. Mendillo (Boston University, Center for Space Physics, Brookline, Mass., USA)
High Dispersion Line Profiles of the Sodium (Na) Emission within the Inner Coma of Hale-Bopp (C/1995 O1) (CT-3c-2) E.S. Barker, A.L. Cochran and W.D. Cochran (University of Texas, Austin, TX, USA)
Neutral Sodium in the Inner Coma of Comet Hale-Bopp (C/1995 O1): Heliocentric Dependence and Spatial Distribution (CT-3c-3) Hideyo Kawakita (Misato Observatory, Kaiso, Wakayama, Japan) et al.
 

4. The Dust Phase

4a. Particle properties and composition

Observations of Scattered Light from Cometary Dust (IT-4a-1) K. Jockers (Max-Planck-Institut fuer Aeronomie, Katlenburg-Lindau, Germany)
Polarimetry and Photometry of Comet C/1995 O1 Hale-Bopp (CT-4a-1) N.N. Kiselev and F.P. Velichko (Astronomical Observatory of Kharkov State University, Ukraine)
Thermal Emission and Dust Properties of Comet Hale-Bopp (IT-4a-2) M. S. Hanner (Jet Propulsion Laboratory, Pasadena, CA, USA)
Comet Hale-Bopp in the Thermal Infrared - ISOPHOT Observations and Size Distribution Modeling (CT-4a-2) S.B. Peschke (MPI fuer Kernphysik, Heidelberg, Germany) et al.
Initial Results from a Combined Ground and Space Based Study of Comet Hale-Bopp (CT-4a-3) H. Campins (University of Florida, USA) et al.
FCRAO Millimeter Continuum Observations of Comet C/1995 O1 (CT-4a-4) M.C. Senay et al. (Five College Radio Astronomy Observatory, University of Massachusetts, Amherst, Mass., USA)
Comet Hale-Bopp, Circumstellar Dust and the ISM(IT-4a-3) C. Waelkens (Astronomical Institute, University of Leuven, Belgium)
Discovery of Mg-rich Pyroxenes in Comet Hale-Bopp: Pristine Relic ISM Grains Revealed at Perihelion (CT-4a-5) Diane H. Wooden (NASA, Ames, USA) et al.
 

4b. Morphology and dynamics

Modeling (IT-4b-1) M. A'Hearn (University of Maryland, College Park, MD, USA)
Dust Morphology of Comet Hale-Bopp (C/1995 O1) in 1996 and 1997: I. Pre- and Post-perihelion Coma Structures (CT-4b-1) H. Boehnhardt (European Southern Observatory, Santiago de Chile, Chile) et al.
Jets of Comet Hale-Bopp at the Heliocentric Distance About 7 AU (CT-4b-2) M. Kidger (Instituto Astrofisico de Canarias, Tenerife, Spain) et al.
The Dust Tail of Comet Hale-Bopp Beyond 4 AU(CT-4b-3) M. Fulle (Osservatorio Astronomico, Trieste, Italy) et al.
An Early Investigation of the Striated Tail of Comet Hale-Bopp (C/1995 O1) (CT-4b-4) J. Pittichova (European Southern Observatory, Garching, Germany) et al.
 

5. Dust-Gas Interrelations

Dust-Gas Interrelations in Comets: Observations and Theory (IT-5-1) M. R. Combi (Space Physics Research Laboratory, University of Michigan, Ann Arbor, MI, USA)
A Dusty Coma Model of Comet Hale-Bopp (CT-5-1) D.C. Boice (Southwest Research Institute, Instrumentation and Space Res. Div., San Antonio, TX, USA) et al.
Evidences for Extended Sources and Temporal Modulations in Molecular Observations of C/1995 O1 (Hale-Bopp) at IRAM Interferometer (CT-5-2) J. Wink (Institut de Radio Astronomie Millimetrique, Grenoble, France) et al.
Gas Jets in Comet Hale-Bopp (1995 O1) (CT-5-3) S.M. Lederer (University of Florida, USA) et al.
Infrared Spectroscopy of CO Emission in C/1995 O1 Hale-Bopp at the NASA-Infrared Telescope Facility (CT-5-4) M.A. DiSanti (NASA-GSFC, Greenbelt, MD, USA) et al.
 

6. Conclusions and Summary

Amateurs' Contributions (IT-6-1) A. Hale (Southwest Institute for Space Research, Alamogordo, NM, USA) and T. Bopp (Glendale, AZ, USA)
General Discussion (30 min) All participants
Summary of Conference (IT-6-2) R. West (European Southern Observatory, Garching, Germany)

Poster Sessions

All posters will be displayed during the entire conference. Special poster sessions of 1 hour will be held on each of the first two days of the conference. The posters in sections 2, 3 and 4 will be arranged thematically shortly.

 

1. Introduction

Monte Carlo Simulations of Oort Cloud Comets and the Origin of Comet Populations (P-1-1) P. Nurmi (Tuorla Observatory, Piikkioe, Finland) et al.
 

2. The Nucleus

Observations of the Comet Hale-Bopp with Negative Films in China (P-2-1) Wu Guangjie et al. (Yunnan Observatory, Kunming, PR China)
The Globular Ejections of Comet Hale-Bopp (P-2-2) Bo-chen Qian et al. (Shanghai Astronomical Observatory, Shanghai, PR China)
Observations of Comet Hale-Bopp's Jets and Shells (P-2-3) Jun Tao, Bo-chen Qian and Yuan Tang (Shanghai Astronomical Observatory, The Chinese Academy of Sciences, Shanghai, PR China)
Comet Hale-Bopp: Evolution of Jets and Shells in the Period August 1996-May 1997 (P-2-4) G. Schwarz (DLR-DFD, Wessling, Germany) et al.
Analysis and Study of the Visual Photometric Evolution, Gas Generation and Morphology of the Inner Coma of Comet Hale-Bopp C/1995 O1 (P-2-5) J.P. Navarro Pina (Spain)
CCD Imaging of Comet Hale-Bopp at 4.1 AU and at Perihelion (P-2-6) P. Weissman, B. Buratti, A. Chamberlin (Jet Propulsion Laboratory, CALTECH, Pasadena, Calif., USA)
Dust Morphology of the Inner Coma of Hale-Bopp(P-2-7) J. Warell, J. Lagerros and C.-I. Lagerkvist (Astronomiska Observatoriet, Uppsala, Sweden)
Size and Physical Properties of the Comet Hale-Bopp (C/1995 O1) Nucleus (P-2-8) V.G. Kruchinenko, K.I. Churyumov (Astronomical Observatory, Kyiv University, Kyiv, Ukraine)
Recursive Jet Activity of Comet 1995 O1 (Hale-Bopp) during 1995: Evidence for a Complex Rotation (P-2-9) M. Kidger et al. (IAC, La Laguna, Tenerife, Spain)
Determination of Rotational Parameters from the Inversion of Dust Jet Positions (P-2-10) L.R. Bellot Rubio (IAC, La Laguna, Tenerife, Spain) et al.
The Rotation Period of Comet Hale-Bopp from Observations of the Dust Jets at Pic du Midi Observatory (P-2-11) L. Jorda (MPI f\"ur Aeronomie, Lindau, Germany) et al.
A Determination of the Nuclear Size of Comet Hale-Bopp (C/1995 O1) (P-2-12) Z. Sekanina (Jet Propulsion Laboratory, CALTECH, Pasadena, Calif., USA)
Monte-Carlo Simulation of the Diurnal Evolution of a Dust Jet in Comet Hale-Bopp (C/1995 O1) (P-2-13) Z. Sekanina (Jet Propulsion Laboratory, CALTECH, Pasadena, Calif., USA)
Modelling of the Recurrent Dust Coma Structure of Comet Hale-Bopp < (P-2-14)/td> W. Waniak (Astronomical Observatory, Krakow, Poland) and W. Ogloza (Pedagogical University, Krakow, Poland)
Is P/Hale-Bopp a 'Juvenile' Comet? - Study of the Energy Balance to Explain the Vapor Flux of Volatiles from the Surface (P-2-15) J. Benkhoff and H. Rauer (DLR, Berlin, Germany)
Thermal Model of H 2 O-Activity of Comet Hale-Bopp (P-2-16) E. Kuehrt (DLR, Berlin, Germany)
The Temperature of Formation of Comets Halley, Hyakutake and Hale-Bopp (P-2-17) G. Notesco, D. Laufer and A. Bar-Nun (Dept. of Geophysics and Planetary Sciences, Tel-Aviv University, Israel)
Physical Chemistry of a Heterogeneous Medium: Transport Processes in Comet Nuclei (P-2-18) N. Bouziani, F.P. Fanale (Hawaii's Institute of Geophysics and Planetology, School of Ocean and Earth Science and Technology, University of Hawaii, Honolulu, HI, USA)
 

3. The Gas Phase

Coordinated Observations of Comet Hale-Bopp Between 32 and 860 MHZ (P-3-1) J.E. Wink (Institut de Radio Astronomie Millim\'etrique, Grenoble, France) et al.
On the Peculiarity of the Water 22 GHz Emission Line in Comets: SL-9, Hyakutake and Hale-Bopp(P-3-2) C.B. Cosmovici (Istituto Fisica Spazio Interplanetario, CNR, Roma, Italy) et al.
Maps of OH Masers around Comet Hale-Bopp (P-3-3) R. N. Ogley (Physics Department, The Open University, Walton Hall, Milton Keynes, MK7 6AA, UK) et al.
Observations of the OH Radical in Comet Hale-Bopp with the Nancay Radio Telescope (P-3-4) P. Colom (Observatoire de Paris, Meudon, France) et al.
Collisional Quenching of OH Radio Emission from Comet Hale-Bopp (P-3-5) F.P. Schloerb et al. (Five College Radio Astronomy Observatory, Amherst, Mass., USA)
The Linewidths of Molecular Emissions of Comet C/1995 O1 (Hale-Bopp) (P-3-6) M.C. Festou (Midi-Pyrenees Observatory, Toulouse, France) et al.
A Search for Variability in the HCN/H 2 CO Ratio of Hale-Bopp (P-3-7) M. Hofstadter (Caltech/JPL, Pasadena, USA) et al.
Infrared Spectroscopy of Comet Hale-Bopp (P-3-8) H.A. Weaver (Johns Hopkins University, USA) et al.
A Molecular Survey of Comet C/1995 O1 (Hale-Bopp) at the IRAM Telescopes (P-3-9) D. Bockelee-Morvan (Observatoire de Paris, Meudon, France) et al.
An Attempt to Detect the Intercombination Transition Lines in Comet Hale-Bopp (P-3-10) P. Rousselot, C. Laffont, G. Moreels, J. Clairemidi (Observatoire de Besancon, Besancon, France)
IR Albedo of the Dust Released by an Outburst of Comet Hale-Bopp (C/1995 O1) (P-3-11) G.P. Tozzi et al. (Osservatorio Astrofisico di Arcetri, Italy)
The Observation and Research of Comet Hale-Bopp in China (P-3-12) Hongnan Zhou (The Group of Chinese Watch Coordination on Comet Hale-Bopp, Physics Dept., Nanjing Normal University, Nanjing, PR China)
Surface Photometry of Comet Hale-Bopp Carbon Images (P-3-13) Yu. V. Sizonenko (Main Astronomical Observatory of NAS, Kyiv, Ukraine)
The Narrow-band Photometry of Comet C/1995 O1 (Hale-Bopp) (P-3-14) J. Svoren, R. Komzik, L. Neslusan, J. Ziznovsky (Astronomical Institute of the Slovak Academy of Sciences, Tatranska Lomnica, The Slovak Republic)
Sources of CN in Comet C/Hale-Bopp (P-3-15) M. Kueppers (LASP, Univ. of Colorado, USA) et al.
Narrowband Photometry of Comet Hale-Bopp (C/1995 O1) Near Perihelion (P-3-16) K.I. Churyumov, V.V. Kleshchonok and F.I. Kravtsov (Astronomical Observatory, Kyiv University, Kyiv, Ukraine)
Observations of High Resolution Spectra of Comet Hale-Bopp at the SAO of the RAS (P-3-17) K.I. Churyumov (Astronomical Observatory, Kyiv University, Kyiv, Ukraine) et al.
Spectra of Comet C/1995 O1 (Hale-Bopp) Obtained with 6-m BTA Reflector at Mount Pastukhov (P-3-18) K.I. Churyumov (Astronomical Observatory, Kyiv University, Kyiv, Ukraine) et al.
CCD Observations of Comet Hale-Bopp on Shajn Telescope. I. Coude Spectra (P-3-19) P.P. Korsun et al. (Main Astronomical Observatory of NAS, Kyiv, Ukraine)
Fiberoptically Multiplexed Medium Resolution Spectroscopy from the WIYN Telescope, Singlet D Neutral Oxygen, NH 2 and H 2 O + (P-3-20) Ch. M. Anderson (Dept. of Astronomy, University of Wisconsin-Madison, USA)
Observations of C 2 Molecules in the Coma of Comets at Mitaka (P-3-21) T. Sekiguchi (The Graduate University of Advanced Studies, Japan) et al.
Comparative Study of the Optical Spectra of Comets C/1996 B2 (Hyakutake) and C/1995 O1 (Hale-Bopp) (P-3-22) L. Leedjaerv, K. Annuk, T. Eenmaee, I. Kolka, A. Puss (Tartu Observatory, Toravere, Estonia)
Hubble Space Telescope Observations of Comet Hale-Bopp (P-3-23) H.A. Weaver (Johns Hopkins University, USA) et al.
Observations of Hale-Bopp with the Shuttle-borne SWUIS Telescope (P-3-24) J. Wm. Parker (SwRI, Boulder, Colorado, USA) et al.
Ground-based Observations of Hale-Bopp with the Southwest UV Imaging System (SWUIS) (P-3-25) D.C. Slater (Southwest Research Institute, San Antonio, TX, USA) et al.
Wide-field Imaging of Ion Tail of Comet C/Hale-Bopp 1995 O1 (P-3-26) D. Kinoshita (Dept. of Physics, University of Tohoku, Japan) et al.
The Interaction of C/1995 O1 Hale-Bopp with the Solar Wind as Recorded in COCAM Images (P-3-27) G.H. Jones (The Blackett Laboratory, Imperial College, London, UK) and K. Jockers (Max-Planck-Institut fuer Aeronomie, Katlenburg-Lindau, Germany)
Can the Magnetic Reconnection Model be a Possible Triggering Mechanism to Explain the Disconnection Event in Comet Hale-Bopp? (P-3-28) M.R. Voelzke (Instituto Astronomico e Geofisico da Universidade de Sao Paulo, Brazil)
2D Bi-Ion Fluid Simulations of Cometary Tail Rays(P-3-29) K. Sauer (Max-Planck-Institut f\"ur Aeronomie, Katlenburg-Lindau, Germany) et al.
Detection of Soft X-ray Emission from Comet C/1995 O1 (Hale-Bopp) (P-3-30) A. Owens (Space Science Dept. of ESA, The Netherlands) et al.
The Spatial Sodium Distribution in the Coma of Comet Hale-Bopp (C/1995 O1) (P-3-31) H. Rauer (DLR, Berlin, Germany) et al.
Spectroscopic Observations of Sodium in the Coma of Comet Hale-Bopp (C/1995 O1) (P-3-32) C. Arpigny (Institut d'Astrophysique, Liege, Belgium) et al.
Sulfur Chemistry at Millimeter Wavelengths in C/Hale-Bopp (P-3-33) L.M. Woodney (University of Maryland, USA) et al.
 

4. The Dust Phase

Near-infrared Polarimetric Imaging Observations of Comet Hale-Bopp (P-4-1) H. Hasegawa (ASTEC, Inc., Japan)et al.
Optical Imaging Polarimetry for the Inner Coma of Comet Hale-Bopp (C/1995 O1) (P-4-2) R. Furusho (The Graduate School of Science and Technology, Kobe University, Japan) et al.
CCD Polarimetry of Comet Hale-Bopp (P-4-3) P. Tanga (Osservatorio Astronomico di Torino, Italy)
CCD-Polarimetric Imaging of Comet C/1995 O1(P-4-4) E. Hadamcik (Universite Paris 6/Aeronomie CNRS, Verrieres, France) et al.
Images of Polarization and Colour in the Inner Coma (P-4-5) K. Jockers et al. (Max-Planck-Institut fuer Aeronomie, Katlenburg-Lindau, Germany)
Polarimetry of Comet Hale-Bopp: Linear and Circular Polarization, Stellar Occultation (P-4-6) V.K. Rosenbush (Main Astronomical Observatory of NAS, Kyiv, Ukraine) et al.
New Results on UV Photopolarimetric Imaging of Comet Hale-Bopp with the Wide-field Imaging Survey Polarimeter (WISP) (P-4-7) W.M. Harris et al. (University of Wisconsin, Madison WI , USA)
Long-slit Spectropolarimetry of Comet Hale-Bopp(P-4-8) P. Chakraborty and R. Vasundhara (Indian Institute of Astrophysics, Bangalore, India)
Near-infrared Imaging Spectrophotometry of Comet C/1995 O1 (Hale-Bopp) Near Perihelion(P-4-9) D.E. Harker (Wyoming Infrared Observatory, University of Wyoming, Laramie, WY, USA)et al.
Mid-infrared Spectra of Comet Hale-Bopp: Fit of the Observations by Dust Models (P-4-10) P. Galdemard (C.E.A./Service d'Astrophysique, Centre d'Etudes de Saclay, Gif-sur-Yvette, France) et al.
Spectrocam-10 Thermal Infrared Observations of the Dust in Comet Hale-Bopp (P-4-11) T.L. Hayward (Cornell University, USA) and M.S. Hanner (Jet Propulsion Laboratory, CALTECH, Pasadena, USA)
ISOCAM Observations of Comet 1995 O1 Hale-Bopp (P-4-12) P.L. Lamy (Laboratoire d'Astronomie Spatiale, Marseille, France) et al.
Thermal Imaging and Spectroscopy of Comet Hale-Bopp: Pre- and Post-Perihelion (P-4-13) D.J. Osip and H. Campins (University of Florida, USA)
The Pre- and Post-Perihelion Infrared Spectral Energy Distributions of Comet C/1995 O1 (Hale-Bopp) During 1997 (P-4-14) Ch. E. Woodward (Wyoming Infrared Observatory, University of Wyoming, Laramie, WY, USA) et al.
Infrared Observations of Comet Hale-Bopp (P-4-15) C. M. Lisse (Univ. of Maryland, College Park, MD, USA) et al.
A Comparison between Near-infrared and Visible Imaging of the Inner Coma of Comet Hale-Bopp at Perihelion (P-4-16) P. Santos (IAC, La Laguna, Tenerife, Spain) et al.
Photographic Observations of Comet Hale-Bopp: The Properties of Shell Structure (P-4-17) Yu. N. Gnedin and T.P. Kiseleva (The Central Astronomical Observatory at Pulkovo, St. Petersburg, Russia)
Spatial Differences in the Visible/Near Infrared Continuum Emission of Comet C/1995 (Hale-Bopp) (P-4-18) G. Bellucci (CNR Istituto di Fisica dello Spazio Interplanetario, Roma, Italy)
CCD Image Archive of Comet C/1995 (O1) Hale-Bopp (P-4-19) M. Braunstein (Central Washington University, WA, USA) et al.
HB Shell Expansion: A CCD Study (P-4-20) F. Manzini et al. (G.A.T./S.A.S. Observatory, Novara, Italy)
Silicates in Hale-Bopp: Hints from Laboratory Studies (P-4-21) J.R. Brucato (Osservatorio Astronomico di Capodimonte, Napoli, Italy) et al.
Evolution of Dust Shells and Jets in the Inner Coma of Comet C/1995 O1 (Hale-Bopp) (P-4-22) S. Garro (AstroQueyras, Saint-Veran, France) et al.
Observations of the Dust Cloud of Comet Hale-Bopp in the Post-Perihelion Passage (P-4-23) N. Yamamoto (Dept. of Physics, Science University of Tokyo, Japan) and Jun-ichi Watanabe (National Astronomical Observatory, Japan)
Modelling Dust Jets and Shells from Comet Hale-Bopp (P-4-24) R. Vasundhara (Indian Institute of Astrophysics, Bangalore, India) et al.
Dust Morphology of Comet Hale-Bopp (C/1995 O1) in 1996: II. Introduction of a Working Model (P-4-25) Z. Sekanina (Jet Propulsion Laboratory, CALTECH, Pasadena, Calif., USA) and H. Boehnhardt (European Southern Observatory, Santiago, Chile)
On the Synchronic Bands in Comet Hale-Bopp's Dust Tail (P-4-26) Yu. V. Sizonenko (Main Astronomical Observatory of NAS, Kyiv, Ukraine)
Synchronic Bands in the Dust Tail of Comet C/Hale-Bopp 1995 O1: Formation Theory and its Application (P-4-27) J. Watanabe (National Astronomical Observatory of Japan) et al.
Distribution Law for Particle Fragmentation Times in a Theory for Striated Tails of Dust Comets: Application to Comet Hale-Bopp (C/1995 O1) (P-4-28) Z. Sekanina (Jet Propulsion Laboratory, CALTECH, Pasadena, Calif., USA) and J. Pittichova (European Southern Observatory, Garching, Germany)
Finson-Probstein Analysis of Cometary Dust Tails(P-4-29) F. Moreno, A. Molina, J.L. Ortiz, and J.J. Lopez-Moreno (Instituto de Astrofisica de Andalucia, Granada, Spain)
 

5. Dust-Gas Interrelations

Jets and Arcs in the Coma of Comet Hale-Bopp from August 1996 to October 1997 (P-5-1) C. Laffont (Observatoire de Besancon, Besancon, France) et al.
Quantitative Morphology of Comet C/1995 O1 (Hale-Bopp) in February-April 1997 (P-5-2) H. Bleul (Astron. Inst. University of Bochum, Germany) et al.
Imaging of Comet Hale-Bopp at Abastumani (P-5-3) O.M. Kurtanidze (Abastumani Astrophysical Observatory, Abastumani, Republic of Georgia)
Structure of the Dust and Plasma Tails of Comet Hale-Bopp (C/1995 O1) (P-5-4) V.S. Filonenko (Astronomical Observatory, Kharkiv State University, Ukraine)
 

6. Conclusions and Summary

Comet Hale-Bopp on the Web: A Useful Experience (P-6-1) R.M. West (European Southern Observatory, Garching, Germany)

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