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FORSCHUNGSBERICHT 1996-1998


 

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Radioastronomisches Institut

Allgemeine Angaben:
Auf dem Hügel 71, 53121 Bonn, Telefon: 0228 / 73-3658

Hauptamtliche Professoren
°Prof. Dr. °Ulrich °Klein
°Prof. Dr. °Ulrich °Mebold

Wissenschaftliches Personal
Universitätsstellen
°Dr. °Susan Ames
°Dr. °Michael, K. °Bird
°Dr. °Andreas °Heithausen
°Dr. °Wolfgang °Hirth
°Dr. °Peter °Kalberla
°Dr. °Jürgen °Kerp
°Dr. °Nikolaus °Neininger
°Dr. °Luzian °Velden
°Prof. Dr. °Hans °Volland (°Emeritus)

Drittmittelstellen
°Dr. °Martin °Blondiau (°DFG)
°Dipl.Phys. °Christian °Brüns (°DFG)
°Dipl.Phys. °Christian °Düsterberg (°DFG)
°Dipl.Phys. °Robindro °Dutta-Roy (°DLR)
°Dipl.Phys. °Thomas °Fritz (°DFG)
°Dipl.Phys. °Oliver °Funke (°DFG)
°Dr. °Dap °Hartmann (°SFB)
°Dipl.Phys °Wolfram °Herkendell ()
°Dipl.Phys °Sven °Kohle (°DFG)
°Dr. °Karl-Heinz °Mack (°DFG)
°Dr. °Monika °Marx-Zimmer (°DLR)
°Dipl.Phys. °Peter °Moritz (°DFG)
°Dr. °Monica °Neininger (°DLR)
°Dr. °Jochen °Pietz (°DLR)
°Dipl.Phys. °Helge °Rottmann (°MPI)
°Dr. °Ignatius °Souvatzis ()
°Dottore °Andrea °Tarchi (°DLR)
°Dipl.Phys. °Gernot °Thuma (°MPI)
°MSc °Fabian °Walter (°DFG)
°Dipl.Phys. °Axel °Weiß (°DFG)
°Dr. °Gernot °Westphalen (°DFG)
°Dr. °Jan °Wouterlout (°SFB)
°Dr. °Zengyuan °Yue (°SFB)
°Dr. °Frank °Zimmer (°DFG)

Stipendiaten
°Dr. °Yi-Nan °Chin (°DAAD)
°Dr. °Susanne °Hüttemeister (°Görres-Gesellschaft)
°Lucca °Tankredi Barone (°Erasmus)
°Dr. °Wilfred °Walsh (°DFG, Graduierten Kolleg)
°Dipl.Phys. °Aylin °Yar (°DAAD)

Forschungsschwerpunkte
°Das Sonnensystem, Sondierungs-Untersuchung von Kometen und interplanetarer Raumsonden
(°Bird)

°Grosse Radiogalaxien
(°Klein, Mack)

°Galaktische Halos
(°Mebold, Hirth, Kerp, Kalberla)

°Die Magellanschen Wolken und andere Zwerggalaxien
(°Mebold, Klein, Marx-Zimmer, Walsh, Zimmer)

Besondere Forschungsförderung
°Doppler-Wind Experiment der Cassini-Huygens-Mission
(°Bird, Dutta-Roy, Edenhofer, Iess, Atkinson, Allison, Asmar, Taylor, °DLR)

°Diagnostik des Sonnenwindes in seinem Entstehungsgebiet
(°Bird, Fahr, )

°Radiosondierungsuntersuchungen mit interplanetaren Raumsonden
(°Bird, Funke, °DLR)

°Untersuchung gemeinsamer Eigenschaften von koronalen Plasmen der Sonne/Flaresterne und galaktischer Halos
(°Krüger, Hirth, °DFG)

°Energiebilanz von kalten Wolken in der LMC
(°Marx-Zimmer, Blondiau, Mebold, Dickey, Herbstmeier, Chin, °DLR)

°The ATNF-HI-absorption survey of the Magellanic stream and clouds
(°Mebold, Dickey, °DFG)

°Gasdynamik in äusseren galaktischen Halo
(°Mebold, Lesch, °DFG)

°4-Farben-Kamera für das 2.2.-m-Teleskop am Calar Alto: Desighn-Rechnungen für die Optik, Untersuchung der Farbteiler, Bau der CCD-Controller, Entwicklung von Hard- und Software für die Datenaufnahme.
(°Reif, et al., Heber, °BMFT)

°Bonner Weitwinkel-Flächen-Photometer. Das System ist bereit für den Einsatz durch MPIA/DSAZ
(°Reif, Müller, Bagschik, °BMFT)

Veröffentlichungen
°Anderson, J.D.,, Turyshev, S.G.,, Asmar, S.W., Bird, M.K., Konopliv, A.S., Krisher, T.P., Lau, E.L., Schubert, G., Sjogren, W.L:
°Radio science investigation on a Mercury Orbiter mission
°Planet. Space Sci. 45, 21, 1997

°Andreev, V.E., Bird, M.K., Efimov, A.I., Chashei, I.V., Samoznaev, L.N.:
°Alfvén waves in the solar supercorona from Faraday rotation fluctuation data
°Astronom. Zh. 74,, 263, 1997 [Astron.Rep.41, 227, 1997]

°Andreev, V.E., Bird, M.K., Efimov, A.I., Samoznaev, L.N., Chashei, I.V.:
°Intensity of coronal Alfvén waves from polarization radio sounding
° Pisma Astronom. Zh.23, 222, 1997 [Astron. Lett.23, 194, 1997]

°Andreev, V.E., Efimov, A.I., Samoznaev, L.N., Chashei, I.V., Bird, M.K.:
°Characteristics of coronal Alfvén waves deduced from Helios Faraday rotation measurements
°Solar Phys. 176, 387,1997

°Barnes, D. G., Staveley-Smith, L., Webster, R. L., Walsh, W.:
°An HI-survey for protogalaxies in the Centaurus and Fornax galaxy clusters
°MNRAS 288, 3078, 1977

°Best P.N., Röttgering H.J.A., Bremer M.N., Cimatti A., Mack K.-H., Miley G.K., Pentericci L., Tilanus R.P.J., van der Werf P.P.:
°Dust in 3C,324
°MNRAS 301, L15, 1998

°Bird, M. K., Heyl, M., Allison, M., Asmar, S.W., Atkinson, D.H., Edenhofer, P., Plettemeier, D., Wohlmuth, R., Iess, L., Tyler, G.L.:
° The Huygens Doppler Wind Experiment, Huygens Science, Paload and Mission
°[ESA SP-1177], ESTEC, Noordwijk/NL, 139 (1997)

°Bird, M. K.:
°Atmospheric attenuation of the Huygens S-band radio signal during the Titan descent, Huygens Science, Payload and Mission
°[ESA SP-1177], ESTEC, Noordwijk/NL, 321 (1997)

°Bird, M.K., Dutta-Roy, R., Asmar, S.W., Rebold, T.A:
°Detection of Titan's ionosphere from Voyager 1 radio occultation observations
°Icarus 130, 426, 1997

°Bird, M.K., Funke, O., Neidhöfer J., de Pater, I.:
°Multi-frequency radio observations of Jupiter at Effelsberg during the SL-9 impact
°Icarus 121, 450,1996

°Bird, M.K., Huchtmeier, W.K., Gensheimer, P., Wilson, T.L., Janardhan, P., Lemme, C.:
° Radio detection of ammonia in comet Hale-Bopp
° A&A 325, L5,1997

°Bird, M.K., Pätzold, M., Edenhofer, P., Asmar, S.W., McElrath, T.P:
°Coronal radio sounding with Ulysses: Solar wind electron
°A&A 316, 441, 1996

°Bird, M.K.:
°The heliosphere: latitudinal dependencies revealed by Ulysses,
°'Reports on Astronomy', ed. I. Appenzeller, Kluwer Academic Publ., Dordrecht/NL, 170, 1997

°Birk G.T., Lesch H., Zimmer F.:
°Magnetic Reconnection in the Galactic Halo
°Physica Scripta, T74, 89, 1998

°Blondiau, M. J., Kerp, J., Mebold, U., Klein, U.:
°An X-ray shadow in the Large Magellanic Cloud
°A&A 323, 585, 1997

°Brand J., Wouterloot J.G.A:
°A multi-wavelength study of the Sharpless 151 region
°A&A 337, 539, 1998

°Chin Y.-N., Henkel C., Millar T.J., Whiteoak J.B., Marx-Zimmer M.:
°Molecular abundances in the Magellanic Clouds III. LIRS36, a star-forming region in the SMC
°A&A 330, 901, 1998

°Chin, Y.-N., Henkel, C., Whiteoak, J.B., Langer, N., Churchwell, E.B.:
°Interstellar sulfur isotopes and stellar oxygen burning
°A&A 305, 960, 1996

°Chin, Y.-N., Henkel, C., Whiteoak, J.B., Millar, T.J., Hunt, M., Lemme, C.:
°Molecular abundances in the Magellanic Clouds I. A multiline study of five cloud cores
°A&A 317, 548, 1997

°Dahmen, G., Hüttemeister, S., Wilson, T.L., Mauersberger, R., Bronfman, L., Dame, T.M., Palmer, E.S., May. J., Aparici, J:
°Molecular Gas in the Galactic Center Region I: Data from a Large Scale C^18O(J=1-0) Survey
°A&AS 126, 197, 1997

°De Boer K.S., Kerp J:
°The Structure of the Local Hot Bubble Toward l = 165^o, b =0^o Using IUE and ROSAT Data
°Using IUE and ROSAT Data Proceedings of the IAU Colloquium No. 166 ``The Local Bubble and Beyond'', Eds. D. Breitschwerdt, M.J. Freyberg, J. Trümper, Lecture Notes in Physics 506, 65, 1998

°De Boer K.S., Richter P., Bomans D.J., Heithausen A., Koorneef J.:
°Orfeus II echelle spectra: Absorption by H_2 in the LMC
°A&A 338, L5, 1998

°Digel S.W., Grenier I.A., Heithausen A., Hunter S.,, Thaddeus P:
°Diffuse high-energy gamma-ray emission beyond the Solar Circle: The Cepheus and Polaris flares and the Perseus arm
°ApJ 463, 609, 1996

°Efimov, A.I., Bird, M.K., Andreev V.E., Samoznaev, L.N:
°On the detection of Alfvén waves in cirumsolar plasma by radio sounding using linearly polarized signals
°Pisma Astronom. Zh.22, 874, 1996 [Astron. Lett. 22, 785, 1996]

°Ehle, M., Pietsch, W., Beck, R., Klein, U.:
°ROSAT PSPC X-Ray observations of the nearby spiral galaxy M83
°A&A 329, 39, 1998

°Enslin, T.A., Biermann, P. L., Klein, U., Kohle, S.:
°Cluster Radio Relics as a Tracer of Shock Waves of the Large-Scale Structure
°A&A 332, 395, 1998

°Falgarone E., Panis J.F., Heithausen A., Pérault M., Stutzki J., Puget J.-L., Bensch F:
°The IRAM key-project: Small-scale structure of pre-star forming regions. I. Observational results
°A & A 331, 669, 1998

°Fendt, Ch., Beck, R., Neininger, N.:
°Spiral pattern in the optical polarization of NGC 6946
° A&A 335, 123, 1998

°Feretti, L., Giovannini, G., Klein U., Mack K.-H., Sijbring L.G., Zech G.:
°Electron aging and polarization in tailed radio galaxies
°A&A 331, 475, 1998

°Filipovic, M.D., Pietsch, W., Haynes, R.F., White, G., Jones, P.A., Wielebinski, R., Klein, U., Dennerl, K., Kahabka, P., Lazendic, J.S.:
°A Radio Continuum Study of the Magellanic Clouds. VI. Discrete sources common to radio and X-ray surveys of the Magellanic Clouds
°A&AS 127, 119, 1998

°Filipovic, M.D., White, G.L., Haynes, R.F., Jones, P.A., Meinert, D., Wielebinski, R., Klein, U.:
°Radio Continuum Study of the Magellanic Clouds IVa: Catalogue of radio sources in the Large Magellanic Cloud 2.30 GHz (lambda = 13 cm)
°A&AS 120, 77, 1996

°Fritz T.,, Bruch A.:
°Studies of the flickering in cataclysmic variables - IV. Wavelet transforms of flickering light curves
° A&A 332, 586, 1998

°Funke, O., Bird, M.K., Neidhöfer, J., de Pater, I:
°Effelsberg observations of the evolution of Jupiter's radio brightness during and after the impacts of Comet Shoemaker-Levy 9
°Planet. Space Sci. 45, 1177, 1997

°Gregorini, L., Vigotti, M., Zönnchen, J., Klein, U.:
°Multi-Frequency Study of the B3-VLA Sample. I. 10.6-GHz Data
°A&AS 133, 129, 1998

°Guélin M., Neininger N., Cernicharo J.:
°Astronomical detection of the cyanobutadiynyl radical C_5N
°A&A 335, L1, 1998

°Hartmann, D., Kalberla, P.M.W., Burton, W.B., Mebold, U:
°Stray-radiation correction as applied to the Leiden/Dwingeloo survey of HI in our Galaxy
°A&A Suppl. 119, 115, 1996

°Heithausen A., Corneliussen U., Grossmann V.:
°The SO-to-CS abundance ratio in molecular cirrus clouds
°A&A 330, 311, 1998

°Heithausen A.:
°On the dynamical state of high-latitude molecular clouds
°A&A 314, 251, 1996

°Heithausen, A., Bensch, F., Stutzki, J., Falgarone E., Panis J.F:
°The IRAM key-project: Small-scale structure of pre-star forming regions. Combined mass spectra and scaling laws
°A&A 331, L65, 1998

°Henkel C., Chin Y.-N., Mauersberger R., Whiteoak J.B.:
°Dense gas in nearby galaxies x. Interstellar ^12C/^13C ratios in the central regions of M82 and IC342
°A&A 329, 443, 1998

°Henkel C., Chin Y.-N., Wielebinski R., Mauersberger R.:
°Cool Gas in Southern Galaxies
°The Messenger of the European Southern Observatory, 91, 45, 1998

°Herbstmeier, U., Kalberla, P.M.W., Mebold, U., Weiland, H., Souvatzis, I., Wennmacher, A., Schmitz, J.:
°Single dish and aperture synthesis HI observations towards the Draco nebula
°A&A 117, 497, 1996

°Hirth, W., Krüger, A.:
°Das Energiespektrum schneller Teilchen, koronale Aufheizung und die Struktur von Übergangsschichten
°Kleinheub. Ber. 39, 1998

°Hirth, W.:
°Der empirische Absorptionsquerschnitt der milden galaktischen Röntgenstrahlung bei grossen Detektorbandbreiten
°URSI Kleinheub. Ber. 39, 727, 1996

°Hunter D., Wilcots E.M., van Woerden H., Gallagher J.S., Kohle S.:
°The Nature of the Extended H i Gas around NGC 4449: The Dr. Jekyll/Mr. Hyde of Irregular Galaxies
° ApJ 495, l47, 1998

°Hüttemeister, S., Dahmen, G., Mauersberger, R., Henkel, C., Martin-Pintado, J.:
°Molecular gas in the Galactic center region III: Probing shocks in molecular cores
°A&A 334, 646, 1998

°Hüttemeister, S., Dahmen, G., Wilson, T.L., Mauersberger, R.:
°Molecular gas in the Galactic center region II: Gas mass and N(H_2)/I(CO) conversion based on a C^18O Survey
°A&A 331, 959, 1998

°Hüttemeister, S., Mauersberger, R., Henkel, C:
°Dense gas in nearby galaxies X. H_2CO and CH_3OH: Molecular abundances and physical conditions
°A&A 326, 59, 1997

°Kalberla P.,M.W., Westphalen G., Mebold U., Hartmann Dap, Burton W.B.:
° The Galactic HI Halo
°Proceedings of the IAU Colloquium No. 166 ``The Local Bubble and Beyond'', Eds. D. Breitschwerdt, M.J. Freyberg, J. Trümper, Lecture Notes in Physics 506, 479, 1998

°Kalberla P.M.W., Kerp J.:
°Hydrostatic Equilibrium Conditions in the Galactic Halo
°A&A 339, 745, 1998

°Kalberla P.M.W., Pietz J., Kerp J:
°The Galactic Halo in Hydrostatic Equilibrium
°Proceedings of the IAU Colloquium No. 166 ``The Local Bubble and Beyond'', Eds. D. Breitschwerdt, M.J. Freyberg, J. Trümper, Lecture Notes in Physics 506, 475, 1998

°Kalberla P.M.W., Westphalen G., Mebold U., Hartmann Dap, Burton W.B.:
°HI in the Galactic Halo
°A&A 332, L61, 1998

°Karl, J., Pätzold, M., Bird, M.K:
°Coronal radio sounding: Non-Gaussian turbulence in the source regions of slow and fast solar wind
°Geophys. Res. Lett. 24, 2881, 1997

°Kerp J.,, Pietz J., Kalberla P.M.W., Burton W.B., Egger R., Freyberg M.J., Hartmann Dap, Mebold U:
° High-Velocity Clouds and their Soft X-ray Emission
°Proceedings of the IAU Colloquium No. 166 ``TheLocal Bubble and Beyond'', Eds. D. Breitschwerdt, M.J. Freyberg, J. Trümper, Lecture Notes in Physics 506, 457, 1998

°Kerp J., Pietz J.:
°Neutral Clouds Within the Local X-ray Plasma
°Proceedings of the IAU Colloquium No. 166 ``TheLocal Bubble and Beyond'', Eds. D. Breitschwerdt, M.J. Freyberg, J. Trümper, Lecture Notes in Physics 506, 165, 1998

°Kerp J., Pietz J.:
°The Radiation Transfer of Soft X-rays
°Proceedings of the IAU Colloquium No. 166 ``The Local Bubble and Beyond'', Eds. D. Breitschwerdt, M.J. Freyberg, J. Trümper, Lecture Notes in Physics 506, 337, 1998

°Kerp, J., Mack, K.-H., Egger, R., Pietz, J., Zimmer, F., Mebold, U., Burton, B., Hartmann, D.:
°High-velocity clouds impacting onto the Galactic disk: A new class of X-ray emitting objects
°A&A 312, 67, 1996

°Kissler-Patig, M., Kohle, S., Hilker, M., Richtler, T., Infante, L, Quintana, H.:
°Globular cluster systems of early-type galaxies in Fornax
°A&A 319, 470, 1997

°Klein, U., Hummel, E., Bomans, D.J., Hopp, U.:
°The Synchrotron Halo and Magnetic Field of NGC4449
°A&A 313, 396,1996

°Klein, U., Sijbring, L. G., Mack K.-H.:
°Kopf-Schwanz-Radiogalaxien - Proben für das intergalaktische Medium
°Sterne und Weltraum, 35, 12, 1996

°Klein, U., Vigotti, M., Gregorini, L., Reuter, H.-P., Mack, K.-H., Fanti, R.:
°High-redshift B3 radio sources at 1.3 mm wavelength
°A&A 313, 417, 1996

°Mack K.-H., Kerp J., Klein U:
°The X-ray jet and halo of NGC6251
°A&A 324, 870, 1997

°Mack K.-H., Klein U., O'Dea C.P., Willis A.G., Saripalli L.:
°Spectral indices, particle ageing, and the ambient medium of giant radio galaxies
°A&A 329, 431, 1998

°Mack K.-H., Klein U., O'Dea C.P., Willis A.G.:
°A catalogue of compact radio sources in and behind the Large Magellanic Cloud
°A&AS, 126, 325, 1997

°Marx, M., Dickey, J. M., Mebold, U:
°A catalogue of compact radio sources in and behind the Large Magellanic Cloud
°A&AS, 126, 325, 1997

°Marx, M.:
°Kalte Wasserstoffwolken vor unserer Haustuer. Ein Blick ins Innere der Grossen Magellanschen Wolke
°S&W, 36, 34, 1997

°Mebold U., Kerp J., Kalberla P.M.W.:
°Radio, Millimeter and Infrared Observations of the Local Hot Bubble and Its Environment
°Proceedings of the IAU Colloquium No. 166 ``The Local Bubble and Beyond'', Eds. D. Breitschwerdt, M.J. Freyberg, J. Trüumper, Lecture Notes in Physics 506, 199, 1998

°Mebold, U., Düsterberg, C., Dickey, J. M., Staveley-Smith, L., Kalberla, P.M.W:
°HI Clouds in the Large Magellanic Cloud, Cooler than in the Galaxy?
°ApJ, 490, L65, 1997

°Meyerdierks H., Heithausen A.:
°Diffuse molecular gas in the Polaris flare
°A&A 313, 929, 1996

°Neininger N., Guélin M., Klein U., Garcia-Burillo S., Wielebinski R.:
°^13CO at the centre of M 82
° A&A 339, 737, 1998

°Neininger N., Guélin M., Lucas R., Ungerechts H., Wielebinski R.:
°Carbon monoxide emission as a precise tracer of molecular gas in the Andromeda galaxy
°Nature 395, 871, 1998

°Neininger, N., Guélin, M., Garcia-Burillo, S., Zylka, R., Wielebinski,R.:
°Cold dust and molecular line emission in NGC 4565
°A&A, 310, 725, 1996

°Niklas, S., Klein, U., Wielebinski, R.:
°A radio continuum survey of Shapeley-Ames galaxies at 2.8 cm. Paper II: Separation of thermal and non-thermal radio emission
°A&A 322, 19, 1997

°Parma, P., de Ruiter, H., Mack, K.-H., van Breugel, W., Dey, A., Fanti, R., Klein, U.:
°1385+305: A giant radio galaxy at z=0.206
°AA, 311, 49, 1996

°Pätzold M.,, Bird M.K.:
°The Pioneer 6 Faraday rotation transients - On the interpretation of coronal Faraday rotation data
°Geophys. Res. Lett. 25, 2105, 1998

°Pätzold M., Bird M.K.:
°Polar plumes and fine-scale coronal structures - On the interpretation of coronal radio sounding data
°Geophys. Res. Lett. 25, 1845, 1998

°Pätzold, M., Karl, J., Bird, M.K:
°Coronal radio sounding with Ulysses: Dual-frequency phase scintillation spectra in coronal holes and streamers
°A&A 316, 449, 1996

°Pätzold, M., Tsurutani, B.T., Bird, M.K:
°An estimate of large-scale solar wind density and velocity profiles in a coronal hole and the coronal streamer belt
°J. Geophys. Res. 102, 24,151, 1997

°Pietz J., Kerp J., Kalberla P.M., Burton W.B., Hartmann Dap, Mebold U.:
°The Galactic X-ray Halo
°Proceedings of the IAU Colloquium No. 166 ``The Local Bubble and Beyond'', Eds. D. Breitschwerdt, M.J. Freyberg, J. Trümper, Lecture Notes in Physics 506, 471, 1998

°Pietz J., Kerp J., Kalberla P.M.W., Burton W.B., Hartmann Dap., Mebold U.:
° The Galactic X-ray Halo
A&A 332, 585, 1998

°Pietz J., Kerp J., Kalberla P.M.W., Mebold U., Burton W.B., Hartmann D.:
°HI Velocity bridges: signature of HVC interaction with the Galactic halo
°A&A 308, L 37, 1996

°Rafanelli, P., Schulz, H., Barbieri, C., Komossa, S., Mebold, U.:
°Subarcsec structures in the double nucleus of NGC 6240 disclosed with HST at 370, 430 and 500 nm
°A&A 327, 901, 1997

°Reuter, H.-P., Klein, U.:
°Two-frequency determination of the B-field orientation of radio sources
°A&A 313, 768, 1996

°Rottmann, H., Mack, K.-H., Klein, U., Wielebinski, R.:
°The Radio Lobes of Virgo A at 2.8 cm wavelength
°A&A 309, L 19, 1996

°Ryder, S. D., Zasov, A., McIntyre, V., Walsh, W.:
°The declining rotation curve of NGC 157
°PASA 14, 85R, 1997

°Ryder, S., Zasov, A., Mcintyre, V., Walsh, W., Sil'chenko, O.:
°Peculiar Rotation Curve of NGC157 1998
°MNRAS 293, 411, 1998

°Saripalli, L., Mack, K.-H., Klein, U., Strom, R., Singal, A:
°A high-frequency radio continuum investigation of giant radio galaxies: II. Observations of four objects at 2.8 cm wavelength
°A&A 306, 708, 1996

°Schoenmakers A.P., Mack K.-H.,, Lara L., Röttgering H.J.A., de Bruyn A.G., van der Laan H., Giovannini G.:
°WNB 0313+683: Analysis of a newly discovered Giant Radio Galaxy
°A&A 336, 455, 1998

°Schwarz U.J., Goss W.M., Kalberla P.M.W:
°WSRT HI synthesis absorption study towards Cassiopeia A
°A&AS 123, 43, 1997

°Stark R., Kalberla P.M.W., Guesten R:
°Detection of CH 3.3GHz emission from the intermediate-velocity cloud G90+39 (Draco).
°A&A 317, 907, 1997

°Stutzki, J., Bensch, F., Heithausen, A., Ossenkopf V., Zielinsky M.:
°On the fractal structure of molecular clouds
°A&A 336, 697, 1998

°van Woerden H.,, Wakker B.P.,, Schwarz U.J.,, Peletier R.F.,, Kalberla P.M.W.:
°The High-Velocity Clouds: Galactic or Extragalatic?
°Proceedings of the IAU Colloquium No. 166 The Local Bubble and Beyond, Eds. D. Breitschwerdt, M.J. Freyberg, J. Trümper, Lecture Notes in Physics 506, 467, 1998

°Volland H.:
°Electrodynamic coupling between neutral atmosphere and ionosphere, Modern Ionospheric Science, H. Kohl et al.
°European Geophys. Soc., Katlenburg-Lindau, 102, 1996

°Volland, H.:
°Atmosphere and Earth's rotation
°Surv. Geophys. 17(1), 101, 1996

°Wakker B., van Woerden H., de Boer K.S., Kalberla P.M.W.:
°A Lower Limit to the Distance of High-Velocity Cloud Complex H
°ApJ 493, 762, 1998

°Wakker, B., Howk, C., Schwarz, U., van Woerden, H., Beers, T., Wilhelm, R., Kalberla, P., Danly, L.:
°The distance to two neutral hydrogen clouds: The High-Velocity Complex A and the low-latitude intermediate-velocity cloud
°ApJ 473, 834, 1996

°Walsh, W., Staveley-Smith, L., Oosterloo, T.:
°The giant gas rich low-surface-brightness galaxy NGC 289
°AJ 113, 1591, 1997

°Walter F., Brinks E., Duric N., Klein U.:
°A Dynamical Analysis of the HII Galaxy II Zwicky 33 and its Low Surface Brightness Companion
°AJ, 113, 2031, 1997

°Walter F., Kerp J., Duric N., Brinks E., Klein, U.:
°X-ray Emission from an Expanding Supergiant Shell in IC 2574
°ApJ 502, L143, 1998

°Wohlmuth, R., Plettemeier, D., Edenhofer, P., Bird, M.K., Pätzold, M., Asmar, S.W:
°Measurement of the propagation speed of plasma inhomogenieties in the solar corona using an uplink/downlink correlation method
°Radio Sci. 32, 617, 1997

°Wouterloot J.G.A., Lingman A., Miller M., Vowinkel B., Winnewisser G., Wyrowski F.:
°HCN, CO, CS, CN, and CO$^+$ observations of comet Hyakutake (1996 B2)
°Planetary and Space Science 46, 579, 1998

°Zimmer F., Lesch H., Birk G.T:
°Dissipation of Magnetic Fields in the Galactic Halo
° A&A 320, 746, 1997

°Zimmer, F., Birk, G., Kerp, J., Lesch, H:
°Magnetic Heating of the Glactic Halo
°Astrophysical Letters & Communications, Vol.34, 1-6, 193-198, 1996


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