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46 results on '"Ute Eßer"'

1. Literature 1997, Part 1

Author

Lutz D. Schmadel, V. R. Matas, W. Hofmann, Roland Wielen, Ute Esser, Inge Heinrich, Gert Zech, G. Burkhardt, and H. Hefele

Published
1998
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2. Author, Subject, and Object Indexes

Author

Dietlinde Krahn, Lutz D. Schmadel, V. R. Matas, Gert Zech, Roland Wielen, Inge Heinrich, H. Hefele, W. Hofmann, Ute Esser, and G. Burkhardt

Subjects
Computer science, business.industry, Object (grammar), Subject (philosophy), Computer vision, Artificial intelligence, business
Published
1994
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3. Literature 1992, Part 1

Author

W. Hofmann, Lutz D. Schmadel, H. Hefele, V. R. Matas, Roland Wielen, Ute Esser, Gert Zech, Dietlinde Krahn, Inge Heinrich, and G. Burkhardt

Published
1993
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4. Interstellar Matter, Nebulae

Author

Ute Esser, S. Böhme, Gert Zech, Dietlinde Krahn, Lutz D. Schmadel, Walter Fricke, Inge Heinrich, V. R. Matas, H. Hefele, and W. Hofmann

Subjects
Interstellar medium, Physics, Star formation, Reflection nebula, Dark nebula, Molecular cloud, Interstellar cloud, Astronomy, White dwarf, Emission spectrum, Astrophysics
Abstract

Using the echelle-A grating of the GHRS, the authors have observed the C II λλ1335, 1336 emission lines of the nearby (d = 13.3 pc) star system Capella (G8 III + G1 III). Interstellar C II absorption features are detected within both stellar emission lines. The ground state and excited state C II column densities derived from these absorption lines imply an electron density of n e = 0.11 (+0.12, -0.06) cm 3 in the local interstellar medium (LISM). Unlike previous derivations of n e from Mg II/ Mg I ratios, the density suggested by the C II lines is independent of assumptions about ionization equilibrium. Current estimates of the H I density in the LISM are in the range 0.1 – 0.2 cm-3. The He I/H I ratio toward the white dwarf G191-B2B, which is only 7° from Capella, has been measured to be 0.068 – 0.082 from Extreme Ultraviolet Explorer data. These results indicate hydrogen and helium ionization fractions toward Capella of X(H) = 0.45±0.25 and X(He) = 0.57± 0.23, respectively, confirming that hydrogen and helium are substantially ionized in the LISM. (43 Ref.)

Published
1992
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5. Literature 1991, Part 2

Author

Lutz D. Schmadel, Inge Heinrich, W. Hofmann, Roland Wielen, H. Hefele, G. Burkhardt, Ute Esser, V. R. Matas, Gert Zech, and Dietlinde Krahn

Published
1992
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6. Literature 1989, Part 1

Author

Ute Esser, Lutz D. Schmadel, Gert Zech, Dietlinde Krahn, Inge Heinrich, V. R. Matas, H. Hefele, G. Burkhardt, W. Hofmann, and Roland Wielen

Published
1990
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7. Introduction

Author

S. Böhme, Ute Esser, Walter Fricke, U. Güntzel-Lingner, I. Heinrich, D. Krahn, Lutz D. Schmadel, and G. Zech

Published
1977
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8. Concordance Relation

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Wilfried Hofmann, Dietlinde Krahn, Dorothea Rosa, Lutz D. Schmadel, and Gert Zech

Published
1979
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9. Sun

Author

S. Böhme, Ute Esser, Walter Fricke, U. Güntzel-Lingner, I. Heinrich, D. Krahn, Lutz D. Schmadel, and G. Zech

Published
1977
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10. Planetary System

Author

S. Böhme, Ute Esser, Walter Fricke, U. Güntzel-Lingner, I. Heinrich, D. Krahn, Lutz D. Schmadel, and G. Zech

Published
1988
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11. Earth

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Dietlinde Krahn, Lutz D. Schmadel, and Gert Zech

Published
1978
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12. Stars

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Ulrich Güntzel-Lingner, Inge Heinrich, Frieda Henn, Dietlinde Krahn, Lutz Schmadel, Hans Scholl, and Gert Zech

Published
1976
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13. Introduction

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Wilfried Hofmann, Dietlinde Krahn, Dorothea Rosa, Lutz D. Schmadel, and Gert Zech

Published
1980
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14. Abbreviations

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Wilfried Hofmann, Dietlinde Krahn, Dorothea Rosa, Lutz D. Schmadel, and Gert Zech

Published
1980
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15. Stars

Author

S. Böhme, Ute Esser, Walter Fricke, U. Güntzel-Lingner, I. Heinrich, D. Krahn, Lutz D. Schmadel, and G. Zech

Published
1977
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17. Sun

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Ulrich Güntzel-Lingner, Inge Heinrich, Frieda Henn, Dietlinde Krahn, Lutz Schmadel, Hans Scholl, and Gert Zech

Published
1976
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18. Applied Mathematics, Physics

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Ulrich Güntzel-Lingner, Inge Heinrich, Frieda Henn, Dietlinde Krahn, Lutz Schmadel, Hans Scholl, and Gert Zech

Published
1985
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19. Abbreviations

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Ulrich Güntzel-Lingner, Inge Heinrich, Frieda Henn, Dietlinde Krahn, Lutz Schmadel, Hans Scholl, and Gert Zech

Published
1976
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21. Positional Astronomy, Celestial Mechanics

Author

S. Böhme, Dietlinde Krahn, Gert Zech, Walter Fricke, Ute Esser, Frieda Henn, H. Scholl, and Ulrich Güntzel-Lingner

Subjects
Physics, Proper motion, media_common.quotation_subject, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, Astrometry, Astrophysics, Celestial mechanics, Interferometry, Sky, Spherical astronomy, Very-long-baseline interferometry, Astrophysics::Solar and Stellar Astrophysics, Astrophysics::Earth and Planetary Astrophysics, Terrestrial reference frame, Astrophysics::Galaxy Astrophysics, media_common
Abstract

The authors present a method for performing global astrometry with the proposed Orbiting Stellar Interferometer. Because it is dedicated to wide-angle astrometry, OSI has the intrinsic capabilities to achieve global astrometry, even though it doesn’t measure directly relative angles between pairs of stars, such as HIPPARCOS. In this paper, a time-independent model is shown, leading to a coherent solution for the positions of reference stars on the whole sky. With an initial measurement accuracy of 10 micro-arcseconds, corresponding to an accuracy of 340 picometers in the knowledge of the delay-line position of the observing interferometer, the consistent least-squares solution gives an accuracy by which the astrometric parameters can be obtained around 2–3 micro-arcseconds. (5 Ref.)

Published
1981
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22. Literature 1987, Part 1

Author

Lutz D. Schmadel, Dietlinde Krahn, W. Hofmann, S. Böhme, V. R. Matas, H. Hefele, Inge Heinrich, Ute Esser, and Gert Zech

Published
1987
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23. Sun

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Dietlinde Krahn, Lutz D. Schmadel, and Gert Zech

Published
1978
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24. Stars

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Wilfried Hofmann, Dietlinde Krahn, Dorothea Rosa, Lutz D. Schmadel, and Gert Zech

Published
1980
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25. Earth

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Ulrich Güntzel-Lingner, Inge Heinrich, Frieda Henn, Dietlinde Krahn, Lutz Schmadel, Hans Scholl, and Gert Zech

Published
1976
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26. Stars

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Wilfried Hofmann, Dietlinde Krahn, Dorothea Rosa, Lutz D. Schmadel, and Gert Zech

Published
1979
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27. Author and Subject Indexes

Author

Inge Heinrich, Lutz D. Schmadel, Gert Zech, Dorothea Rosa, W. Hofmann, Walter Fricke, S. Böhme, Ute Esser, and Dietlinde Krahn

Subjects
business.industry, Medicine, Physiology, Subject (documents), business, Epistemology
Published
1979
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30. Sun

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Wilfried Hofmann, Dietlinde Krahn, Dorothea Rosa, Lutz D. Schmadel, and Gert Zech

Published
1979
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31. Introduction

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Ulrich Güntzel-Lingner, Inge Heinrich, Frieda Henn, Dietlinde Krahn, Lutz Schmadel, Hans Scholl, and Gert Zech

Published
1976
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32. Author Index

Author

Ute Esser, Inge Heinrich, Frieda Henn, Dietlinde Krahn, Hans Scholl, and Gert Zech

Published
1976
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34. Sun

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Wilfried Hofmann, Dietlinde Krahn, Dorothea Rosa, Lutz D. Schmadel, and Gert Zech

Published
1980
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35. Earth

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Wilfried Hofmann, Dietlinde Krahn, Dorothea Rosa, Lutz D. Schmadel, and Gert Zech

Published
1980
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36. Introduction

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Dietlinde Krahn, Lutz D. Schmadel, and Gert Zech

Published
1978
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37. Introduction

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Wilfried Hofmann, Dietlinde Krahn, Dorothea Rosa, Lutz D. Schmadel, and Gert Zech

Published
1979
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38. Abbreviations

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Dietlinde Krahn, Lutz D. Schmadel, and Gert Zech

Published
1978
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39. Stars

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Dietlinde Krahn, Lutz D. Schmadel, and Gert Zech

Published
1978
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41. Abbreviations

Author

S. Böhme, Ute Esser, Walter Fricke, U. Güntzel-Lingner, I. Heinrich, D. Krahn, Lutz D. Schmadel, and G. Zech

Published
1977
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43. Earth

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Wilfried Hofmann, Dietlinde Krahn, Dorothea Rosa, Lutz D. Schmadel, and Gert Zech

Published
1979
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44. Space Research

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Inge Heinrich, Wilfried Hofmann, Dietlinde Krahn, Dorothea Rosa, Lutz D. Schmadel, and Gert Zech

Published
1982
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45. Stellar Systems

Author

Siegfried Böhme, Ute Esser, Walter Fricke, Ulrich Güntzel-Lingner, Inge Heinrich, Frieda Henn, Dietlinde Krahn, Lutz Schmadel, Hans Scholl, and Gert Zech

Published
1975
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46. Earth

Author

S. Böhme, Ute Esser, Walter Fricke, U. Güntzel-Lingner, I. Heinrich, D. Krahn, Lutz D. Schmadel, and G. Zech

Published
1977
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