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M.Sc. Sebastian Halsig

Wissenschaftlicher Mitarbeiter

Institut für Geodäsie und Geoinformation
Professur für Geodäsie

Lehre / Teaching
  • Übung zu Geodätische Messtechnik (1.+2. Fachsemester B.Sc. GuG) 
  • Topographisches Praktikum zu  Geodätische Messtechnik (2. Fachsemester B.Sc. GuG)  
  • Bachelorarbeiten  (6. Fachsemester B.Sc. GuG) 
  • Blockmodule (2.+3. Fachsemester M.Sc. GuG) 
  • Wahlpflichtmodul M26 - VLBI für geodätische und geodynamische Anwendungen (2. Fachsemester M.Sc. GuG)
  • Masterprojekt Space Geodesy Simulator Bonn (2. und 3. Fachsemester M.Sc. GuG)
  • Masterarbeiten (4. Fachsemester M.Sc. GuG)
Forschung / Research
  • Turbulenzbeobachtungen im Zusammenhang mit VLBI- und GPS-Messungen
  • Untersuchungen des Refraktionsverhaltens in der Atmosphäre und Refraktionsmodellierung
  • Entwicklung der VLBI-Auswertesoftware ivg::ASCOT
Veröffentlichungen / Publications

2017

  • Corbin, A., Halsig, S., Iddink, A., Jaron, Nothnagel, A. (2017) Automated ambiguity resolution with clustering and analysis of Intensive Sessions within ivg::ASCOT, In: Haas, R., Elgered, G. (eds.) Proceedings of the 23nd European VLBI Group for Geodesy and Astrometry Working Meeting, Gothenburg, Sweden, May 15-19 2017, 238 - 242

  • Halsig, S., Corbin, A., Iddink, A., Jaron, F., Schubert, T., Nothnagel, A. (2017) Current development progress in ivg::ASCOT - A new VLBI analysis software, In: Haas, R., Elgered, G. (eds.) Proceedings of the 23nd European VLBI Group for Geodesy and Astrometry Working Meeting, Gothenburg, Sweden, May 15-19 2017, 167-171
  • Jaron, F., Halsig, S., Iddink, T., Nothnagel, A., McCallum, L. (2017) Near-Field VLBI Delay Models - Implementation and Testing, In: Haas, R., Elgered, G. (eds.) Proceedings of the 23nd European VLBI Group for Geodesy and Astrometry Working Meeting, Gothenburg, Sweden, May 15-19 2017, 195 - 199
  • Schubert, T. , Halsig, S., Iddink, A., Jaron, F., Nothnagel, A. (2017) Stochastic estimation of ZWD parameter in VLBI data analysis using a Square-Root Information Filter, In: Haas, R., Elgered, G. (eds.) Proceedings of the 23nd European VLBI Group for Geodesy and Astrometry Working Meeting, Gothenburg, Sweden, May 15-19 2017, 261 - 264

2016

  • Artz, T., Halsig, S., Iddink, A., Nothnagel, A. (2016) ivg::ASCOT: Development of a New VLBI Software Package, In: D Behrend. KD Baver, K Armstrong (eds.), International VLBI Service for Geodesy and Astrometry 2016 General Meeting Proceedings, NASA/CP–2016–219016, Greenbelt MD, 217 - 221

  • Artz, T., Halsig, S., Iddink, A., Nothnagel, A., Tegtmeier, C.  (2016) Constraining Least-Squares VLBI Solutions, In: D Behrend. KD Baver, K Armstrong (eds.), International VLBI Service for Geodesy and Astrometry 2016 General Meeting Proceedings, NASA/CP–2016–219016, Greenbelt MD, 193 - 197

  • Haas, R., Halsig, S., Han, S., Iddink, A., Jaron, F., La Porta, L., Lovell, J., Neidhardt, A., Nothnagel, A., Plötz, C., Tang, G., Zhang, Z. (2016)
    Observing the Chang'E-3 Lander with VLBI (OCEL)
    , In: Nothnagel,~A., Jaron,~F. (eds.) Proceedings of the First International Workshop on VLBI Observations of Near-field Targets, Bonn, Germany, October 5 - 6, 2016, Schriftenreihe des Inst. f. Geod\"asie u. Geoinformation, Vol. 54, ISSN 1864-1113, 2016.
  • Halsig, S., Artz, T., Iddink, A., Nothnagel, A. (2016) Using an atmospheric turbulence model for the stochastic model of geodetic VLBI data analysis, Earth, Planets and Space, 68(1), 1-14, DOI 10.1186/s40623-016-0482-5

  • Halsig, S., Artz, T., Iddink, A., Nothnagel, A.  (2016) An Inequality Constrained Least-Squares Approach as an Alternative Estimation Procedure for Atmospheric Parameters from VLBI Observations, In: D Behrend. KD Baver, K Armstrong (eds.), International VLBI Service for Geodesy and Astrometry 2016 General Meeting Proceedings, NASA/CP–2016–219016, Greenbelt MD, 326 - 330

  • Halsig, S., Roese-Koerner, L., Artz, T., Nothnagel, A., Schuh, W.D. (2016) Improved Parameter Estimation of Zenith Wet Delays Using an Inequality Constrained Least Squares Method, International Association of Geodesy Symposia 143, C. Rizos, P. Willis (eds.), IAG 150 Years, Springer International Publishing Switzerland, 69-74, ISBN 978-3-319-24603-1, DOI 10.1007/978-3-319-30895-1

  • Jaron, F., Halsig, S., Iddink, A., Nothnagel, A., Plank, L. (2016)
    Near-Field VLBI Delay Models
    , In: Nothnagel,~A., Jaron,~F. (eds.) Proceedings of the First International Workshop on VLBI Observations of Near-field Targets, Bonn, Germany, October 5 - 6, 2016, Schriftenreihe des Inst. f. Geod\"asie u. Geoinformation, Vol. 54, ISSN 1864-1113, 2016.
  • Schüler, T., Plötz, C., Mähler, S., Klügel, T., Neidhardt, A., Bertarini, A., Halsig, S., Nothnagel, A., Lösler, M., Eschelbach, C., Anderson, J.  (2016) First Local Ties from Data of the Wettzell Triple Radio Telescope Array, In: D Behrend. KD Baver, K Armstrong (eds.), International VLBI Service for Geodesy and Astrometry 2016 General Meeting Proceedings, NASA/CP–2016–219016, Greenbelt MD, 149 – 153

2015

  • Artz, T., Halsig, S., Iddink, A., Nothnagel, A. (2015) Numerical Issues of VLBI Data Analysis, Proceedings of the 22nd European VLBI Group for Geodesy and Astrometry Working Meeting, Ponta Delgada; May 18-21, 2015, Ed. by R. Haas and F. Colomer, S. 181-184, ISBN 978-989-20-6191-7
  • Halsig, S., Artz, T., Iddink, A., Nothnagel, A. (2015) Augmenting the stochastic model in VLBI data analysis by correlations from atmospheric turbulence model, Proceedings of the 22nd European VLBI Group for Geodesy and Astrometry Working Meeting, Ponta Delgada; May 18-21, 2015, Ed. by R. Haas and F. Colomer, S 201-204 ISBN 978-989-20-6191-7
  • Schüler, T., Kronschnabl, G., Plötz, C., Neidhardt, A., Bertarini, A., Bernhart, S., La Porta, L., Halsig, S., Nothnagel, A. (2015) Initial Results Obtained with the First TWIN VLBI Radio Telescope at the Geodetic Observatory Wettzell, Sensors 2015, 15, 18767-18800; ISSN 1424-8220; doi:10.3390/s150818767
  • Schüler, T., Kronschnabel, G., Neidhardt, A., Plötz, C., Bertarini, A., La Porta, L., Bernhart, S., Müskens, A., Halsig, S., Nothnagel, A. (2015) Results from the TWIN Commissioning Phase, Proceedings of the 22nd European VLBI Group for Geodesy and Astrometry Working Meeting, Ponta Delgada; May 18-21, 2015, Ed. by R. Haas and F. Colomer, S 15-19, ISBN 978-989-20-6191-7

2014

  • Halsig, S., Artz, T., Leek, J., Nothnagel, A.  (2014) VLBI analyses using covariance information from turbulence models, IVS 2014 General Meeting Proceedings, "VGOS: The New VLBI Network", D Behrend, KD Baver, and KL Armstrong (eds.), Science Press (Beijing), 272-276, ISBN 978-7-03-042974-2

2013

  • Halsig, S., Ernst, A., Schuh, W.D. (2013) Ausgleichung von Höhennetzen aus mehreren Epochen unter Berücksichtigung von Bodenbewegungen, zfv - Zeitschrift für Geodäsie, Geoinformation und Landmanagement, 4/2013, 288 - 296

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