Homepage of Enrico Gerlach

Main research interests

Earth rotation, numerical integration, chaos detection methods, exoplanets, nonlinear dynamical systems, astrometry of minor planets

Scientific career

• 1997-2001
  Study of geodesy at HTW Dresden

• 2001
  diploma thesis: "Die Linien und Geoglyphen in der Pampa von Nasca - Astronomische Untersuchungen zur Überprüfung der Kalendertheorie"

• 2001-2003
  executive engineer of the astro-geodetic field work at the border demarcation project between the kingdom of Saudi Arabia and the republic Yemen

• 2003-2008
  researcher for the DFG project "Chaos and resonances in the Edgeworth-Kuiper belt"

• 2008
  Graduation. Thesis: Stabilitätsuntersuchungen an Asteroidenbahnen in ausgewählten Bahnresonanzen des Edgeworth-Kuiper-Gürtels

• since october 2008
  scientific staff member at the Lohrmann observatory

teaching

• Basic numerical computations in C (programming excercise, bachelor level): 2004-2006
• Physics I & II for geodesy (excercises at bachelor level): 2011 - today
• Practical astronomical observations (excercises for astronomy teachers): 2012 - today
• Earth rotation (lectures and exercises, master level): 2013 - today
• Astronomical reference systems (lecture for bachelor): SS 2014
• scientific supervisor of various bachelor theses

Publications

43 Entries

2021

• Gaia Early Data Release 3: The astrometric solutionGaia Collaboration, Lindegren, L., Klioner, S. A., Hernández, J., Bombrun, A., Ramos-lerate, M., Steidelmüller, H. & 44 others, 1 May 2021, In: Astronomy & astrophysics. 649, 35 p., A2Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Gaia Early Data Release 3: The Gaia Catalogue of Nearby StarsGaia Collaboration, Smart, R. L., Sarro, L. M., Rybizki, J., Reylé, C., Robin, A. C., Hambly, N. C. & 44 others, 1 May 2021, In: Astronomy & astrophysics. 649, 44 p., A6Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Gaia Early Data Release 3: Structure and properties of the Magellanic CloudsGaia Collaboration, Luri, X., Chemin, L., Clementini, G., Delgado, H. E., Mcmillan, P. J., Romero-gómez, M. & 44 others, 1 May 2021, In: Astronomy & astrophysics. 649, 35 p., A7Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Gaia Early Data Release 3: The Galactic anticentreGaia Collaboration, Antoja, T., Mcmillan, P. J., Kordopatis, G., Ramos, P., Helmi, A., Balbinot, E. & 44 others, 1 May 2021, In: Astronomy & astrophysics. 649, 38 p., A8Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Gaia Early Data Release 3: Summary of the contents and survey propertiesGaia Collaboration, Brown, A. G. A., Vallenari, A., Prusti, T., De Bruijne, J. H. J., Babusiaux, C., Biermann, M. & 44 others, 28 Apr 2021, In: Astronomy & astrophysics. 649, 20 p., A1Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Gaia Early Data Release 3: Acceleration of the Solar System from Gaia astrometryGaia Collaboration, Klioner, S. A., Mignard, F., Lindegren, L., Bastian, U., Mcmillan, P. J., Hernández, J. & 44 others, 28 Apr 2021, In: Astronomy & astrophysics. 649, 19 p., A9Electronic (full-text) versionResearch output: Contribution to journal > Research article

2020

• Chaotic dynamics of graphene and graphene nanoribbonsHillebrand, M., Manda, B. M., Kalosakas, G., Gerlach, E. & Skokos, C., Jun 2020, In: Chaos: An Interdisciplinary Journal of Nonlinear Science. 30, 6, 063150 Electronic (full-text) versionResearch output: Contribution to journal > Research article

2016

• NO EVIDENCE FOR ACTIVITY CORRELATIONS IN THE RADIAL VELOCITIES OF KAPTEYN'S STARAnglada-Escude, G., Tuomi, M., Arriagada, P., Zechmeister, M., Jenkins, J. S., Ofir, A., Dreizler, S. & 14 others, 20 Oct 2016, In: Astrophysical Journal. 830, 2, 7 p., 74Electronic (full-text) versionResearch output: Contribution to journal > Research article
• On the symplectic integration of the discrete nonlinear Schrödinger equation with disorderGerlach, E., Meichsner, J. & Skokos, C., 1 Sep 2016, In: European physical journal special topics : ST. 225, 6-7, p. 1103-1114, 12 p.Electronic (full-text) versionResearch output: Contribution to journal > Research article

2015

• The astrometric Gaia-FUN-SSO observation campaign of 99942 ApophisThuillot, W., Bancelin, D., Ivantsov, A., Desmars, J., Assafin, M., Eggl, S., Hestroffer, D. & 67 others, 1 Nov 2015, In: Astronomy and Astrophysics. 583, 12 p., A59Electronic (full-text) versionResearch output: Contribution to journal > Research article

This information is provided by the FIS.

Presentations

2014

• 15.04.; Lehrerfortbildung des Freistaates Sachsen, Max Planck Institute for the Physics of Complex Systems, Dresden, Germany; "Kosmische Kleinkörper in unserem Sonnensystem".

2013

• 19.06.; Methods of Chaos Detection and Predictability: Theory and Applications, Max Planck Institute for the Physics of Complex Systems, Dresden, Germany; "On the numerical integration of ariational equations".

2012

• 09.10.; Geodätische Woche, Hannover, Germany; "Eine neue numerische Theorie von Präzession und Nutation der Erde".
• 30.08.; IAU General Assembly - Comission 19, Beijing, China; "A new theory of precession and nutation for the Earth".
• 28.08.; IAU General Assembly - Joint Discussion 7, Beijing, China; "A new numerical theory of Earth rotation".
• 22.02.; Meeting of research group FOR 584, Frankfurt/M., Germany; "Statusreport P3: Die elastische Erde".

2011

• 24.02.; Meeting of research group FOR 584, Vienna, Austria; "Geodätische Präzession für Körper des Sonnensystems; Stand der Präzessions-/Nutationstheorie einer nicht-starren Erde".
• 24.03.: 8th Alexander von Humboldt Colloquium for Celestial Mechanic, Bad Hofgastein, Austria;"On the numerical integration of variational equations"

2010

• 13.01.; Geodätisches Doktorandenseminar, TU Dresden; "Eine relativistische Theorie der Präzession und Nutation einer starren Erde".
• 12.03.; Lohrmann seminar; "Different ways to approach the non-rigid Earth".
• 22.03.; Meeting of research group FOR 584, Berlin; "Parameterwahl für das relativistische Erdmodell".
• 04.05.; EGU General Assembly, Vienna; "A consistent relativistic theory of Earth rotation".
• 10.09.; Lohrmann seminar; "The numerical integration of variational equations".

2009

• 23.10.; Lohrmann seminar; "Modelling the rotational motion of a rigid Earth in a relativistic framework - An overview".
• 29.10.; Meeting of research group FOR 584, Munich; "Projekt P3 - Relativistische Theorie der Präzessions- und Nutationsbewegung einer starren Erde".

2008

• 17.01.; Astrodynamic seminar, University of Vienna; "Säkulare Dynamik von Exoplaneten und nahe Begegnungen".
• 11.06.; Geodätisches Doktorandenforum, TU Dresden; "Chaos und Resonanzen in der Himmelsmechanik".
• 24.10.; Verteidigung der Dissertation, TU Dresden; "Stabilitätsuntersuchungen an Asteroidenbahnen in ausgewählten Bahnresonanzen des Edgeworth-Kuiper-Gürtels".

2007

• 19.01.; Lohrmann seminar; "Numerical simulation of chaotic systems in celestial mechanics".
• 23.02.; Lohrmann seminar; "Symplectic integration methods - An overview".
• 26.10.; EXOPLANETS: Detection, Formation and Dynamics, IAU Symposium No. 249, Oct. 22-26, 2007, Suzhou, China; "Secular evolution of exoplanetary systems and close encounters".

Poster

2009

• Klioner, S., Soffel, M., Gerlach, E.; EGU General Assembly 2009, Vienna; "Consistent modelling of the geodetic precession in Earth rotation".
• Gerlach, E., Klioner, S., Soffel, M.; VII Hotine-Marussi Symposium, Rome; "Consistent modelling of the geodetic precession in Earth rotation".
• S. Klioner, E. Gerlach, M. Soffel; CELMEC V, Viterbo; "Consistent relativistic theory of Earth rotation".
• Gerlach, E., Skokos, H.; CELMEC V, Viterbo; "Some aspects of the numerical integration of variational equations".

Referee for

• Applied Numerical Mathematics
• Artificial Satellites, Journal of Planetary Geodesy
• Celestial Mechanics and Dynamical Astronomy
• Communications in Nonlinear Science and Numerical Simulation
• International Journal of Bifurcation and Chaos