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

2023

• Gaia Data Release 3: A golden sample of astrophysical parametersGaia Collaboration, Creevey, O. L., Sarro, L. M., Lobel, A., Pancino, E., Andrae, R., Smart, R. L. & 44 others, 16 Jun 2023, In: Astronomy and Astrophysics. 674, p. 1-34, 34 p., A39Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Gaia Data Release 3: Mapping the asymmetric disc of the Milky WayGaia Collaboration, Drimmel, R., Romero-Gomez, M., Chemin, L., Ramos, P., Poggio, E., Ripepi, V. & 44 others, 1 Jun 2023, In: Astronomy and Astrophysics. 674, p. 1-35, 35 p., A37Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Gaia Data Release 3: Exploring and mapping the diffuse interstellar band at 862 nmGaia Collaboration, Schultheis, M., Zhao, H., Zwitter, T., Marshall, D. J., Drimmel, R., Frémat, Y. & 44 others, 1 Jun 2023, In: Astronomy and Astrophysics. 674, p. 1-25, 25 p., A40Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Gaia Data Release 3: Chemical cartography of the Milky WayGaia Collaboration, Recio-Blanco, A., Kordopatis, G., De Laverny, P., Palicio, P. A., Spagna, A., Spina, L. & 44 others, 1 Jun 2023, In: Astronomy and Astrophysics. 674, p. 1-50, 50 p., A38Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Gaia Data Release 3: Summary of the content and survey propertiesGaia Collaboration, Vallenari, A., Brown, A. G., Prusti, T., deBruijne, J. H., Arenou, F., Babusiaux, C. & 44 others, 1 Jun 2023, In: Astronomy and Astrophysics. 674, A1Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Gaia Data Release 3: The extragalactic contentGaia Collaboration, Bailer-Jones, C. A. L., Teyssier, D., Delchambre, L., Ducourant, C., Garabato, D., Hatzidimitriou, D. & 44 others, Jun 2023, In: Astronomy & astrophysics. 674, A41Electronic (full-text) versionResearch output: Contribution to journal > Research article

2022

• Gaia Early Data Release 3: The celestial reference frame (Gaia-CRF3)Gaia Collaboration, Klioner, S. A., Lindegren, L., Mignard, F., Hernández, J., Ramos-Lerate, M., Bastian, U. & 44 others, 1 Nov 2022, In: Astronomy and Astrophysics. 667, A148Electronic (full-text) versionResearch output: Contribution to journal > Research article
• Frequency Map Analysis of Spatiotemporal Chaos in the Nonlinear Disordered Klein-Gordon LatticeSkokos, C., Gerlach, E. & Flach, S., 1 Apr 2022, In: International Journal of Bifurcation and Chaos. 32, 5, 2250074Electronic (full-text) versionResearch output: Contribution to journal > Research article

2021

• Erratum: Gaia Early Data Release 3: Summary of the contents and survey properties (Astronomy and Astrophysics DOI: 10.1051/0004-6361/202039657)Brown, A. G. A., Vallenari, A., Prusti, T., de Bruijne, J. H. J., Babusiaux, C., Creevey, O. L., Evans, D. W. & 412 others, 16 Jun 2021, In: Astronomy & astrophysics. Vol. 650. p. C3Electronic (full-text) versionResearch output: Contribution to specialist publication > Corrections (errata and retractions)
• Gaia Early Data Release 3: Parallax bias versus magnitude, colour, and positionLindegren, L., Bastian, U., Biermann, M., Bombrun, A., De Torres, A., Gerlach, E., Geyer, R. & 10 others, 1 May 2021, In: Astronomy & astrophysics. 649, A4Electronic (full-text) versionResearch output: Contribution to journal > Review 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