Doctoral Position in Astrophysics

vor 1 Tag

Köln, Deutschland Universität zu Köln Vollzeit

**Faculty of Mathematics and Natural Sciences**
**Doctoral position in Astrophysics (f/m/x)**
**Institute of Physics I | observational astronomy group of Prof Arshia M. Jacob**:

- Today, protostars can be classified into two chemically distinct classes, namely those exhibiting warm carbon chain chemistry (WCCC) leading to the formation of unsaturated carbon chains and those that form interstellar complex organic molecules (iCOMs) via hot corino chemistry. However, recent high-resolution observations have challenged this distinction, revealing that many protostars exhibit both types of chemistry, just at differing scales. Therefore, the universality of this 'hybrid’ nature is unclear. The sensitive nature of deuterium enrichment serves as a key indicator of the chemical diversity within these sources. This doctoral project will investigate the nature of WCCC vs. hot-corino chemistry using data collected from a variety of submm telescopes coupled with the state-of-theart chemical models.**YOUR TASKS**:
**To address the questions outlined above, you will be asked to**:

- determine the degree of deuteration in various molecular species that exhibit enrichment via both cold and warm deuteration pathways, across multiple protostars with diverse chemistries
- use these measurements to gain critical insight into the temperature structures and evolutionary stages of the protostellar sources
- assess whether cold deuterium chemistry is spatially coincident with regions in the protostellar envelopes where warm carbon-chain chemistry (WCCC) originates
- use these observations to identify and distinguish regions where WCCC and HC chemistries are actively manifesting
- combine observational data with detailed chemical modeling to:

- reconstruct the temporal evolution of deuteration,
- trace the chemical history of each protostellar system in the sample

You will work within the observational astronomy group of Prof Dr Arshia M. Jacob.

**YOUR PROFILE**

**Necessary requirements**:

- Strong background in physics and astronomy and relevant degree (Masters)
- Good proficiency in scientific coding with Python
- Good proficiency in scientific writing supported by previously written research articles/thesis etc.
- Fluency in English (spoken and written)
- Motivated to work as part of a large, international collaboration

**Other desirable criteria**:

- Experience with commonly-used software for submm/radio data analysis (in particular CASA and GILDAS)
- Experience working with single dish and interferometric datasetsPrevious research experience in the general areas of interstellar medium and star formation studies

**WE OFFER**:

- A state-of-the art research environment and vibrant team
- A diverse working environment with equal opportunities
- Support in balancing work and family life
- Flexible working time models
- Extensive advanced training opportunitiesOccupational health management offers
- The positions are available from 1 September 2025 on a parttime basis (26,29 hours per week). The position is to be filled for a fixed term until 31 August 2027. If the applicant meets the relevant wage requirements and personal qualifications, the salary will be based on remuneration group 13 TV-L of the pay scale for the German public sector.

  • Bioinformatics Doctoral Position

    Vor 5 Tagen

    Köln, Deutschland Universität zu Köln Vollzeit

    **Faculty of Mathematics and Natural Sciences** **Bioinformatics doctoral position (f/m/x) in the field of plant-microbe interactions** **Institute for Plant Sciences | Group Zuccaro**: - If you are passionate about bioinformatics and eager to contribute to understanding how the composition and activity of plant microbiota are co-determined by host...

  • Doctoral Research

    vor 1 Woche

    Köln, Nordrhein-Westfalen, Deutschland Universität zu Köln Vollzeit 41.500 € - 64.500 € pro Jahr

    Doctoral Research (f/m/x) Faculty of Management, Economics and Social Sciences Cologne Institute for Information Systems (CIIS)We are one of the largest and oldest universities in Europe and one of the most important employers in our region. Our broad range of subjects, the dynamic development of our main research areas and our central location in Cologne...

  • Doctoral Position

    Vor 5 Tagen

    Köln, Deutschland Universität zu Köln Vollzeit

    **Doctoral Position - East Central European History (f/m/x)** **Emmy-Noether-Group „Managing Development“** We are one of the largest and oldest universities in Europe and one of the most important employers in our region. **YOUR TASKS**: - Completion of a doctorsl thesis in the field of management and development during the Cold War with a case...

  • Doctoral Research

    vor 1 Woche

    Köln, Nordrhein-Westfalen, Deutschland Universität zu Köln Vollzeit 60.000 € - 80.000 € pro Jahr

    We are one of the largest and oldest universities in Europe and one of the most important employers in our region.Our broad range of subjects, the dynamic development of our main research areas and our central location in Colognemake us attractive for students and researchers from around the world. We offer a wide range of career opportunities inscience,...

  • Postdoc Position in Plant Proteomics

    Vor 7 Tagen

    Köln, Deutschland Universität zu Köln Vollzeit

    **Postdoc Position in Plant Proteomics (f/m/x)**: Institute for Plant Sciences Our research group for Plant Metabolic Biochemistry at the University of Cologne is part of the CEPLAS Cluster of Excellence on Plant Sciences (CEPLAS) and investigates plant amino acid metabolism. We are looking for a highly motivated Postdoc (f/m/x) to join our proteomics...

  • Doctoral Student

    Vor 7 Tagen

    Köln, Deutschland Universität zu Köln Vollzeit

    **Faculty of Management, Economics and Social Sciences** **Doctoral Student / Research Assistant in Behavioral Economics(f/m/x)** **Department Corporate Development**: - The Department of Coporate Development focuses in its research and teaching on the management, strategy and design of organizations. Central areas of the department are entrepreneurship,...

  • Postdoc position

    Vor 3 Tagen

    Köln, Nordrhein-Westfalen, Deutschland Universität zu Köln Vollzeit

    We are one of the largest and oldest universities in Europe and one of the most important employers in our region.Our broad range of subjects, the dynamic development of our main research areas and our central location in Colognemake us attractive for students and researchers from around the world. We offer a wide range of career opportunities inscience,...

  • Postdoctoral Research Position

    vor 2 Wochen

    Köln, Deutschland Universität zu Köln Vollzeit

    **Faculty of Mathematics and Natural Sciences** **Postdoctoral research position (f/m/x) on studies of icy moons in the outer solar system** **Institute of Geophysics and Meteorology**: **YOUR TASKS** - Perform and analyse numerical simulations of the space environment around icy moons - Analyse measurements obtained by spacecraft or telescopes - Use and...

  • Postdoc position on plant immunity in cereals

    Vor 4 Tagen

    Köln, Nordrhein-Westfalen, Deutschland Universität zu Köln Vollzeit

    We are one of the largest and oldest universities in Europe and one of the most important employers in our region.Our broad range of subjects, the dynamic development of our main research areas and our central location in Colognemake us attractive for students and researchers from around the world. We offer a wide range of career opportunities inscience,...

  • Professorship in Social and Organisational

    Vor 5 Tagen

    Köln, Deutschland Universität zu Köln Vollzeit

    **Faculty of Management, Economics and Social Sciences** **Professorship in Social and Organisational Psychology (W3) (f/m/d)**: The University of Cologne is one of the oldest and largest universities in Germany. With its six Faculties covering a broad spectrum of disciplines and its internationally outstanding research profile areas, it enjoys an excellent...