PhD Fellowship in Astrophysics
University of Copenhagen Niels Bohr Institute
Denmark

PhD fellowship in astrophysics, exoplanetary science Niels Bohr Institute, Faculty of Science University of Copenhagen, Denmark

The Niels Bohr Institute, Faculty of Science at University of Copenhagen is offering a PhD scholarship in the field of exoplanets. Application deadline is 3rd of February 2020 and start of fellowship is 1st of September 2020 or as soon as possible thereafter. The fellowship is part of the EU double degree network “CHAMELEON – virtual laboratories for Exoplanets and planet forming disks”. The specific PhD project concerns “Connecting the atmosphere and the interior in extrasolar gas planets” and will lead to a double degree with University of Copenhagen and University of Leuven.

Project description

The goal of this project is to connect the interior of exoplanets with observations of the atmosphere (i.e. spectra, colours etc), and compare results from 1D and 3D computations. The most well observed exoplanets today are hot jupiters so close to their host star that they most likely are tidally locked. In Leuven the student will gain experience in using 3D global circulation models (GCM) and apply them to tidally locked worlds with permanent cloudy night sides, comparing 3D atmospheric cooling rates with 1D interior model cooling rates, and study the wind jets in the 3D atmosphere (Carone et al. 2019 arXiv:1904.13334) and their role in inflating close-in planets (i.e. solving the hot jupiter radius anomaly). In Copenhagen the student will use the MARCS 1D stellar atmospheres code (Gustafsson et al 2008, A&A 486, 951), which has been thoroughly tested against observations for temperatures down to the coolest stars, and participate in developing it further for exoplanets and compare the results with the results from detailed 3D models.

Principal supervisor is Professor Uffe Gråe Jørgensen, Niels Bohr Institute, uffegj@nbi.dk, Direct Phone: (+45) 61 30 66 40.

Description of the scientific environment

The project benefit from being part of the Marie Sklodowska-Curie Innovative Training Network (ITN) “CHAMELEON -- Virtual Laboratories for Exoplanets and Planet Forming Disks”
(http://chameleon.wp.st-andrews.ac.uk/).  The ITN combines the expertise of eight European research institutes (Universities of St Andrews, Groningen, Copenhagen, Edinburgh, Leuven and Antwerp, the Max-Planck Institute in Heidelberg and the Netherlands Institute for Space Research) to cover all relevant aspects for this complex modelling task, joining the expertise in planetary atmospheres and protoplanetary disks, including observation and interpretation.  The network will consist of 15 Early Stage Researchers (PhD students) and the respective supervisors and local research groups. A description of all the 15 announced PhD fellowships of the network is listed at (http://chameleon.wp.st-andrews.ac.uk/recruitment/).

This project is a double-degree project between University of Copenhagen and University of Leuven (in Belgium). In Copenhagen, the student will be part of the active environment in the Niels Bohr Institute’s section for Astrophysics and Planetary Science, which covers aspects of exoplanet research, proto-planetary disk formation, formation of our solar system, meteorites and exploration of Mars. In Belgium, the student will be part of the University of Leuven’s Institute of Astronomy, which is a vibrant research group of some 70 scientists, engineers and administration staff (fys.kuleuven.be/ster), including 6 full-time and 3 part-time professors. The institute is an expertise centre in stellar physics and active in several international consortia and collaborations, involving telescopes at observatories worldwide and in space.

Job description

The position consist of a 3-year ITN PhD fellowship, starting with 1 year at the University of Leuven (under the supervision of Leen Decin and Ludmila Carone) followed by 2 years in Copenhagen (under the supervision of Uffe Gråe Jørgensen). The funding will be commensurate to the standard scale for PhD students in according to the Marie-Curie funding rules. The successful PhD applicant for this position will have to register at, and comply with the regulations of, the University of Copenhagen and the University of Leuven, and will obtain a double degree from the two universities. The successful applicant will follow a doctoral programme which beside the standard requirements listed below will include network activities in the Chameleon PhD double degree network, personal training in management, science communication, and teaching. In Copenhagen your key tasks as a PhD student are defined as: managing and carry through your research project, attend PhD courses, write scientific articles and your PhD thesis, teach and disseminate your research.

Formal requirements

We seek an excellent student with a strong background in physics or astrophysics.  Successful candidates must hold a Masters degree or equivalent by the starting date of the position.  Previous research experience on aspects of exoplanet- or stellar-atmospheres, analysis of astronomical spectra, experience with GCM or other advanced 3D atmospheric modelling, and a track record of team work/mobility will be important criteria for the selection, as will experience in computational coding (including Fortran). Note that the general eligibility and mobility rules of Marie Sklodowka-Curie Actions apply, e.g. that applicants must not have resided or carried out their main activity (work, studies, etc.) in the country of the main host institution (in this case Denmark) for more than 12 months during the 3 years immediately before the recruitment date.

Terms of employment

At University of Copenhagen as well as at University of Leuven, the funding will be commensurate to the standard scale and conditions for PhD students in according to the Marie-Curie funding rules.

Application Procedure

Your application package should contain (i) a CV including publication list if applicable, (ii) a statement of interest (max. one page, including a brief description of research interests and relevant experience), (iii) copies of university grades, certificates and/or diplomas, (iv) two letters of reference to be sent by the application deadline, (v) a statement that confirms that you understood the requirements of the joint degree and the Marie Sklodowska-Curie mobility criteria as outlined at https://chameleon.wp.st-andrews.ac.uk/recruitment/.

The University wishes our staff to reflect the diversity of society and thus welcomes applications from all qualified candidates regardless of personal background.

The application, in English, must be submitted electronically by clicking APPLY NOW below.

The deadline for applications is 3rd of February 2020 (at 23:59 GMT+2). Applications received thereafter may be considered until the position is filled.

After the expiry of the deadline for applications, the authorized recruitment manager selects applicants for assessment on the advice of the Interview Committee. Afterwards an assessment committee will be appointed to evaluate the selected applications. The applicants will be notified of the composition of the committee and the final selection of a successful candidate will be made by the Head of Department, based on the recommendations of the assessment committee and the interview committee, following the rules of the network.

The main criterion for selection will be the research potential of the applicant and the above mentioned skills. The successful candidate will then be requested to formally apply for enrolment as a PhD student at the PhD school of Science, University of Copenhagen and at the University of Leuvn. You can read more about the recruitment process at http://employment.ku.dk/faculty/recruitment-process/.

Questions

For specific information about the PhD scholarship, please contact the principal supervisor Professor Uffe Gråe Jørgensen, Niels Bohr Institute, uffegj@nbi.dk, Direct Phone: (+45) 61 30 66 40.

General information about PhD programmes at the faculty of science at University of Copenhagen is available at http://www.science.ku.dk/phd.

APPLY NOW

Part of the International Alliance of Research Universities (IARU), and among Europe’s top-ranking universities, the University of Copenhagen promotes research and teaching of the highest international standard. Rich in tradition and modern in outlook, the University gives students and staff the opportunity to cultivate their talent in an ambitious and informal environment. An effective organisation – with good working conditions and a collaborative work culture – creates the ideal framework for a successful academic career.

Info

Application deadline: 03-02-2020
Employment start: 01-09-2020
Working hours: Full time
Department/Location: Niels Bohr Institutet


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