15/04/2021
The Human Resources Strategy for Researchers

Detection of Forming Planets with Integral Field Spectrographs

This job offer has expired


  • ORGANISATION/COMPANY
    CNRS
  • RESEARCH FIELD
    AstronomyAstrophysics
    AstronomyCosmology
  • RESEARCHER PROFILE
    First Stage Researcher (R1)
  • APPLICATION DEADLINE
    21/05/2021 23:59 - Europe/Brussels
  • LOCATION
    France › GRENOBLE
  • TYPE OF CONTRACT
    Temporary
  • JOB STATUS
    Full-time
  • HOURS PER WEEK
    35
  • OFFER STARTING DATE
    01/10/2021

OFFER DESCRIPTION

The student will be co-supervised by Mickaël BONNEFOY and Philippe DELORME at IPAG (Grenoble, France) and Ferréol SOULEZ at CRAL (Lyon, France). The student will work within the framework of the ANR project FRAME hosted at IPAG and coordinated by M. BONNEFOY. FRAME is focused on protoplanet detection and characterization. As such, He/She will be part of vibrant teams of researchers including astronomers expert in star formation and exoplanets and data scientists. She/He will also collaborate closely with experts in signal processing in the local area (Grenoble, Saint-Etienne, Lyon).

More than 4500 exoplanets have been discovered as of now, most of them being formed billions of years ago. The recent direct imaging detection of planets still in the process of formation [1] opens an unprecedented observing window of the initial stages of planetary systems (tens of millions of years ages).
This discovery was made possible thanks to the advances of efficient adaptive optics systems coupled to medium-resolution integral field spectrographs (IFS), producing hyperspectral data at high spatial and spectral resolutions. The data diversity can be used to remove the bright stellar halo and isolate the faint and sparse planetary signal. A large potential exists to improve the overall data processing strategy and boost our detection capabilities.

The student will lead the development, implementation (testing and validation), and deployment of novel algorithms for IFS data processing and increasing the detection of forming planets. The work will be split into three main items:
the student will adapt specific methods [2] to improve the quality of the pre-processing steps of our hyperspectral data and reduce the false positive rate;
He/She will propose and adapt algorithms for detecting sparse planetary signals in the optimally processed data (match filter, pattern recognition,...);
She/He will then massively apply these tools on existing and forthcoming data obtained at the Very Large Telescope (VLT; Chile) to detect new planets.
She/He will be given the opportunity to lead his/her own observing programs, and participate in the scientific preparation of the ongoing instruments VLT-SPHERE+ and ELT-HARMONI which will soon offer additional opportunities for detecting and characterizing such planets. The algorithms and discoveries will be published in reference papers and the codes publicly released.

[1] Haffert et al. 2019, Nature Astronomy, 3, 749
https://arxiv.org/pdf/1906.01486.pdf

[2] Berdeu et al. 2020, A&A, 635, 90
https://www.aanda.org/articles/aa/pdf/2020/03/aa36890-19.pdf

More Information

Additional comments

Profile
We are looking for a Master Student with a background in Data Science and strong interest in astrophysics. The student should show a proficiency for solving complex problems rigorously and for dealing with data and algorithms. She/He should have excellent writing skills in English (French is a plus) and be able to present her/his work. Teamwork skill is essential.

Requirements
Master Degree in Applied Mathematics, Signal Processing, Data Science
Knowledge of spectroscopy and imaging. Knowledge of hyperspectral imaging is appreciated.
Coding skills in Python. Knowledge of Julia and Matlab are a plus.
Writing skills in English

Web site for additional job details

Required Research Experiences

  • RESEARCH FIELD
    Astronomy
  • YEARS OF RESEARCH EXPERIENCE
    None
  • RESEARCH FIELD
    AstronomyAstrophysics
  • YEARS OF RESEARCH EXPERIENCE
    None
  • RESEARCH FIELD
    AstronomyCosmology
  • YEARS OF RESEARCH EXPERIENCE
    None

Offer Requirements

  • REQUIRED EDUCATION LEVEL
    Astronomy: Master Degree or equivalent
  • REQUIRED LANGUAGES
    FRENCH: Basic
Work location(s)
1 position(s) available at
Institut de planétologie et d'astrophysique de Grenoble
France
GRENOBLE

EURAXESS offer ID: 629693
Posting organisation offer ID: 20930

Disclaimer:

The responsibility for the jobs published on this website, including the job description, lies entirely with the publishing institutions. The application is handled uniquely by the employer, who is also fully responsible for the recruitment and selection processes.

 

Please contact support@euraxess.org if you wish to download all jobs in XML.